CN116247547B - Power distribution cabinet capable of improving internal heat dissipation efficiency - Google Patents
Power distribution cabinet capable of improving internal heat dissipation efficiency Download PDFInfo
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- CN116247547B CN116247547B CN202310530107.6A CN202310530107A CN116247547B CN 116247547 B CN116247547 B CN 116247547B CN 202310530107 A CN202310530107 A CN 202310530107A CN 116247547 B CN116247547 B CN 116247547B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets and discloses a power distribution cabinet capable of improving internal heat dissipation efficiency, which comprises a cabinet door and a cabinet body, wherein the front surface of the cabinet body is rotationally connected with the cabinet door through a hinge, a plurality of heat dissipation openings are formed in the bottom of the front surface of the cabinet body, and a high-efficiency heat dissipation assembly is further arranged on the cabinet body; the efficient heat dissipation assembly comprises a first throttle valve, a reversing valve, a first condenser, a first compressor and an evaporator, wherein the first throttle valve, the reversing valve, the first condenser, the first compressor and the evaporator are connected through a pipeline. In the using process, the heat dissipation device can efficiently dissipate heat in the power distribution cabinet no matter the external load is increased or reduced. And can carry out dynamic adjustment to the heat dissipation according to the inside heat accumulation condition of switch board, when can carrying out high-efficient timely heat dissipation to the switch board, also can avoid the waste of resource.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet capable of improving internal heat dissipation efficiency.
Background
The distribution cabinet (box) transfer power distribution cabinet (box) and the illumination distribution cabinet (box) and the metering cabinet (box) are the final-stage equipment of the distribution system. A large number of electrical components and wires are distributed in the power distribution cabinet, when current passes through the electrical components and the wires, the electrical components and the wires generate heat, so that the heat is accumulated in the power distribution cabinet, the situation that the temperature in the power distribution cabinet is too high to affect the normal operation of the internal electrical components is avoided, a heat dissipation opening is generally formed in the cabinet body of the power distribution cabinet, the heat in the power distribution cabinet is dissipated through the heat dissipation opening, and the situation that the temperature in the power distribution cabinet is too high is avoided.
However, when external load is too big, the electric current through in electrical component and the wire grow this moment to can make the heat grow that electrical component and wire produced, only can't be timely dispel the heat of piling up in the switch board through the thermovent, and then lead to radiating efficiency to reduce, the inside temperature of switch board risees fast, influences the inside life of electrical component and wire of switch board and the condition of its work.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a power distribution cabinet capable of improving internal heat dissipation efficiency, and solves the problems that when internal heat of the existing power distribution cabinet is increased, the internal heat cannot be efficiently dissipated, so that the internal temperature of the power distribution cabinet is increased, and the service life and the work of internal electric parts are influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the power distribution cabinet comprises a cabinet door and a cabinet body, wherein the front surface of the cabinet body is rotationally connected with the cabinet door through a hinge, a plurality of heat dissipation openings are formed in the bottom of the front surface of the cabinet body, and a high-efficiency heat dissipation assembly is further arranged on the cabinet body;
the efficient heat dissipation assembly comprises a first throttle valve, a reversing valve, a first condenser, a first compressor and an evaporator, wherein the first throttle valve, the reversing valve, the first condenser, the first compressor and the evaporator are connected through a pipeline, an actuating mechanism is fixed on the front surface of the reversing valve, a driving shaft is rotatably connected to the inside of the actuating mechanism, a driving gear is fixed on the outer side wall of the driving shaft, the rear end of the driving shaft extends to the inside of the reversing valve and is fixedly provided with a valve plate, an input port and a first output port are respectively fixed at the left end and the right end of the reversing valve, the top end of the reversing valve is fixedly provided with a second output port, a temperature sensing tank is arranged below the reversing valve, kerosene is filled in the temperature sensing tank, a first pipe body is fixed at the top of the temperature sensing tank, a floating block is arranged in the first pipe body, a rack is fixed at the top of the floating block, and the top of the rack extends to the inside of the actuating mechanism and is meshed with the driving gear;
the efficient heat dissipation assembly further comprises a second throttle valve, a liquid storage tank, a second condenser, a second compressor and an evaporation condenser, wherein the second throttle valve, the liquid storage tank, the second condenser, the second compressor, the evaporation condenser and the reversing valve are connected through a pipeline, a shell is jointly fixed on the right side of the first compressor and the right side of the second compressor, a motor is fixed on the bottom of the right side of the shell, an output shaft of the motor is fixedly connected with the driving end of the first compressor, a first bevel gear is fixed on the outer wall of the output shaft of the motor, a spline shaft is connected to the inner portion of the shell in a rotating mode, a second bevel gear is fixed at the bottom end of the spline shaft, the second bevel gear is meshed with the first bevel gear, a first transmission gear is movably connected to the outer side wall of the spline shaft, a second transmission gear is fixed on the outer wall of a driving shaft of the second compressor, an L-shaped tube is fixed on the left side of the shell, a first piston and a second piston are movably connected to the inner side of the L-shaped tube, a temperature sensing bevel gear is fixed on the top of the second piston and the second piston is in contact with the top of the L-shaped heat dissipation assembly, and the temperature sensing tube is fixed on the top of the L-shaped heat dissipation assembly.
When the external load is not large and the heat generated by the electric parts and the wires is not much, the heat in the power distribution cabinet can be dissipated through the heat dissipation port; when external load increases, the heat that electrical components and wire produced increases, lead to the inside heat accumulation of switch board too much, when the thermovent can't be timely effectual with heat to heat out, start the motor at this moment and drive first compressor operation, thereby can inhale the refrigerant, and compress the refrigerant into high temperature high pressure's steam, then become high temperature high pressure's liquid with the refrigerant through first condenser, then enter into first choke valve through the switching-over valve, and become low temperature low pressure's liquid through first choke valve, then enter into the evaporimeter and evaporate, thereby can take away the heat of piling up in the cabinet body, thereby can effectually dispel the heat to the switch board.
When external load is further increased, the heat accumulated in the power distribution cabinet is further increased, kerosene in the temperature sensing tank is heated and expanded, the expanded kerosene can jack up the floating block and the rack upwards and drive the driving gear to rotate, so that the valve plate in the reversing valve rotates anticlockwise, at the moment, the input port is communicated with the second output port, the vertical rod moves upwards and pushes the first transmission gear to be meshed with the second transmission gear, the second compressor can also absorb the upper refrigerant along with the operation of the motor, the upper refrigerant is changed into high-temperature and high-pressure steam, the high-temperature and high-pressure liquid is changed into the high-temperature and high-pressure liquid through the second condenser, then the low-temperature and low-pressure liquid is changed into the tube of the evaporation condenser through the second throttle valve, the refrigerant below is sucked into the tube of the evaporation condenser through the reversing valve, the refrigerant above evaporates in the tube of the evaporation condenser and absorbs the heat of the refrigerant below the tube, the lower refrigerant is further condensed, the refrigerant is then more effectively cooled into the low-temperature and is more evaporated, and the heat is further absorbed into the evaporation cabinet, and the heat is further absorbed into the low-temperature and the heat dissipation cabinet.
Preferably, the back surface of the cabinet body is fixed with an auxiliary cabinet body, the first throttle valve, the reversing valve, the first condenser, the first compressor, the second throttle valve, the liquid storage tank, the second condenser, the second compressor and the evaporation condenser are all installed and fixed in the interior of the auxiliary cabinet body, and the evaporator is installed and fixed in the interior rear portion of the cabinet body. The evaporator is convenient to radiate heat in the power distribution cabinet.
Preferably, the top of montant inlays and is equipped with the ball, the ball with montant roll connection, just the outer wall of ball with the bottom of first drive gear is laminated mutually. Friction force between the vertical rod and the first transmission gear is reduced.
Preferably, a sealing ring is fixed at the joint of the driving shaft and the reversing valve. The refrigerant is prevented from entering the actuating mechanism through a gap between the driving shaft and the reversing valve.
Preferably, the outer wall of the floating block is attached to the inner wall of the first pipe body, and kerosene is filled in the first pipe body below the floating block; the outer wall of the first piston and the outer wall of the second piston are attached to the inner wall of the L-shaped pipe, and kerosene is filled in the second pipe body and between the second pipe body and the first piston.
Preferably, the cabinet is characterized in that a cover body is further arranged at the inner rear portion of the cabinet body, two connecting pipes are fixed at the front end of the cover body, radiating plates are fixed at two sides of the inner portion of the cabinet body, two connecting pipes are away from one end of the cover body and two rear side bottom portions of the radiating plates are fixedly connected respectively, two radiating channels are formed in the inner portion of the radiating plate and are communicated through connecting channels, an air outlet is fixed at one side of the radiating plate, one end of the air outlet, away from the radiating plate, extends to the outer side of the cabinet body, and a fan is arranged at the rear of the evaporator. Install the cover body in the outside of evaporimeter, then the fan can blow in the cover body with the cold air around the evaporimeter to in entering the heat dissipation passageway in the heating panel, can flow in the heat dissipation passageway in the heating panel along with the cold air, because the heating panel is great with the air area of contact in the switch board, consequently can be better take away the heat in the switch board to realize radiating purpose.
Preferably, the cover body is of a quadrangular frustum pyramid structure. So that cold air can enter the heat dissipation channel in the heat dissipation plate.
Preferably, the heat dissipation channel is formed by a plurality of inclined channels and a plurality of curved channels, and the plurality of inclined channels and the plurality of curved channels are communicated with each other. When cold air circulates in the heat dissipation channel, the cold air flows upwards from below, and when the air can flow in two flows in the inclined channel and the bending channel of the heat dissipation channel, the two flows can be blocked when the two flows are converged at the joint of the inclined channel and the bending channel, so that the air flow can stay in the heat dissipation channel for a longer time, heat exchange is carried out between the air flow and the air in the power distribution cabinet, and the heat dissipation to the power distribution cabinet can be carried out more efficiently.
The invention provides a power distribution cabinet capable of improving internal heat dissipation efficiency, which has the following beneficial effects:
(1) In the using process of the invention, the heat dissipation of the inside of the power distribution cabinet can be efficiently carried out no matter the external load is increased or reduced. And can carry out dynamic adjustment to the heat dissipation according to the inside heat accumulation condition of switch board, when can carrying out high-efficient timely heat dissipation to the switch board, also can avoid the waste of resource.
(2) According to the invention, the cover body and the radiating plate are arranged, the plurality of radiating channels are formed in the radiating plate, when the inside of the power distribution cabinet is radiated, cold air around the evaporator can enter the radiating channels in the radiating plate, and the radiating channels are formed by the plurality of inclined channels and the curved channels, so that the cold air is divided into two flows in the radiating channels, and the two flows of cold air collide with each other in the flowing process, so that the residence time in the radiating channels is longer, and the cold air can better exchange heat with hot air in the power distribution cabinet, so that the power distribution cabinet is radiated efficiently.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a high-efficiency heat dissipating assembly according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of the actuator according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the reversing valve according to the present invention;
FIG. 6 is a schematic diagram showing the connection of a heat dissipating plate and a cover in the present invention;
fig. 7 is a schematic view of an internal structure of a heat dissipating plate according to the present invention.
In the figure: 1. a cabinet door; 2. a cabinet body; 3. an air outlet; 4. an auxiliary cabinet body; 5. a heat radiation port; 6. an efficient heat dissipation assembly; 7. a first throttle valve; 8. a pipe; 9. a second throttle valve; 10. a liquid storage tank; 11. a second condenser; 12. a second compressor; 13. a second transmission gear; 14. a first transmission gear; 15. a ball; 16. a spline shaft; 17. a vertical rod; 18. a second bevel gear; 19. a motor; 20. a first bevel gear; 21. a housing; 22. a first compressor; 23. a second tube body; 24. a temperature sensing tank; 25. a first tube body; 26. an actuator; 27. a reversing valve; 28. an evaporative condenser; 29. an evaporator; 30. an L-shaped tube; 31. a first piston; 32. a second piston; 33. a drive gear; 34. a drive shaft; 35. a rack; 36. a floating block; 37. a first output port; 38. a valve plate; 39. a second output port; 40. an input port; 41. a heat dissipation plate; 42. a connecting pipe; 43. a cover body; 44. a curved channel; 45. an inclined channel; 46. a heat dissipation channel; 47. a connection channel; 48. a fan; 49. a first condenser.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1-5, the present invention provides a technical solution: the utility model provides an improve switch board of inside radiating efficiency, includes cabinet door 1 and cabinet body 2, and cabinet door 1 is connected with through the hinge rotation to the front surface of cabinet body 2, and a plurality of thermovent 5 have been seted up to cabinet body 2's front surface bottom, still are equipped with high-efficient radiating component 6 on the cabinet body 2;
the efficient heat dissipation assembly 6 comprises a first throttle valve 7, a reversing valve 27, a first condenser 49, a first compressor 22 and an evaporator 29, wherein the first throttle valve 7, the reversing valve 27, the first condenser 49, the first compressor 22 and the evaporator 29 are connected through a pipeline 8, an executing mechanism 26 is fixed on the front surface of the reversing valve 27, a driving shaft 34 is rotatably connected to the inside of the executing mechanism 26, a driving gear 33 is fixed on the outer side wall of the driving shaft 34, the rear end of the driving shaft 34 extends to the inside of the reversing valve 27 and is fixed with a valve plate 38, an input port 40 and a first output port 37 are respectively fixed on the left end and the right end of the reversing valve 27, a second output port 39 is fixed on the top end of the reversing valve 27, a temperature sensing tank 24 is arranged below the reversing valve 27, kerosene is filled in the temperature sensing tank 24, a first pipe 25 is fixed on the top of the temperature sensing tank 24, a floating block 36 is arranged in the inside the first pipe 25, a rack 35 is fixed on the top of the floating block 36, and the top of the rack 35 extends to the inside of the executing mechanism 26 and is meshed with the driving gear 33;
the high-efficiency heat dissipation assembly 6 further comprises a second throttle valve 9, a liquid storage tank 10, a second condenser 11, a second compressor 12 and an evaporation condenser 28, wherein the second throttle valve 9, the liquid storage tank 10, the second condenser 11, the second compressor 12, the evaporation condenser 28 and the reversing valve 27 are connected through a pipeline 8, a shell 21 is jointly fixed on the right side of the first compressor 22 and the right side of the second compressor 12, a motor 19 is fixed at the bottom of the right side of the shell 21, an output shaft of the motor 19 is fixedly connected with the driving end of the first compressor 22, a first bevel gear 20 is fixed on the outer wall of the output shaft of the motor 19, a spline shaft 16 is rotatably connected in the shell 21, a second bevel gear 18 is fixed at the bottom end of the spline shaft 16, the second bevel gear 18 is meshed with the first bevel gear 20, a first transmission gear 14 is movably connected to the outer side wall of the spline shaft 16, a second transmission gear 13 is fixed on the outer wall of a driving shaft of the second compressor 12, an L-shaped tube 30 is fixed on the left side of the shell 21, a first piston 31 and a second piston 32 are movably connected in the inner part of the L-shaped tube 30, a temperature sensing tube 32 is fixed at the top end of the second piston 32 is in contact with the top of the second piston 32, and the second piston 32 is in contact with the top of the first piston body 23, and the second piston body is in contact with the top of the second piston body 32, and the top body is in contact with the second piston body 32, and the temperature sensing tube is in the top is in the temperature sensing tube 32;
the rear surface of the cabinet body 2 is fixedly provided with a secondary cabinet body 4, the first throttle valve 7, the reversing valve 27, the first condenser 49, the first compressor 22, the second throttle valve 9, the liquid storage tank 10, the second condenser 11, the second compressor 12 and the evaporation condenser 28 are all installed and fixed in the secondary cabinet body 4, and the evaporator 29 is installed and fixed in the inner rear part of the cabinet body 2.
When the external load is not large and the heat generated by the electric parts and the wires is not much, the heat in the power distribution cabinet can be dissipated through the heat dissipation port 5; when the external load increases, the heat generated by the electric components and the wires increases, so that the heat in the power distribution cabinet is excessively accumulated, the heat dissipation port 5 cannot effectively dissipate the heat in time, the motor 19 is started to drive the first compressor 22 to operate, the first bevel gear 20 drives the second bevel gear 18, the spline shaft 16 and the first transmission gear 14 thereon to rotate, the first compressor 22 can suck the refrigerant and compress the refrigerant into high-temperature and high-pressure steam, then the refrigerant is changed into high-temperature and high-pressure liquid through the first condenser 49, the valve plate 38 in the reversing valve 27 is in situ, the input port 40 is communicated with the first output port 37, the refrigerant enters the first throttle valve 7 through the reversing valve 27 and becomes low-temperature and low-pressure liquid through the first throttle valve 7, and then enters the evaporator 29 to evaporate, so that the accumulated heat in the cabinet body 2 can be taken away, and the power distribution cabinet can be efficiently dissipated.
When the external load is further increased, the heat accumulated in the power distribution cabinet is further increased, kerosene in the temperature sensing tank 24 is heated and expanded, the expanded kerosene can jack up the floating block 36 and the rack 35 upwards, the driving gear 33 and the driving shaft 34 are driven to rotate, so that the valve plate 38 in the reversing valve 27 rotates anticlockwise, the input port 40 is communicated with the second output port 39, the first piston 31 is not pushed to move by expansion, the second piston 32 is enabled to move under the action of oil liquid, the vertical rod 17 is driven to move upwards, the first transmission gear 14 is pushed to be meshed with the second transmission gear 13, the second compressor 12 can also operate under the action of the first transmission gear 14 and the second transmission gear 13, the second compressor 12 can suck the refrigerant above and become high-temperature and high-pressure steam, the refrigerant is changed into high-temperature and high-pressure liquid through the second condenser 11, the low-temperature and low-pressure liquid through the second throttle valve 9 is changed into the low-temperature and enters into the tube of the evaporation condenser 28, the lower-side refrigerant is further led into the low-pressure refrigerant through the first condenser 22, the refrigerant is changed into the low-temperature and the low-pressure refrigerant through the second condenser 28, the refrigerant is further enters the low-pressure condenser 28 through the second condenser 28, and the refrigerant is further led into the low-pressure refrigerant through the low-pressure condenser 28, and the refrigerant is further enters the low-pressure condenser 28 through the low-pressure condenser tube, and the evaporation tube, the refrigerant is further enters the low-temperature condenser 28 into the side refrigerant side evaporator, the refrigerant through the side evaporator, the refrigerant is further enters the low-pressure side refrigerant side through the evaporator, the refrigerant is cooled through the evaporator, and the refrigerant is further enters the low-temperature condenser, and is cooled through the refrigerant and the refrigerant is cooled through the evaporator, and is further, and is cooled, and has the refrigerant and has the high and has the refrigerant and has high.
Examples
On the basis of the first embodiment, as shown in fig. 6 and 7, a cover 43 with a quadrangular frustum pyramid structure is further arranged at the inner rear part of the cabinet body 2, two connecting pipes 42 are fixed at the front end of the cover 43, heat dissipation plates 41 are fixed at two sides of the inner part of the cabinet body 2, one ends of the two connecting pipes 42, which are far away from the cover 43, are respectively fixedly connected with the bottoms of the rear sides of the two heat dissipation plates 41, a plurality of heat dissipation channels 46 are respectively arranged in the inner parts of the two heat dissipation plates 41, the plurality of heat dissipation channels 46 are communicated through a connecting channel 47, an air outlet 3 is fixed at one side of the heat dissipation plates 41, one end, which is far away from the heat dissipation plates 41, of the air outlet 3 extends to the outer side of the cabinet body 2, a fan 48 is arranged at the rear part of the evaporator 29, the heat dissipation channels 46 are formed by a plurality of inclined channels 45 and a plurality of curved channels 44, and the inclined channels 45 and the curved channels 44 are mutually communicated.
When the cooling device is used, the cover body 43 is arranged on the outer side of the evaporator 29, at the moment, the fan 48 behind the evaporator 29 blows cool air around the evaporator 29 into the cover body 43 and enters the cooling channels 46 in the cooling plates 41 through the connecting pipes 42, the cool air can move upwards from below in each cooling channel 46 under the action of the connecting channels 47, the cool air can be divided into two flows in the inclined channels 45 and the curved channels 44 when running in the cooling channels 46, when the two flows to the junction of the inclined channels 45 and the curved channels 44, the two cold air can collide and block each other, so that the residence time of the cool air in the cooling channels 46 is longer, and because the contact area between the cooling plates 41 and the hot air in the power distribution cabinet is large, the cool air can better exchange heat with the hot air in the power distribution cabinet, and finally the heat in the power distribution cabinet can be discharged from the air outlet 3 more efficiently.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an improve inside radiating efficiency's switch board, includes cabinet door (1) and cabinet body (2), its characterized in that: the front surface of the cabinet body (2) is rotationally connected with the cabinet door (1) through a hinge, a plurality of heat dissipation openings (5) are formed in the bottom of the front surface of the cabinet body (2), and a high-efficiency heat dissipation assembly (6) is further arranged on the cabinet body (2);
the efficient heat dissipation assembly (6) comprises a first throttle valve (7), a reversing valve (27), a first condenser (49), a first compressor (22) and an evaporator (29), wherein the first throttle valve (7), the reversing valve (27), the first condenser (49), the first compressor (22) and the evaporator (29) are connected through a pipeline (8), an actuating mechanism (26) is fixed on the front surface of the reversing valve (27), a driving shaft (34) is rotatably connected to the inside of the actuating mechanism (26), a driving gear (33) is fixed on the outer side wall of the driving shaft (34), the rear end of the driving shaft (34) extends to the inside of the reversing valve (27), a valve plate (38) is fixed on the rear end of the reversing valve (27), an input port (40) and a first output port (37) are respectively fixed on the left end and the right end of the reversing valve (27), a second output port (39) is fixed on the top of the reversing valve (27), a temperature sensing tank (24) is arranged below the reversing valve (27), a temperature sensing block (24) is arranged in the top of the reversing valve (27), a first floating block (25) is fixed on the top of the reversing valve (27), a first floating block (36) is filled in the top of the reversing valve (27), the top end of the rack (35) extends to the inside of the actuating mechanism (26) and is meshed with the driving gear (33);
the efficient heat dissipation assembly (6) further comprises a second throttle valve (9), a liquid storage tank (10), a second condenser (11), a second compressor (12) and an evaporation condenser (28), the second throttle valve (9), the liquid storage tank (10), the second condenser (11), the second compressor (12), the evaporation condenser (28) and the reversing valve (27) are connected through a pipeline (8), a shell (21) is jointly fixed on the right side of the first compressor (22) and the right side of the second compressor (12), a motor (19) is fixed on the bottom of the right side of the shell (21), an output shaft of the motor (19) is fixedly connected with a driving end of the first compressor (22), a first bevel gear (20) is fixed on the outer wall of the output shaft of the motor (19), a spline shaft (16) is connected in a rotating mode inside the shell (21), a second bevel gear (18) is fixed on the bottom end of the evaporation condenser (28), a second bevel gear (18) is meshed with a spline shaft (16) on the outer wall of the first bevel gear (12), a spline gear (13) is fixed on the outer wall of the second bevel gear (12), the inside swing joint of L type pipe (30) has first piston (31) and second piston (32), the top of second piston (32) is fixed with montant (17), the top of montant (17) with the bottom of first drive gear (14) contacts, first piston (31) with fill between second piston (32) and have fluid, the right side of temperature sensing jar (24) is fixed with second body (23), does not second body (23) keep away from one end of temperature sensing jar (24) is fixed in the left end of L type pipe (30).
2. The power distribution cabinet for improving internal heat dissipation efficiency according to claim 1, wherein: the back surface mounting of the cabinet body (2) has vice cabinet body (4), first choke valve (7) switching-over valve (27) first condenser (49) first compressor (22) second choke valve (9) liquid storage pot (10) second condenser (11) second compressor (12) evaporation condenser (28) all install and be fixed in the inside of vice cabinet body (4), evaporator (29) install and be fixed in the interior rear portion of the cabinet body (2).
3. The power distribution cabinet for improving internal heat dissipation efficiency according to claim 1, wherein: the top of montant (17) is inlayed and is equipped with ball (15), ball (15) with montant (17) roll connection, just the outer wall of ball (15) with the bottom of first drive gear (14) is laminated mutually.
4. The power distribution cabinet for improving internal heat dissipation efficiency according to claim 1, wherein: a sealing ring is fixed at the joint of the driving shaft (34) and the reversing valve (27).
5. The power distribution cabinet for improving internal heat dissipation efficiency according to claim 1, wherein: the outer wall of the floating block (36) is attached to the inner wall of the first pipe body (25), and kerosene is filled in the first pipe body (25) below the floating block (36); the outer wall of the first piston (31) and the outer wall of the second piston (32) are attached to the inner wall of the L-shaped pipe (30), and kerosene is filled in the second pipe body (23) and between the second pipe body (23) and the first piston (31).
6. The power distribution cabinet for improving internal heat dissipation efficiency according to claim 1, wherein: the novel heat radiation cabinet is characterized in that a cover body (43) is further arranged at the inner rear portion of the cabinet body (2), two connecting pipes (42) are fixed at the front end of the cover body (43), heat radiation plates (41) are fixed at two sides of the inner portion of the cabinet body (2), two connecting pipes (42) are far away from one end of the cover body (43) and two heat radiation plates (41) are fixedly connected with the bottom of the rear side respectively, a plurality of heat radiation channels (46) are formed in the inner portion of the heat radiation plates (41), the heat radiation channels (46) are communicated through the connecting channels (47), an air outlet (3) is fixed at one side of the heat radiation plates (41), one end of the air outlet (3) away from the heat radiation plates (41) extends to the outer side of the cabinet body (2), and a fan (48) is arranged at the rear of the evaporator (29).
7. The power distribution cabinet for improving internal heat dissipation efficiency according to claim 6, wherein: the cover body (43) is of a quadrangular frustum pyramid structure.
8. The power distribution cabinet for improving internal heat dissipation efficiency according to claim 6, wherein: the heat dissipation channel (46) is composed of a plurality of inclined channels (45) and a plurality of bending channels (44), and the inclined channels (45) and the bending channels (44) are communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310530107.6A CN116247547B (en) | 2023-05-12 | 2023-05-12 | Power distribution cabinet capable of improving internal heat dissipation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310530107.6A CN116247547B (en) | 2023-05-12 | 2023-05-12 | Power distribution cabinet capable of improving internal heat dissipation efficiency |
Publications (2)
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| CN116247547B true CN116247547B (en) | 2023-07-07 |
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|---|---|---|---|---|
| KR20190054568A (en) * | 2017-11-14 | 2019-05-22 | 오영태 | Power Distributing Board having Nonpowered Cooling Structure |
| CN112134167A (en) * | 2020-09-29 | 2020-12-25 | 余储 | Automatic change high-efficient cooling electric power electrical control cabinet |
| CN212695495U (en) * | 2020-07-21 | 2021-03-12 | 安徽昌峰电气设备有限公司 | Improved generation heat-dissipation power distribution cabinet |
| CN112928653A (en) * | 2021-01-23 | 2021-06-08 | 奚占洲 | Switch board with high heat dispersion |
| CN215071241U (en) * | 2021-06-02 | 2021-12-07 | 四川锐明电力工程有限公司 | Heat radiator for switch board |
| CN114069450A (en) * | 2022-01-14 | 2022-02-18 | 诺沃机械南通有限公司 | Self-cooled power distribution cabinet based on throttling expansion principle |
| CN114784673A (en) * | 2022-04-06 | 2022-07-22 | 王金亮 | Alternating current power distribution cabinet capable of reducing internal heat dissipation blind area and improving heat dissipation efficiency of power distribution cabinet |
-
2023
- 2023-05-12 CN CN202310530107.6A patent/CN116247547B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190054568A (en) * | 2017-11-14 | 2019-05-22 | 오영태 | Power Distributing Board having Nonpowered Cooling Structure |
| CN212695495U (en) * | 2020-07-21 | 2021-03-12 | 安徽昌峰电气设备有限公司 | Improved generation heat-dissipation power distribution cabinet |
| CN112134167A (en) * | 2020-09-29 | 2020-12-25 | 余储 | Automatic change high-efficient cooling electric power electrical control cabinet |
| CN112928653A (en) * | 2021-01-23 | 2021-06-08 | 奚占洲 | Switch board with high heat dispersion |
| CN215071241U (en) * | 2021-06-02 | 2021-12-07 | 四川锐明电力工程有限公司 | Heat radiator for switch board |
| CN114069450A (en) * | 2022-01-14 | 2022-02-18 | 诺沃机械南通有限公司 | Self-cooled power distribution cabinet based on throttling expansion principle |
| CN114784673A (en) * | 2022-04-06 | 2022-07-22 | 王金亮 | Alternating current power distribution cabinet capable of reducing internal heat dissipation blind area and improving heat dissipation efficiency of power distribution cabinet |
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| CN116247547A (en) | 2023-06-09 |
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