CN109888625B - Multi-mode power distribution cabinet - Google Patents
Multi-mode power distribution cabinet Download PDFInfo
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- CN109888625B CN109888625B CN201910060701.7A CN201910060701A CN109888625B CN 109888625 B CN109888625 B CN 109888625B CN 201910060701 A CN201910060701 A CN 201910060701A CN 109888625 B CN109888625 B CN 109888625B
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Abstract
The invention discloses a multi-mode power distribution cabinet, which comprises a cabinet body, wherein the top end of the cabinet body is also fixedly connected with a top cover, the side wall of the top cover is also provided with a circle of strip-shaped ventilation holes, fans are fixedly arranged on two sides of the inner wall of the top end of the top cover, two rows of insulating heat dissipation plates are hung above the interior of the cabinet body through electric telescopic rods and corresponding connecting arms, electric heating wires are fixed on the heat dissipation plates, a fourth temperature sensor and a third temperature sensor are also installed at the lower end part in the cabinet body, and a first temperature controller is also installed in the; a row of bar-shaped heat dissipation holes are formed in the side walls of the two ends of the cabinet body, an air deflector is rotatably connected to the inner wall of each bar-shaped heat dissipation hole through a rotating shaft, and the opening degree of each bar-shaped heat dissipation hole can be adjusted through the air deflector. The cabinet body can be kept at a proper temperature by the heating wires when the temperature is low, meanwhile, the cabinet body can be adjusted to different heat dissipation modes according to different temperature values in the cabinet body, energy waste is avoided, and in addition, the heating assembly can be freely folded and unfolded as required, so that the cabinet body is convenient and practical.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a multi-mode power distribution cabinet.
Background
The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
For some high voltage distribution cabinets used for distributing and controlling high-voltage distribution electromechanical equipment, particularly, internal electrical components are precise, so that the requirements of the precise electrical components on temperature conditions are high, the temperature is suddenly high and suddenly low, or the precision of the electrical components can be influenced by too high and too low, inaccuracy of control parameters is caused, the conventional common high voltage distribution cabinet is difficult to meet relatively stable temperature conditions in a cabinet body though has simple heat dissipation and heating components, meanwhile, the electrical heating components are fixedly installed, potential safety hazards exist, and obstruction can be caused to the heat dissipation effect of a fan.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention provides the following technical scheme: a multi-mode power distribution cabinet comprises a cabinet body, supporting pad feet fixed at four corners of the bottom surface of the cabinet body and an electric appliance fixing plate fixedly installed inside the cabinet body, wherein threading openings are formed in the upper end and the lower end of one side wall of the cabinet body, a top cover is fixedly connected to the top end of the cabinet body, the inside of the top cover is communicated with the inside of the cabinet body, a circle of strip-shaped ventilation holes are formed in the side wall of the top cover, motor bases are fixedly arranged on two sides of the inner wall of the top end of the top cover, fans are fixedly installed at the lower ends of the motor bases, a group of fixing supports are fixed on two side walls above the inside of the cabinet body, fixed insulating heat dissipation plates are fixedly installed on the fixing supports on each side, a plurality of movable insulating heat dissipation plates are further distributed on the inner side of each fixed insulating, a strip-shaped gap is formed between adjacent heat dissipation plates, hanging frames are further fixed on the inner walls of two ends of the top cover, electric telescopic rods are fixedly hung at the lower ends of the hanging frames, wiring ends of the electric telescopic rods are electrically connected with an external power supply, connecting arms are fixed on the side walls of the outer end portions of a plurality of sections of telescopic rods of the electric telescopic rods, the lower ends of the connecting arms are fixed on two sides of the top surface of the opposite movable insulating heat dissipation plate, electric heating wires are fixedly connected to the top surfaces of the movable insulating heat dissipation plate and the fixed insulating heat dissipation plate through fixing clamps, a plurality of groups of electric heating wires located below the electric telescopic rods on the same side are formed by mutually connecting a plurality of spiral resistance wires distributed along the width direction of the interior of the cabinet;
a fourth temperature sensor and a third temperature sensor are further mounted at the lower end part in the cabinet body, a first temperature controller is further mounted in the cabinet body, the third temperature sensor and the fourth temperature sensor are both electrically connected with the input end of the first temperature controller, and the output end of the first temperature controller is respectively electrically connected with the electric heating wire and the control switch of the fan;
when the third temperature sensor detects that the temperature in the cabinet body is higher than a preset highest set value, the first temperature controller triggers a control switch of the fan to start, and the fan is used for dissipating heat in the cabinet body until the temperature in the cabinet body detected by the third temperature sensor is lower than the preset lowest set value, and at the moment, the first temperature controller triggers the control switch of the fan to close, and the fan is stopped; when the fourth temperature sensor detects that the temperature below the cabinet body is lower than the preset lowest set value, the first temperature controller triggers the control switch of the electric heating wire to start, the cabinet body is heated and heated until the fourth temperature sensor detects that the temperature below the cabinet body is higher than the preset highest set value, and at the moment, the first temperature controller triggers the control switch of the electric heating wire to close, and heating is stopped.
Preferably, a row of strip-shaped heat dissipation holes are formed in the side walls of the two ends of the cabinet body, an air deflector is rotatably connected to the inner wall of each strip-shaped heat dissipation hole through a rotating shaft, and the opening degree of each strip-shaped heat dissipation hole can be adjusted through the air deflector.
Preferably, a circle of stay ropes is distributed on two sides of the air deflector, the middle parts of two sides of the air deflector, which are diagonally arranged, are locked at corresponding positions of the stay ropes through lock catches, a rotary drum is rotatably mounted on the inner wall of the lower end of the cabinet body through a fixing frame, threading holes are formed in the upper end and the lower end of the side wall of the cabinet body, the upper end and the lower end of the stay ropes penetrate through the threading holes and extend to the inside of the cabinet body, the lower end of the stay rope is detachably clamped on the rotary drum, a driving motor is fixedly mounted in the cabinet body, and an output shaft of the driving motor.
Preferably, the top end of the rotary drum is provided with a clamping groove, clamping plates are distributed above the clamping groove, two ends of each clamping plate are fixedly connected with two ends of the clamping groove through elastic connecting pieces, and the pull rope is arranged between the clamping plates and the clamping groove and is clamped and fixed by the elasticity of the elastic connecting pieces.
Preferably, a second temperature sensor and a second temperature controller are further installed in the cabinet body, the second temperature sensor is connected with the input end of the second temperature controller, the output end of the second temperature controller is respectively electrically connected with a control switch of the driving motor and a control switch of the fan, when the third temperature sensor detects that the temperature in the cabinet body is higher than a preset maximum set value, the second temperature controller triggers the control switch of the driving motor to start, and the air deflector is completely opened at the moment, so that the opening degree of the strip-shaped heat dissipation holes is maximized; when the temperature in the cabinet body measured by the second temperature sensor is lower than the preset highest set value, the second temperature controller drives the motor to control the air deflector to be opened to incline 45 degrees, so that the opening degree of the strip-shaped heat dissipation holes is reduced to a half; when the second temperature sensor detects that the temperature in the cabinet body is lower than the preset lowest set value, the second temperature controller controls the driving motor to control the air deflector to be completely closed.
Preferably, a forced cooling system is further installed in the top cover, a first temperature sensor and a third temperature controller are installed in the cabinet body, the first temperature sensor is connected with the input end of the third temperature controller, the output end of the third temperature controller is electrically connected with a control switch of the forced cooling system and a control switch of the driving motor, when the temperature in the cabinet body measured by the first temperature sensor is higher than the preset highest set value, the third temperature controller triggers the control switch of the forced cooling system and the control switch of the driving motor to be started, the air deflector is completely closed, and forced cooling is performed on the interior of the cabinet body until the temperature in the cabinet body is reduced to be lower than the preset lowest set value of the first temperature sensor.
Preferably, the movable insulating heat dissipation plate and the fixed insulating heat dissipation plate are specifically high-temperature-resistant mica sheets, and a plurality of heat dissipation holes are uniformly and equidistantly formed in the high-temperature-resistant mica sheets.
Preferably, the dome comprises roof, the riser that is located the roof both sides, the swash plate triplex that is located between riser and the cabinet body top lateral wall, and roof, riser and swash plate triplex integrated into one piece concatenation form, wherein the length of roof is greater than the length value of the cabinet body for the swash plate is towards the structure of cabinet body lateral wall slope, ventilation hole evenly distributed is on the swash plate.
Preferably, the outer surface of the top plate is of a smooth arc structure with the height gradually decreasing from the center to the peripheral outer edge.
Preferably, the outer side of the threading opening is also hermetically connected with a protective elbow bent downwards, and the threading opening is communicated with the protective elbow.
(II) advantageous effects
The invention provides a multi-mode power distribution cabinet, which has the following beneficial effects:
(1) the invention arranges a group of electric telescopic rods on both sides inside the top cover, and arranges a fixed insulating heat sink and a movable insulating heat sink below the electric heating wire in the top cover, wherein the fixed insulating heat sink is arranged on both sides near the side wall of the cabinet body, and the movable insulating heat sink is hung under the multi-section telescopic rods of the electric telescopic rods through connecting arms, so as to arrange the heat sink and the electric heating wire as a mechanism capable of freely folding and unfolding, when the temperature is lower in winter, the electric telescopic rods are started, and the electric telescopic rods are used to drive a plurality of movable insulating heat sinks to move towards the middle in sequence, so as to extend the electric heating wire and the movable insulating heat sink below the electric heating wire, effectively increase the heat dissipation area of the heat sink, rapidly raise the temperature in the cabinet body, and simultaneously, the electric heating wire is arranged above the, by the design, the electric heating wire does not occupy the space for normally placing the electric elements in the cabinet body, and accidents caused by the fact that the electric heating wire is close to the electric elements in the cabinet body are avoided; in comparatively hot weather in summer, in order to promote the internal fan radiating effect of cabinet, can utilize electric telescopic handle to drive the multi-disc once more and remove insulating heating panel to both sides removal in proper order to progressively stack the fixed insulating heating panel top that is located both sides with electric heating wire and the removal insulating heating panel of its below, thereby guarantee that the fan is unblocked to the circulation wind path of the internal of cabinet, effectively strengthen the fan's fan radiating effect.
(2) According to the invention, the cabinet body is provided with the electric heating assembly, and whether the heating mode is started or not can be selected according to the detected temperature, so that the cabinet body can still keep a proper temperature when the temperature is lower in winter; through all seting up supplementary radiating bar louvre on cabinet body both ends lateral wall, and rotate the installation aviation baffle on the bar louvre, the setting can realize at the cabinet body simultaneously that the aviation baffle is according to the internal actual temperature of cabinet, adjust bar louvre aperture and whether open the control structure subassembly of fan, in addition, forced refrigeration system and aviation baffle cooperation use have still been set up, and then can adjust to different radiating mode according to the internal different temperature values of cabinet, can guarantee to keep comparatively suitable temperature range throughout in the cabinet body when weather is hotter in summer, can also avoid opening the energy waste that fan or forced refrigeration system caused simultaneously always, in addition, when the temperature is lower, can also play certain automatic heat preservation effect.
(3) The top cover consisting of the top plate, the vertical plates positioned on two sides of the top plate and the inclined plate positioned between the vertical plates and the side wall of the top end of the cabinet body is arranged at the top end of the cabinet body, the length of the top plate is ensured to be greater than the length of the cabinet body, the inclined plate is in a structure inclined towards the side wall of the cabinet body, and the vent holes are uniformly distributed on the inclined plate, so that the structural design can prevent a fan in the top cover from being over against the vent holes, thereby preventing external dust from being directly sucked into the cabinet body in the fan blowing process of the fan, effectively enhancing the dustproof effect of the cabinet body, and in addition, the inclined plate is arranged in a structure inclined towards the side wall of the cabinet body, thereby preventing rainwater from directly flowing into the cabinet body from the vent holes in rainy and snowy days to cause that internal electrical elements are damped and damaged, and finally, in rainy and snowy weather, the rainwater can be guided to the ground in time, so that the problem of water accumulation is avoided.
Drawings
FIG. 1 is a schematic view of the internal structure of the cabinet of the present invention;
FIG. 2 is a schematic view of a partial sectional structure of the air deflector and the drum according to the present invention;
FIG. 3 is a schematic view of a partial structure of a side wall of the cabinet according to the present invention;
FIG. 4 is a schematic view of a drum structure of the present invention;
fig. 5 is a schematic top view of the connection between the electric heating wire and the insulating heat dissipating plate according to the present invention.
In the figure: the cabinet body 1, first temperature sensor 2, support and fill up foot 3, fourth temperature sensor 4, wiring mouth 5, second temperature sensor 6, stay cord 7, third temperature sensor 8, ventilation hole 9, gallows 10, electric telescopic handle 11, motor cabinet 12, remove insulating heating panel 13, linking arm 14, electric heating wire 15, fan 16, roof 17, fixed bolster 18, riser 19, swash plate 20, electrical apparatus fixed plate 21, rotary drum 22, through wires hole 23, bar louvre 24, aviation baffle 25, double-layered groove 26, fixed clamp 27, fixed insulating heating panel 28, bar space 29, binding post 30, protection return bend 31, overhead guard 32, elastic connection 33, splint 34, strong refrigerating system 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a multi-mode power distribution cabinet comprises a cabinet body 1, support pad feet 3 fixed at four corners of the bottom surface of the cabinet body 1, and an electrical appliance fixing plate 21 fixedly installed inside the cabinet body 1, wherein the upper end and the lower end of one side wall of the cabinet body 1 are both provided with threading ports 5, the top end of the cabinet body 1 is also fixedly connected with a top cover 32, the inside of the top cover 32 is communicated with the inside of the cabinet body 1, the side wall of the top cover 32 is also provided with a circle of strip-shaped ventilation holes 9, the top cover 32 is composed of a top plate 17, vertical plates 19 positioned at two sides of the top plate 17, and an inclined plate 20 positioned between the vertical plates 19 and the side wall at the top end of the cabinet body 1, the top plate 17, the vertical plates 19 and the inclined plate 20 are integrally formed and spliced, wherein the length of the top; the outer surface of the top plate 17 is a smooth arc-shaped structure with the height gradually decreasing from the center to the peripheral outer edge.
By arranging the top cover 32 consisting of the top plate 17, the vertical plates 19 positioned at two sides of the top plate 17 and the inclined plates 20 positioned between the vertical plates 19 and the side wall at the top end of the cabinet body 1 and ensuring that the length of the top plate 17 is greater than the length value of the cabinet body 1, the inclined plates 20 are in a structure inclined towards the side wall of the cabinet body 1, and the vent holes 9 are uniformly distributed on the inclined plates 20, the structural design can ensure that the fans 16 in the top cover 32 can not be over against the vent holes 9, thereby avoiding that external dust is directly sucked into the cabinet body in the fan blowing process, effectively enhancing the dustproof effect of the cabinet body, in addition, the inclined plates 20 are arranged in a structure inclined towards the side wall of the cabinet body 1, thus avoiding that in rainy and snowy weather, rainwater directly flows into the cabinet body 1 through the vent holes 9, causing damp and damage to internal electric elements, and finally, the outer surface, in rainy and snowy days, rainwater can be guided to the ground in time, so that the problem of water accumulation is avoided;
the outer side of the threading opening 5 is also hermetically connected with a protective bent pipe 31 bent downwards, the threading opening 5 is communicated with the protective bent pipe 31, and the protective bent pipe 31 can cover a circuit at the threading opening 5 during wiring, so that the problems of electric shock and rainwater erosion are avoided;
the two sides of the inner wall of the top end of the top cover 32 are fixedly provided with motor bases 12, the lower end of the motor base 12 is fixedly provided with a fan 16, two side walls above the inner part of the cabinet body 1 are respectively fixed with a group of fixed brackets 18, the fixed brackets 18 of each side are respectively fixedly provided with a fixed insulating heat dissipation plate 28, the inner side of each fixed insulating heat dissipation plate 28 is also distributed with a plurality of movable insulating heat dissipation plates 13, the movable insulating heat dissipation plates 13 and the fixed insulating heat dissipation plates 28 are arranged in a ladder shape, the fixed insulating heat dissipation plates 28 are positioned at the lowest position, strip-shaped gaps 29 are formed between adjacent heat dissipation plates, the inner walls of the two ends of the top cover 32 are also fixedly provided with hanging frames 10, the lower ends of the hanging frames 10 are fixedly hung with electric telescopic rods 11, the wiring ends of the electric telescopic rods 11 are electrically connected with an external power supply, the, the top surfaces of the movable insulating heat dissipation plate 13 and the fixed insulating heat dissipation plate 28 are fixedly connected with electric heating wires 15 through fixing clamps 27, the plurality of groups of electric heating wires 15 positioned below the electric telescopic rods 11 on the same side are formed by mutually connecting a plurality of spiral resistance wires distributed along the width direction of the inside of the cabinet body 1 in series, and two wiring terminals 30 of the electric heating wires 15 on the same side are electrically connected with an external power supply;
the insulating heat dissipation plates are preferably high-temperature resistant mica sheets, and a plurality of heat dissipation holes are uniformly and equidistantly formed in the high-temperature resistant mica sheets; the insulating and heat dissipating plate 13 not only plays a role in accelerating the heat generated by the electric heating wire 15 to be dissipated, but also separates the electric heating wire 15 from the electric elements distributed in the cabinet body 1, thereby effectively avoiding the problem of short circuit of the circuit caused by the accidental direct contact between the electric elements and the electric heating wire 15.
A fourth temperature sensor 4 and a third temperature sensor 8 are further mounted at the lower end part in the cabinet body 1, a first temperature controller is further mounted in the cabinet body 1, the third temperature sensor 8 and the fourth temperature sensor 4 are both electrically connected with the input end of the first temperature controller, and the output end of the first temperature controller is respectively electrically connected with control switches of an electric heating wire 15 and a fan 16;
a row of strip-shaped heat dissipation holes 24 are formed in the side walls of two ends of the cabinet body 1, an air deflector 25 is rotatably connected to the inner wall of each strip-shaped heat dissipation hole 24 through a rotating shaft, and the air deflector 25 can adjust the opening degree of each strip-shaped heat dissipation hole 24; there is a round stay cord 7 aviation baffle 25 both sides distribution, and every aviation baffle 25 inside and outside both sides are the both sides middle part of diagonal angle setting all through hasp locking in the relevant position department of stay cord 7, still rotate through the mount on the 1 lower extreme inner wall of cabinet body and install rotary drum 22, through wires hole 23 has been seted up at both ends about the 1 lateral wall of cabinet body, and both ends all pass through wires hole 23 about stay cord 7 and extend to the 1 internal portion of cabinet, and 7 lower extreme detachable chucking of stay cord are on rotary drum 22, still fixed mounting has driving motor in the cabinet body 1, driving motor output shaft and the coaxial fixed connection of rotary drum 22.
The top end of the rotary drum 22 is provided with a clamping groove 26, a clamping plate 34 is distributed above the clamping groove 26, two ends of the clamping plate 34 are fixedly connected with two ends of the clamping groove 26 through an elastic connecting piece 33, and the pull rope 7 is arranged between the clamping plate 34 and the clamping groove 26 and is clamped and fixed by the elasticity of the elastic connecting piece 33.
A second temperature sensor 6 and a second temperature controller are also arranged in the cabinet body 1, the second temperature sensor 6 is connected with the input end of the second temperature controller, the output end of the second temperature controller is respectively and electrically connected with a control switch of the driving motor and a control switch of the fan 16,
a forced cooling system 35 is also arranged in the top cover 32, a first temperature sensor 2 and a third temperature controller are arranged in the cabinet body 1, the first temperature sensor 2 is connected with the input end of the third temperature controller, the output end of the third temperature controller is electrically connected with a control switch of the forced cooling system 35 and a control switch of the driving motor,
a group of electric telescopic rods 11 are fixedly arranged on two sides in a top cover 32, a fixed insulating heat dissipation plate 28 and a movable insulating heat dissipation plate 13 are respectively arranged below an electric heating wire 15 in the top cover 32, wherein the fixed insulating heat dissipation plate 28 is fixedly arranged on the two sides close to the side wall of a cabinet body 1, and the movable insulating heat dissipation plate 13 is hung below a plurality of telescopic rods of the electric telescopic rods 11 through a connecting arm 14, so that the heat dissipation plate and the electric heating wire 15 are arranged into a mechanism capable of being freely folded and unfolded, when the temperature is low in winter, the electric telescopic rods 11 are started, a plurality of movable insulating heat dissipation plates 13 are driven by the electric telescopic rods 11 to sequentially move towards the middle, so that the electric heating wire 15 and the movable insulating heat dissipation plate 13 below the electric heating wire 15 are unfolded, the heat dissipation area of the heat dissipation plate is effectively increased, the temperature in the cabinet body 1 is enabled to rapidly, by the design, the electric heating wire 15 does not occupy the space in the cabinet body for normally placing the electric elements, and accidents caused by the fact that the electric heating wire 15 is close to the electric elements in the cabinet body are avoided; in hot weather in summer, in order to improve the fan heat dissipation effect in the cabinet body 1, the electric telescopic rod 11 can be utilized to drive the plurality of movable insulating heat dissipation plates 13 to move towards two sides in sequence again, so that the electric heating wires 15 and the movable insulating heat dissipation plates 13 below the electric heating wires are gradually stacked above the fixed insulating heat dissipation plates 28 on two sides, the circulation wind path from the fan 16 to the cabinet body 1 is smooth, and the fan heat dissipation effect of the fan 16 is effectively enhanced.
For example, when the temperature is low in winter, when the fourth temperature sensor 4 detects that the temperature below the cabinet body 1 is lower than the preset lowest set value by 5 ℃, the first temperature controller triggers the control switch of the electric heating wire 15 to start, so as to heat and raise the temperature in the cabinet body 1 until the fourth temperature sensor 4 detects that the temperature below the cabinet body 1 is higher than the preset highest set value by 13 ℃, and at this time, the first temperature controller triggers the control switch of the electric heating wire 15 to close, so as to stop heating.
When the temperature is high in summer, the plurality of heat dissipation plates and the electric heating wires 15 on the heat dissipation plates are all folded to the outermost side position together, when the third temperature sensor 8 detects that the temperature in the cabinet body 1 is higher than a preset highest set value of 38 ℃, the first temperature controller triggers a control switch of the fan 16 to start to perform fan cooling in the cabinet body 1, and meanwhile, the second temperature controller triggers a control switch of the driving motor to start to drive the rotary drum 22 to turn over, so that the stay cord 7 is utilized to pull the air deflector 25 to turn over until the air deflector 25 is completely opened, and the opening degree of the strip-shaped heat dissipation holes 24 is maximized; at the moment, the strip-shaped heat dissipation holes 24 on the two sides of the high-voltage power distribution cabinet can realize air convection, meanwhile, the fan 16 circulates the heat dissipation air sucked by the strip-shaped air vents 9 on the top cover 32 into the cabinet body 1, the combination of the two heat dissipation modes effectively enhances the heat dissipation effect, and the rapid cooling is realized, until the temperature in the cabinet body 1 measured by the third temperature sensor 8 is lower than the preset minimum set value of 32 ℃, the first temperature controller triggers the control switch of the fan 16 to close to stop the fan, and at the moment, the strip-shaped heat dissipation holes 24 on the two sides of the high-voltage power distribution cabinet are utilized to carry out air convection, thus; when the temperature in the cabinet body 1 measured by the second temperature sensor 6 is lower than the preset maximum set value of 20 ℃, the temperature in the cabinet body is proper, so that heat dissipation is basically not needed, the second temperature controller drives the motor to control the air deflector 25 to be opened to incline 45 degrees, and the opening degree of the strip-shaped heat dissipation holes 24 is reduced to half, so that the convection heat dissipation effect can be weakened, the basic air convection is maintained, and the heat accumulation in the cabinet body is avoided; when the second temperature sensor 6 detects that the temperature in the cabinet body 1 is lower than the preset lowest set value of 13 ℃, the heat loss needs to be reduced in the cabinet body 1 due to the lower temperature, so that the second temperature controller controls the driving motor to control the air deflector 25 to be completely closed, and the heat loss is effectively reduced; if the temperature in the cabinet is already hard to reach the purpose of cooling by utilizing the convection action of the fan 16 and the heat dissipation holes, the forced cooling system 35 needs to be started to assist in rapid cooling, for example, when the temperature in the cabinet 1 measured by the first temperature sensor 2 is higher than the preset highest set value of 45 ℃, the third temperature controller triggers the control switch of the forced cooling system 35 and the control switch of the driving motor to start, so that the air deflector 25 is completely closed, and the cabinet 1 is subjected to forced cooling until the temperature in the cabinet is reduced to below the preset lowest set value of 38 ℃ of the first temperature sensor 2.
In conclusion, the cabinet body 1 is provided with the electric heating assembly, and whether the heating mode is started or not can be selected according to the detected temperature, so that the cabinet body 1 can still keep a proper temperature when the temperature is lower in winter; through all seting up supplementary radiating bar louvre 24 on the lateral wall of the cabinet body 1 both ends, and rotate installation aviation baffle 25 on bar louvre 24, can realize that aviation baffle 25 is according to the internal actual temperature of the cabinet at cabinet 1 simultaneously in the setting of the cabinet body 1, adjust bar louvre 24 aperture and whether open fan 16's control structure subassembly, furthermore, strong refrigerating system and aviation baffle 25 cooperation use have still been set up, and then can adjust to different heat dissipation mode according to the internal different temperature value of cabinet 1, can guarantee to keep comparatively suitable temperature range throughout the cabinet body when weather is hotter in summer, can also avoid opening the fan or the energy waste that strong refrigerating system caused simultaneously always, in addition, when the temperature is lower, can also play certain automatic heat preservation effect.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a multi-mode power distribution cabinet, includes the cabinet body (1), fixes at the support pad foot (3) and the electrical apparatus fixed plate (21) of fixed mounting in the cabinet body (1) inside in cabinet body (1) bottom surface four corners, threading mouth (5), its characterized in that have all been seted up at both ends about the cabinet body (1) one of them lateral wall: the cabinet body (1) top is fixedly connected with a top cover (32), the inside of the top cover (32) is communicated with the cabinet body (1), a circle of strip-shaped ventilation holes (9) are further formed in the side wall of the top cover (32), motor bases (12) are fixedly arranged on the two sides of the inner wall of the top cover (32) top, fans (16) are fixedly arranged at the lower ends of the motor bases (12), a group of fixing supports (18) are fixedly arranged on the two side walls of the upper portion of the inside of the cabinet body (1), fixed insulating heat dissipation plates (28) are fixedly arranged on the fixing supports (18) on each side, a plurality of movable insulating heat dissipation plates (13) are further distributed on the inner side of each fixed insulating heat dissipation plate (28), the movable insulating heat dissipation plates (13) are arranged in a stepped mode with the fixed insulating heat dissipation plates (28), the fixed insulating heat dissipation plates (28) are located at the lowest position, and, the inner walls of the two ends of the top cover (32) are also fixed with hanging brackets (10), the lower ends of the hanging brackets (10) are fixedly hung with electric telescopic rods (11), the wiring end of the electric telescopic rod (11) is electrically connected with an external power supply, the side walls of the outer end parts of the multi-section telescopic rods of the electric telescopic rod (11) are all fixed with connecting arms (14), and the lower ends of the connecting arms (14) are fixed on two sides of the top surface of the opposite movable insulating heat dissipation plate (13), the top surfaces of the movable insulating heat dissipation plate (13) and the fixed insulating heat dissipation plate (28) are fixedly connected with electric heating wires (15) through fixing clamps (27), and a plurality of groups of electric heating wires (15) positioned below the electric telescopic rods (11) at the same side are all formed by mutually connecting a plurality of spiral resistance wires distributed along the width direction in the cabinet body (1), two wiring terminals (30) of the electric heating wire (15) positioned on the same side are electrically connected with an external power supply;
a fourth temperature sensor (4) and a third temperature sensor (8) are further mounted at the lower end part in the cabinet body (1), a first temperature controller is further mounted in the cabinet body (1), the third temperature sensor (8) and the fourth temperature sensor (4) are both electrically connected with the input end of the first temperature controller, and the output end of the first temperature controller is respectively electrically connected with control switches of the electric heating wire (15) and the fan (16);
when the third temperature sensor (8) detects that the temperature in the cabinet body (1) is higher than a preset highest set value, the first temperature controller triggers a control switch of the fan (16) to start, and fans the interior of the cabinet body (1) for heat dissipation until the third temperature sensor (8) detects that the temperature in the cabinet body (1) is lower than the preset lowest set value, and at the moment, the first temperature controller triggers the control switch of the fan (16) to close, and stops the fan; when the fourth temperature sensor (4) detects that the temperature below the cabinet body (1) is lower than the preset lowest set value, the first temperature controller triggers a control switch of the electric heating wire (15) to start, the interior of the cabinet body (1) is heated until the fourth temperature sensor (4) detects that the temperature below the cabinet body (1) is higher than the preset highest set value, and at the moment, the first temperature controller triggers the control switch of the electric heating wire (15) to close, and heating is stopped.
2. The multimode switch board of claim 1, characterized in that: the cabinet body (1) has all seted up one row of bar louvre (24) on the lateral wall of both ends, every bar louvre (24) inner wall all is connected with aviation baffle (25) through the pivot rotation, just the aperture of bar louvre (24) can be adjusted in aviation baffle (25).
3. A multimode switch board according to claim 2, characterized in that: the improved wardrobe is characterized in that a circle of pull rope (7) is distributed on two sides of the air deflector (25), the middle parts of two sides of the air deflector (25) which are diagonally arranged are locked at the corresponding positions of the pull rope (7) through lock catches, the rotary drum (22) is further rotatably mounted on the inner wall of the lower end of the wardrobe body (1) through a fixing frame, threading holes (23) are formed in the upper end and the lower end of the side wall of the wardrobe body (1), the upper end and the lower end of the pull rope (7) penetrate through the threading holes (23) and extend to the inside of the wardrobe body (1), the lower end of the pull rope (7) is detachably clamped on the rotary drum (22), a driving motor is further fixedly mounted in the wardrobe body (1), and the output shaft.
4. A multimode switch board according to claim 3, characterized in that: the top end of the rotary drum (22) is provided with a clamping groove (26), clamping plates (34) are distributed above the clamping groove (26), two ends of each clamping plate (34) are fixedly connected with two ends of the clamping groove (26) through elastic connecting pieces (33), and the pull rope (7) is arranged between each clamping plate (34) and the corresponding clamping groove (26) and clamped and fixed through the elastic force of each elastic connecting piece (33).
5. The multimode switch board of claim 4, characterized in that: a second temperature sensor (6) and a second temperature controller are further installed in the cabinet body (1), the second temperature sensor (6) is connected with the input end of the second temperature controller, the output end of the second temperature controller is electrically connected with a control switch of the driving motor and a control switch of the fan (16) respectively, when the temperature in the cabinet body (1) measured by the third temperature sensor (8) is higher than a preset highest set value, the second temperature controller triggers the control switch of the driving motor to start, and at the moment, the air deflector (25) is completely opened, so that the opening degree of the strip-shaped heat dissipation holes (24) is maximized; when the temperature in the cabinet body (1) measured by the second temperature sensor (6) is lower than the preset highest set value, the second temperature controller drives the motor to control the air deflector (25) to open to incline to 45 degrees, so that the opening degree of the strip-shaped heat dissipation holes (24) is reduced to a half; when the temperature in the cabinet body (1) measured by the second temperature sensor (6) is lower than the preset lowest set value, the second temperature controller controls the driving motor to control the air deflector (25) to be completely closed.
6. A multimode switch board according to claim 5, characterized in that: still install forced refrigeration system (35) in the overhead guard (32), just install first temperature sensor (2) and third temperature controller in the cabinet body (1), just first temperature sensor (2) are connected with third temperature controller input, third temperature controller output is connected with the control switch of forced refrigeration system (35) and the control switch electricity of CD-ROM drive motor, and when first temperature sensor (2) measured the interior temperature of the cabinet body (1) and is higher than its highest setting value that predetermines, the control switch that the third temperature controller triggered forced refrigeration system (35) and CD-ROM drive motor starts, closes aviation baffle (25) completely, carries out the forced refrigeration in the cabinet body (1), until the internal temperature value of cabinet falls to below the lowest setting value that first temperature sensor (2) predetermines.
7. A multimode switch board according to any one of claims 1-6, characterized in that: the movable insulating heat dissipation plate (13) and the fixed insulating heat dissipation plate (28) are specifically high-temperature resistant mica sheets, and a plurality of heat dissipation holes are uniformly and equidistantly formed in the high-temperature resistant mica sheets.
8. A multimode switch board according to any one of claims 1-6, characterized in that: top cowling (32) comprise roof (17), riser (19) that are located roof (17) both sides, swash plate (20) triplex that are located between riser (19) and the cabinet body (1) top lateral wall, and roof (17), riser (19) and swash plate (20) triplex integrated into one piece concatenation form, wherein the length of roof (17) is greater than the length value of the cabinet body (1) for swash plate (20) are towards the structure of the slope of cabinet body (1) lateral wall, ventilation hole (9) evenly distributed is on swash plate (20).
9. A multiple mode switch board according to claim 8, characterized in that: the outer surface of the top plate (17) is of a smooth arc structure, and the height of the smooth arc structure is gradually reduced from the center to the peripheral outer edge.
10. A multimode switch board according to any one of claims 1-6, characterized in that: the outer side of the threading opening (5) is also hermetically connected with a protective bent pipe (31) which is bent downwards, and the threading opening (5) is communicated with the protective bent pipe (31) in a communicating manner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060701.7A CN109888625B (en) | 2019-01-23 | 2019-01-23 | Multi-mode power distribution cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060701.7A CN109888625B (en) | 2019-01-23 | 2019-01-23 | Multi-mode power distribution cabinet |
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| CN109888625A CN109888625A (en) | 2019-06-14 |
| CN109888625B true CN109888625B (en) | 2020-12-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110264642A (en) * | 2019-07-17 | 2019-09-20 | 汉中市汉农人电子商务有限公司 | Express box |
| CN110595522A (en) * | 2019-10-28 | 2019-12-20 | 安徽天康(集团)股份有限公司 | Automatic constant temperature instrument cabinet |
| CN112054395B (en) * | 2020-09-10 | 2022-05-20 | 湖北鸿榕天达科技有限公司 | High-low voltage power distribution cabinet has switch board of ventilative of sensing |
| CN112526403A (en) * | 2020-10-20 | 2021-03-19 | 国网山东省电力公司烟台供电公司 | Distribution transformer monitoring terminal |
| CN113161884A (en) * | 2021-04-25 | 2021-07-23 | 上海滨海电力工程有限公司 | High-voltage power distribution cabinet with temperature adjusting device and temperature adjusting method |
| CN117613737B (en) * | 2024-01-24 | 2024-03-26 | 广州市智馨电气有限公司 | Air-cooled energy-saving power distribution cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3938895A1 (en) * | 1989-04-13 | 1991-05-29 | Karl Jacobi | Pig iron electro heating plate - is suitable for stationary or portable use with new heat surface on rear provided by corrugated metal plate |
| CN201312476Y (en) * | 2008-12-08 | 2009-09-16 | 石家庄国耀电子科技有限公司 | Outdoor base station temperature control device |
| CN203839706U (en) * | 2014-03-31 | 2014-09-17 | 安徽西高电气设备有限公司 | Switch cabinet with built-in far-infrared heating plate |
| CN107591689B (en) * | 2017-09-07 | 2019-08-23 | 合肥虹光电气股份有限公司 | A kind of switchgear with Portable scattered hot plate |
| CN107960016B (en) * | 2017-11-23 | 2019-10-08 | 江苏华鹏智能仪表科技股份有限公司 | A kind of circuit board spray equipment |
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