CN113381326B - Electrical engineering is with high-efficient heat dissipation electric appliance cabinet - Google Patents

Electrical engineering is with high-efficient heat dissipation electric appliance cabinet Download PDF

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Publication number
CN113381326B
CN113381326B CN202110758074.1A CN202110758074A CN113381326B CN 113381326 B CN113381326 B CN 113381326B CN 202110758074 A CN202110758074 A CN 202110758074A CN 113381326 B CN113381326 B CN 113381326B
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CN
China
Prior art keywords
gas exchange
pipe
exchange assembly
connecting pipe
heat dissipation
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CN202110758074.1A
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CN113381326A (en
Inventor
万志辉
黄浩
张文亮
熊欣
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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Publication of CN113381326A publication Critical patent/CN113381326A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306Accessories, e.g. windows
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein

Abstract

A high-efficiency heat-dissipation electric appliance cabinet for electrical engineering comprises a cabinet body, wherein a box body is arranged on the inner top wall of the cabinet body, a plurality of ventilation holes are uniformly formed in the bottom of the box body, gas exchange assemblies are inserted into the inner walls of two sides of the cabinet body, a square pipe is arranged inside the cabinet body and located between the two gas exchange assemblies, two ends of the top of each gas exchange assembly are respectively communicated with the side surface of the box body and the top of the square pipe, and a plurality of heat dissipation holes are uniformly formed in the inner side of the square pipe; the outer side wall of the gas exchange assembly is provided with a gas inlet pipe and a gas exhaust pipe, and the gas inlet pipe and the gas exhaust pipe are arranged at two ends of one side, away from the square pipe, of the gas exchange assembly. This design not only the radiating effect is good, and the radiating efficiency is high moreover.

Description

Electrical engineering is with high-efficient heat dissipation electric appliance cabinet
Technical Field
The invention relates to the technical field of electrical engineering, in particular to an efficient heat dissipation electric appliance cabinet for electrical engineering, which is mainly suitable for increasing the heat dissipation effect and improving the heat dissipation efficiency.
Background
With the continuous development of power distribution intellectualization, the requirements on the power cabinet are higher and higher, like a PLC control cabinet, a frequency conversion cabinet and the like, more and more precise components and power devices are used in the power cabinet, the more precise components have higher requirements on the use environment, particularly the temperature, and a large amount of heat can be released by high-power devices in the power cabinet when the high-power devices work, and the heat must be ensured to be timely dissipated, so that the service life and the use safety of the power devices can be damaged if the heat dissipation is poor.
The invention discloses a Chinese patent with an authorized publication number of CN112292005A and an authorized publication number of 2021, 01, 29, provides a wall-mounted electrical appliance cabinet convenient for heat dissipation, wherein the wall-mounted electrical appliance cabinet convenient for heat dissipation detects the temperature in the electrical appliance cabinet through a temperature sensor, so that the electrical appliance cabinet can be automatically cooled through an electric fan, but the following problems still exist: the heat dissipation inside the electric appliance cabinet is uneven and poor in heat dissipation effect; the heat dissipation efficiency of the electric appliance cabinet is low.
Disclosure of Invention
The invention aims to overcome the defects and problems of poor heat dissipation effect and low heat dissipation efficiency in the prior art, and provides an efficient heat dissipation electric appliance cabinet for electrical engineering, which is good in heat dissipation effect and high in heat dissipation efficiency.
In order to achieve the above purpose, the technical solution of the invention is as follows: an electrical cabinet with high-efficiency heat dissipation for electrical engineering comprises a cabinet body, wherein a box body is arranged on the inner top wall of the cabinet body, a plurality of ventilation holes are uniformly formed in the bottom of the box body, gas exchange assemblies are inserted into the inner walls of two sides of the cabinet body, a square pipe is arranged inside the cabinet body and is positioned between the two gas exchange assemblies, two ends of the top of each gas exchange assembly are respectively communicated with the side surface of the box body and the top of the square pipe, and a plurality of heat dissipation holes are uniformly formed in the inner side of the square pipe;
the gas exchange assembly is characterized in that the outer side wall of the gas exchange assembly is provided with a gas inlet pipe and a gas exhaust pipe, and the gas inlet pipe and the gas exhaust pipe are arranged at two ends of one side, away from the square pipe, of the gas exchange assembly.
The inside of the cabinet body is provided with electric telescopic handle, electric telescopic handle's one end and one side inner wall connection of the cabinet body, electric telescopic handle's the other end is connected with the lateral wall at the square tub of back.
Be provided with first connecting pipe and second connecting pipe on the gas exchange assembly lateral wall, all be provided with the check valve in intake pipe, blast pipe, first connecting pipe and the second connecting pipe, first connecting pipe and second connecting pipe set up respectively at the both ends at gas exchange assembly top, and the gas exchange assembly is linked together through first connecting pipe and box, and the gas exchange assembly is linked together through second connecting pipe and square pipe.
The both ends at square tub of top all are provided with the third connecting pipe, the left and right sides of box all is provided with the fourth connecting pipe, first connecting pipe is linked together through first hose with the fourth connecting pipe, the second connecting pipe is linked together through the second hose with the third connecting pipe.
The utility model discloses a gas exchange assembly, including gas exchange assembly, lead screw, guide bar, lead screw and guide bar, the gas exchange assembly is provided with the output and the lead screw end connection's driving motor, lead screw and lead screw nut threaded connection, the both ends of guide bar and gas exchange assembly's both sides inner wall connection, and the guide bar passes the piston board, be provided with the bearing of suit on the lead screw on the inner wall of gas exchange assembly, the piston board is located the position between intake pipe, the blast pipe, the center cartridge of piston board has screw-nut, be provided with lead screw and guide bar between the inner wall of gas exchange assembly both sides, lead screw and guide bar parallel arrangement, the one end of lead screw and gas exchange assembly's inner wall connection, the other end of lead screw runs through screw-nut, gas exchange assembly's inner wall rotation connection.
The gas exchange assembly is of a cuboid structure, the outer side of the piston plate is provided with a sealing strip, and the piston plate is attached to the periphery inner wall of the gas exchange assembly through the sealing strip.
The bottom of the gas exchange assembly is provided with a cover body, the side wall of the cover body is provided with a dust exhaust pipe, and the outer side of the dust exhaust pipe is provided with a valve.
Be provided with four dead levers between the inner wall of cabinet body front and back both sides, the dead lever is located square intraductal side's four corners position, be provided with T type groove on the surface of dead lever, sliding connection has T type slider in the T type groove, T type slider and square tub of fixed connection, four be provided with the electrical components mounting panel between the dead lever.
A filter screen is arranged in the air inlet pipe.
A use method of the high-efficiency heat dissipation electric appliance cabinet for the electrical engineering comprises an air inlet step and an air outlet step;
the air inlet step is as follows: by controlling the gas exchange assembly, hot air in the gas exchange assembly can be discharged from the exhaust pipe, so that negative pressure is formed, external cold air is sucked into the air inlet pipe, and then the cold air can enter the square pipe communicated with the gas exchange assembly and is discharged into the cabinet body through the heat radiation holes;
the air outlet step is as follows: the cold air discharged into the cabinet body absorbs heat in the cabinet and then turns into hot air, and through controlling the gas exchange assembly, external cold air can enter the gas exchange assembly through the air inlet pipe to form negative pressure, and the hot air can be sucked into the box body through the air vent, and then the hot air can be sucked into the gas exchange assembly communicated with the box body and discharged through the air exhaust pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. when the efficient heat dissipation electric appliance cabinet for electrical engineering is used, the gas exchange assembly, the box body and the square pipes form air pressure difference, so that external cold air enters the electric appliance cabinet, hot air in the electric appliance cabinet can be discharged, a heat dissipation effect is achieved, the square pipes are located around components in the electric appliance cabinet, all parts in the cabinet body can be dissipated, the effect of uniform heat dissipation is achieved, the problem that part of the components are stable and high due to nonuniform heat dissipation is avoided, the service life of the components is prolonged, heat exchange can be conducted more quickly, the heat dissipation efficiency is improved, the problem of overhigh temperature in the cabinet is avoided, and the efficient heat dissipation electric appliance cabinet is suitable for popularization and use. Therefore, the invention has good heat dissipation effect and high heat dissipation efficiency.
2. The efficient heat dissipation electric appliance cabinet for electrical engineering is provided with the electric telescopic rod, when the electric telescopic rod is used, the square pipe can be pushed by the electric telescopic rod to reciprocate, cold air blown out of the square pipe can be more uniformly dispersed in the electric appliance cabinet, the effect of more uniform heat dissipation is achieved, the heat dissipation effect is further improved, damage caused by overhigh temperature of components is avoided, meanwhile, the air inlet pipe, the air outlet pipe, the first connecting pipe and the second connecting pipe are all internally provided with the one-way valves, so that air pressure difference is easy to form, hot air of a gas exchange assembly is prevented from entering the square pipe again, the damage is not easy to occur, the later maintenance cost is lower, and the electric telescopic rod is convenient to popularize and use. Therefore, the invention has the advantages of uniform heat dissipation and low maintenance cost.
3. When the high-efficiency heat-dissipation electric appliance cabinet for electrical engineering is used, the screw rod is driven to rotate by the driving motor, the driving motor can drive the piston plate to move back and forth on the guide rod under the action of the screw rod nut so as to be matched with the one-way valve, the first hose is used for discharging air, the second hose is used for introducing air, when the piston plate moves to one side, the air in the gas exchange assembly enters the square pipe through the second hose, and hot air in the box body is sucked into the gas exchange assembly through the first hose; when the piston board removed to the opposite side, the hot-air passed through the blast pipe and was discharged, and the intake pipe admits air simultaneously, and then reached gas exchange's effect, simple structure, stability is good, and through the setting of filter screen on the intake pipe air inlet, the dust that dopes in the external air can effectually be filtered, and then can effectually prevent in a large amount of entering electrical apparatus cabinets of external dust, play dirt-proof effect. Therefore, the invention has good stability and dust resistance.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the square tube of fig. 1.
FIG. 3 is a right side view of the gas exchange assembly of FIG. 1.
Fig. 4 is a right side view of the present invention.
Fig. 5 is a schematic view of the structure of the intake pipe of the present invention.
FIG. 6 is a schematic view of the structure of the exhaust pipe of the present invention.
Fig. 7 is a schematic structural view of a first connection pipe of the present invention.
Fig. 8 is a schematic structural view of a second connection pipe according to the present invention.
Fig. 9 is a schematic structural view of the cover of the present invention.
In the figure: the cabinet body 1, the cabinet body 2, the vent hole 3, the gas exchange assembly 4, the air inlet pipe 41, the exhaust pipe 42, the first connecting pipe 43, the second connecting pipe 44, the piston plate 45, the screw nut 46, the screw 47, the guide rod 48, the driving motor 49, the bearing 410, the sealing strip 411, the cover body 412, the dust exhaust pipe 413, the valve 414, the filter screen 415, the square pipe 5, the fixing rod 51, the T-shaped groove 52, the T-shaped sliding block 53, the electrical component mounting plate 54, the heat dissipation hole 6, the electric telescopic rod 7, the third connecting pipe 8, the fourth connecting pipe 9, the first hose 10, the second hose 11 and the check valve 12.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 9, an efficient heat dissipation electric appliance cabinet for electrical engineering comprises a cabinet body 1, wherein a cabinet body 2 is arranged on the inner top wall of the cabinet body 1, a plurality of vent holes 3 are uniformly formed in the bottom of the cabinet body 2, gas exchange assemblies 4 are inserted into the inner walls of two sides of the cabinet body 1, a square pipe 5 is arranged inside the cabinet body 1, the square pipe 5 is positioned between the two gas exchange assemblies 4, two ends of the top of each gas exchange assembly 4 are respectively communicated with the side surface of the cabinet body 2 and the top of the square pipe 5, and a plurality of heat dissipation holes 6 are uniformly formed in the inner side of the square pipe 5;
the outer side wall of the gas exchange component 4 is provided with a gas inlet pipe 41 and a gas outlet pipe 42, and the gas inlet pipe 41 and the gas outlet pipe 42 are arranged at two ends of one side of the gas exchange component 4 far away from the square pipe 5.
The inside of the cabinet body 1 is provided with electric telescopic handle 7, one end of electric telescopic handle 7 and one side inner wall connection of the cabinet body 1, the other end of electric telescopic handle 7 is connected with the lateral wall at the back of square pipe 5.
Be provided with first connecting pipe 43 and second connecting pipe 44 on the gas exchange assembly 4 lateral wall, all be provided with check valve 12 in intake pipe 41, blast pipe 42, first connecting pipe 43 and the second connecting pipe 44, first connecting pipe 43 and second connecting pipe 44 set up the both ends at gas exchange assembly 4 top respectively, and gas exchange assembly 4 is linked together through first connecting pipe 43 and box 2, and gas exchange assembly 4 is linked together through second connecting pipe 44 and square pipe 5.
The both ends at square pipe 5 top all are provided with third connecting pipe 8, the left and right sides of box 2 all is provided with fourth connecting pipe 9, first connecting pipe 43 is linked together through first hose 10 with fourth connecting pipe 9, second connecting pipe 44 is linked together through second hose 11 with third connecting pipe 8.
Sliding connection has piston plate 45 in the gas exchange subassembly 4, piston plate 45 is located the position between intake pipe 41, the blast pipe 42, the center department cartridge of piston plate 45 has screw-nut 46, be provided with lead screw 47 and guide bar 48 between the inner wall at gas exchange subassembly 4 both sides, lead screw 47 and guide bar 48 parallel arrangement, the one end of lead screw 47 and the interior wall connection of gas exchange subassembly 4, the other end of lead screw 47 runs through screw-nut 46, gas exchange subassembly 4 in proper order and extends to its outside, the outside of gas exchange subassembly 4 is provided with output and the driving motor 49 of lead screw 47 end connection, lead screw 47 and screw-nut 46 threaded connection, the both ends of guide bar 48 and the both sides inner wall connection of gas exchange subassembly 4, and guide bar 48 passes piston plate 45, be provided with the bearing 410 of suit on screw-nut 47 on the inner wall of gas exchange subassembly 4, lead screw 47 rotates through the inner wall of bearing 410 with gas exchange subassembly 4 and is connected.
The gas exchange assembly 4 is a cuboid structure, the outer side of the piston plate is provided with a sealing strip 411, and the piston plate 45 is attached to the inner wall of the periphery of the gas exchange assembly 4 through the sealing strip 411.
The bottom of the gas exchange component 4 is provided with a cover 412, the side wall of the cover is provided with a dust exhaust pipe 413, and the outer side of the dust exhaust pipe 413 is provided with a valve 414.
Be provided with four dead levers 51 between the inner wall of both sides around the cabinet body 1, dead lever 51 is located square 5 inboard four corners position, be provided with T type groove 52 on the surface of dead lever 51, sliding connection has T type slider 53 in T type groove 52, T type slider 53 and square 5 fixed connection of pipes, four be provided with electrical components mounting panel 54 between the dead lever 51.
A filter screen 415 is arranged in the air inlet pipe 41.
Electric telescopic handle 7 is connected with external power supply through the wire with driving motor 49, electric telescopic handle 7 is the electric putter of BXTL model, driving motor 49 is the step motor of 86BYGH350D model.
A use method of the high-efficiency heat dissipation electric appliance cabinet for the electrical engineering comprises an air inlet step and an air outlet step;
the air inlet step is as follows: by controlling the gas exchange assembly 4, the hot air in the gas exchange assembly 4 can be discharged from the exhaust pipe 42, so as to form negative pressure, so that the outside cold air is sucked into the air inlet pipe 41, and then the cold air can enter the square pipe 5 communicated with the gas exchange assembly 4 and is discharged into the cabinet body 1 through the heat dissipation holes 6;
the air outlet step is as follows: the cold air that discharges in the cabinet body 1 absorbs the heat in the cabinet and turns into the hot-air after, through control gas exchange assembly 4, during the outside cold-air can enter into gas exchange assembly 4 through intake pipe 41, forms the negative pressure, and the hot-air can be inhaled through ventilation hole 3 in box 2, then the hot-air can be inhaled in the gas exchange assembly with box 2 intercommunication to discharge through blast pipe 42.
The principle of the invention is illustrated as follows:
this design is mainly through mutually supporting between gas exchange assembly 4, box 2 and the square 5 three of pipe, reaches the even effect of heat dissipation, improves the radiating efficiency simultaneously.
When the air-conditioner is used, an electrical element is arranged on the electrical element mounting plate 54, when the electrical element in the electrical cabinet runs, the driving motor 49 and the electric telescopic rod 7 are respectively started, when the driving motor 49 runs, the piston plate 45 can be driven by the lead screw 47 and the lead screw nut 46 to slide back and forth in the gas exchange component 4, due to the arrangement of the one-way valve 12, in the process that the piston plate 45 slides back and forth, outside air is sucked into the gas exchange component 4 through the air inlet pipe 41, then the sucked outside air is discharged into the square pipe 5 through the second connecting pipe 44 and the second hose 11, and the air entering the square pipe 5 is blown into the electrical cabinet through the plurality of heat dissipation holes 6 uniformly formed in the inner side of the square pipe 5, so that the high temperature in the electrical cabinet can be effectively reduced;
meanwhile, in the process that the piston plate 45 slides back and forth, the sultry air in the electric appliance cabinet sequentially passes through the vent hole 3, the fourth connecting pipe 9, the first hose 10, the first connecting pipe 43 on the box body 2 and is sucked into the gas exchange assembly 4, then the sucked sultry air is discharged to the outside through the exhaust pipe 42, and then the effect of continuously replacing the air in the electric appliance cabinet can be realized along with the back and forth sliding of the piston plate 45, so that the effect that the air in the electric appliance cabinet is always kept in a low-temperature state is achieved, and the heat dissipation purpose is effectively realized;
when the electric telescopic rod 7 runs, the telescopic end of the electric telescopic rod can synchronously drive the square pipe 5 to move back and forth on the four fixing rods 51 in the front-back direction, so that wind blown out from the heat dissipation holes 6 in the square pipe 5 can be uniformly distributed in the electric appliance cabinet, and the heat dissipation effect of the electric appliance cabinet is further improved;
simultaneously through the setting of filter screen 415 on the intake pipe air inlet, the dust of adulteration in the air of can effectual filtration external world, and then can effectually prevent in a large amount of entering electrical apparatus cabinets of external dust, along with long-time use, the dust of the fine granule that filter screen 415 can not filter can be more or less stayed in gas exchange assembly 4, and along with piston plate 45 makes a round trip to slide, these dusts can be pushed in infundibulate cover body 412, when clearing up the dust in the gas exchange assembly 4 like this, open the valve and can pass through dust exhaust pipe 413 discharge to the dust in the gas exchange assembly 4, and then the effectual purpose of having reached the interior dust of convenient clearance gas exchange assembly 4.
Example 1:
referring to fig. 1 to 9, an electrical cabinet with high efficiency heat dissipation for electrical engineering comprises a cabinet body 1, wherein a cabinet body 2 is arranged on the inner top wall of the cabinet body 1, a plurality of vent holes 3 are uniformly arranged at the bottom of the cabinet body 2, gas exchange assemblies 4 are inserted on the inner walls of two sides of the cabinet body 1, a square pipe 5 is arranged inside the cabinet body 1, the square pipe 5 is positioned between the two gas exchange assemblies 4, two ends of the top of the gas exchange assemblies 4 are respectively communicated with the side surface of the cabinet body 2 and the top of the square pipe 5, and a plurality of heat dissipation holes 6 are uniformly arranged on the inner side of the square pipe 5; the outer side wall of the gas exchange component 4 is provided with a gas inlet pipe 41 and a gas outlet pipe 42, and the gas inlet pipe 41 and the gas outlet pipe 42 are arranged at two ends of one side of the gas exchange component 4 far away from the square pipe 5.
A use method of the high-efficiency heat dissipation electric appliance cabinet for the electrical engineering comprises an air inlet step and an air outlet step;
the air inlet step is as follows: by controlling the gas exchange assembly 4, the hot air in the gas exchange assembly 4 can be discharged from the exhaust pipe 42, so as to form negative pressure, so that the outside cold air is sucked into the air inlet pipe 41, and then the cold air can enter the square pipe 5 communicated with the gas exchange assembly 4 and is discharged into the cabinet body 1 through the heat dissipation holes 6;
the air outlet step is as follows: the cold air that discharges in the cabinet body 1 absorbs the heat in the cabinet and turns into the hot-air after, through control gas exchange assembly 4, during the outside cold-air can enter into gas exchange assembly 4 through intake pipe 41, forms the negative pressure, and the hot-air can be inhaled through ventilation hole 3 in box 2, then the hot-air can be inhaled in the gas exchange assembly with box 2 intercommunication to discharge through blast pipe 42.
Example 2:
the basic contents are the same as example 1, except that:
referring to fig. 1 to 9, an electric telescopic rod 7 is arranged inside the cabinet body 1, one end of the electric telescopic rod 7 is connected with the inner wall of one side of the cabinet body 1, and the other end of the electric telescopic rod 7 is connected with the outer side wall of the back of the square tube 5; the outer side wall of the gas exchange component 4 is provided with a first connecting pipe 43 and a second connecting pipe 44, the air inlet pipe 41, the exhaust pipe 42, the first connecting pipe 43 and the second connecting pipe 44 are all internally provided with one-way valves 12, the first connecting pipe 43 and the second connecting pipe 44 are respectively arranged at two ends of the top of the gas exchange component 4, the gas exchange component 4 is communicated with the box body 2 through the first connecting pipe 43, and the gas exchange component 4 is communicated with the square pipe 5 through the second connecting pipe 44; the two ends of the top of the square pipe 5 are respectively provided with a third connecting pipe 8, the left side and the right side of the box body 2 are respectively provided with a fourth connecting pipe 9, the first connecting pipe 43 is communicated with the fourth connecting pipe 9 through a first hose 10, and the second connecting pipe 44 is communicated with the third connecting pipe 8 through a second hose 11; a piston plate 45 is connected in the gas exchange assembly 4 in a sliding manner, the piston plate 45 is located between the gas inlet pipe 41 and the gas outlet pipe 42, a screw rod nut 46 is inserted into the center of the piston plate 45, a screw rod 47 and a guide rod 48 are arranged between the inner walls of the two sides of the gas exchange assembly 4, the screw rod 47 and the guide rod 48 are arranged in parallel, one end of the screw rod 47 is connected with the inner wall of the gas exchange assembly 4, the other end of the screw rod 47 sequentially penetrates through the screw rod nut 46 and the gas exchange assembly 4 and extends to the outside of the gas exchange assembly 4, a driving motor 49 with an output end connected with the end of the screw rod 47 is arranged outside the gas exchange assembly 4, the screw rod 47 is in threaded connection with the screw rod nut 46, the two ends of the guide rod 48 are connected with the inner walls of the two sides of the gas exchange assembly 4, the guide rod 48 penetrates through the piston plate 45, a bearing 410 sleeved on the inner wall of the screw rod 47 is arranged on the inner wall of the gas exchange assembly 4, and the screw rod 47 is rotatably connected with the inner wall of the gas exchange assembly 4 through the bearing 410; the gas exchange assembly 4 is of a cuboid structure, a sealing strip 411 is arranged on the outer side of the piston plate, and the piston plate 45 is attached to the inner wall of the periphery of the gas exchange assembly 4 through the sealing strip 411; a cover body 412 is arranged at the bottom of the gas exchange component 4, a dust exhaust pipe 413 is arranged on the side wall of the cover body, and a valve 414 is arranged outside the dust exhaust pipe 413.
Example 3:
the basic contents are the same as example 1, except that:
referring to fig. 1 to 9, four fixing rods 51 are arranged between the inner walls of the front and rear sides of the cabinet 1, the fixing rods 51 are located at four corners of the inner side of the square tube 5, a T-shaped groove 52 is arranged on the outer surface of the fixing rods 51, a T-shaped slider 53 is slidably connected in the T-shaped groove 52, the T-shaped slider 53 is fixedly connected with the square tube 5, an electrical component mounting plate 54 is arranged between the four fixing rods 51, and a filter screen 415 is arranged in the air inlet tube 41.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.

Claims (6)

1. The utility model provides an electrical engineering is with high-efficient heat dissipation electric appliance cabinet, includes cabinet body 1, its characterized in that: the cabinet is characterized in that a box body (2) is arranged on the inner top wall of the cabinet body (1), a plurality of vent holes (3) are uniformly formed in the bottom of the box body (2), gas exchange assemblies (4) are inserted into the inner walls of the two sides of the cabinet body (1), a square pipe (5) is arranged inside the cabinet body (1), the square pipe (5) is positioned between the two gas exchange assemblies (4), the two ends of the top of each gas exchange assembly (4) are respectively communicated with the side surface of the box body (2) and the top of the square pipe (5), and a plurality of heat dissipation holes (6) are uniformly formed in the inner side of the square pipe (5);
the outer side wall of the gas exchange component (4) is provided with a gas inlet pipe (41) and a gas outlet pipe (42), and the gas inlet pipe (41) and the gas outlet pipe (42) are arranged at two ends of one side of the gas exchange component (4) far away from the square pipe (5);
an electric telescopic rod (7) is arranged inside the cabinet body (1), one end of the electric telescopic rod (7) is connected with the inner wall of one side of the cabinet body (1), and the other end of the electric telescopic rod (7) is connected with the outer side wall of the back face of the square pipe (5);
the outer side wall of the gas exchange component (4) is provided with a first connecting pipe (43) and a second connecting pipe (44), the air inlet pipe (41), the air outlet pipe (42), the first connecting pipe (43) and the second connecting pipe (44) are internally provided with one-way valves (12), the first connecting pipe (43) and the second connecting pipe (44) are respectively arranged at two ends of the top of the gas exchange component (4), the gas exchange component (4) is communicated with the box body (2) through the first connecting pipe (43), and the gas exchange component (4) is communicated with the square pipe (5) through the second connecting pipe (44);
the gas exchange assembly (4) is connected with a piston plate (45) in a sliding mode, the piston plate (45) is located between a gas inlet pipe (41) and a gas outlet pipe (42), a screw rod nut (46) is inserted in the center of the piston plate (45), a screw rod (47) and a guide rod (48) are arranged between the inner walls of the two sides of the gas exchange assembly (4), the screw rod (47) and the guide rod (48) are arranged in parallel, one end of the screw rod (47) is connected with the inner wall of the gas exchange assembly (4), the other end of the screw rod (47) sequentially penetrates through the screw rod nut (46) and the gas exchange assembly (4) and extends to the outside of the screw rod, a driving motor (49) with an output end connected with the end of the screw rod (47) is arranged outside the gas exchange assembly (4), the screw rod (47) is in threaded connection with the screw rod nut (46), the two ends of the guide rod (48) are connected with the inner walls of the two sides of the gas exchange assembly (4), the guide rod (48) penetrates through the piston plate (45), a bearing (47) is arranged on the inner wall of the gas exchange assembly (4), and the gas exchange assembly (410) is connected with the inner wall through a rotating bearing (410);
the gas exchange assembly (4) is of a cuboid structure, the outer side of the piston plate is provided with a sealing strip (411), and the piston plate (45) is attached to the periphery inner wall of the gas exchange assembly (4) through the sealing strip (411).
2. The high-efficiency heat dissipation electric appliance cabinet for electrical engineering as claimed in claim 1, wherein: the both ends at square pipe (5) top all are provided with third connecting pipe (8), the left and right sides of box (2) all is provided with fourth connecting pipe (9), first connecting pipe (43) are linked together through first hose (10) with fourth connecting pipe (9), second connecting pipe (44) are linked together through second hose (11) with third connecting pipe (8).
3. The high-efficiency heat dissipation electric appliance cabinet for electrical engineering according to claim 1, characterized in that: the bottom of gas exchange assembly (4) is provided with cover body (412), be provided with dust exhaust pipe (413) on the lateral wall of cover body, the outside of dust exhaust pipe (413) is provided with valve (414).
4. The high-efficiency heat dissipation electric appliance cabinet for electrical engineering according to claim 1, characterized in that: be provided with four dead levers (51) between the inner wall of both sides around the cabinet body (1), dead lever (51) are located square pipe (5) inboard four corners position, be provided with T type groove (52) on the surface of dead lever (51), sliding connection has T type slider (53) in T type groove (52), T type slider (53) and square pipe (5) fixed connection, four be provided with electrical components mounting panel (54) between dead lever (51).
5. The high-efficiency heat dissipation electric appliance cabinet for electrical engineering according to claim 1, characterized in that: a filter screen (415) is arranged in the air inlet pipe (41).
6. The use method of the high-efficiency heat dissipation electric appliance cabinet for electrical engineering as claimed in claim 1, is characterized in that: the using method comprises a gas inlet step and a gas outlet step;
the air inlet step is as follows: by controlling the gas exchange assembly (4), hot air in the gas exchange assembly (4) can be discharged from the exhaust pipe (42), so that negative pressure is formed, external cold air is sucked into the air inlet pipe (41), then the cold air can enter the square pipe (5) communicated with the gas exchange assembly (4), and is discharged into the cabinet body (1) through the heat dissipation holes (6);
the air outlet step is as follows: the cold air that discharges in the cabinet body (1) absorbs the heat in the cabinet and turns into the hot-air after, through control gas exchange assembly (4), during the outside cold air can enter into gas exchange assembly (4) through intake pipe (41), forms the negative pressure, the hot-air can be inhaled box (2) through ventilation hole (3) in, then the hot-air can be inhaled in the gas exchange assembly who communicates with box (2) to discharge through blast pipe (42).
CN202110758074.1A 2021-07-05 2021-07-05 Electrical engineering is with high-efficient heat dissipation electric appliance cabinet Active CN113381326B (en)

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CN116214897B (en) * 2023-05-05 2023-07-04 河北顺翔包装印刷有限公司 Plastic uptake former is used in tray production

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CN209434615U (en) * 2019-02-27 2019-09-24 新乡市中誉鼎力软件科技股份有限公司 One kind being convenient for clean power distribution cabinet
CN210806500U (en) * 2019-11-22 2020-06-19 商洛学院 High-voltage power distribution cabinet with internal circulation heat exchange function
CN112333938A (en) * 2020-10-16 2021-02-05 李庆花 Temperature-controllable and wire aging-preventing electrical cabinet

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WO2011117093A1 (en) * 2010-03-25 2011-09-29 Rittal Gmbh & Co. Kg Power supply system
CN106129860A (en) * 2016-08-26 2016-11-16 张振堂 A kind of rural area low-tension distribution box
CN109963419A (en) * 2017-12-26 2019-07-02 天津漫梦科技有限公司 A kind of novel computer equipment cabinet
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CN112333938A (en) * 2020-10-16 2021-02-05 李庆花 Temperature-controllable and wire aging-preventing electrical cabinet

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