CN115663629A - Dustproof electric control cabinet capable of reducing series current and working method thereof - Google Patents
Dustproof electric control cabinet capable of reducing series current and working method thereof Download PDFInfo
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- CN115663629A CN115663629A CN202211671381.7A CN202211671381A CN115663629A CN 115663629 A CN115663629 A CN 115663629A CN 202211671381 A CN202211671381 A CN 202211671381A CN 115663629 A CN115663629 A CN 115663629A
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Abstract
The invention discloses a dustproof electric control cabinet for reducing series current, which comprises: the cabinet comprises a cabinet body, wherein a sealing cabinet door is arranged on one side of the cabinet body, a sealing ring is arranged on the edge of the sealing cabinet door, and a protective cabinet door is arranged on the outer side of the sealing cabinet door; the external radiator is arranged on the outer surface of the cabinet body, and a forced cooling device is arranged in the cabinet body; the wire inlet and outlet sealing port is arranged at the bottom of the cabinet body; the element fixing plate is arranged inside the cabinet body, and a mechanical breaker is arranged on the element fixing plate; the working method of the dustproof electric control cabinet is also included; the design of double-deck cabinet door has been adopted on the one hand to through external heat abstractor and cable seal structure, make automatically controlled cabinet be in the encapsulated situation, keep apart dust or suspended solid, avoided potential safety hazards such as generating heat, short circuit, bad contact, blasting, on the other hand has improved temperature measuring device, adopts remote temperature measurement structure, avoids the temperature sensing piece to be heated and damages, influences the data detection, thereby guarantees the safety of automatically controlled cabinet.
Description
Technical Field
The invention belongs to the field of electrical control systems, and particularly relates to a dustproof electric control cabinet capable of reducing series current and a working method thereof.
Background
The electric control cabinet is a device which integrates and assembles switch equipment, a measuring instrument, a protective electric appliance and the like in a closed or semi-closed metal cabinet for convenient operation and protection, is convenient for workers to use and maintain, and is widely applied to the fields of processing and manufacturing, municipal roads, offshore operation, resource acquisition and the like.
However, in factories and peripheries of industries such as mineral products, chemical industry, textile and the like, the service life of the electric control cabinet is generally short, the reason is that suspended matters in such areas exceed the standard, the electric control cabinet quickly accumulates dust and suspended matters, so that the problems of heating, short circuit, poor contact and the like are caused, and meanwhile, the problems of all the electric control cabinets exist, in addition, the suspended metal matters and the dust can even cause power failure and explosion, and the potential safety hazard is large. According to the test, the dustproof ability of the completely-closed space is more than 28 times of that of a standard electric control cabinet structure, but due to the reasons of ventilation requirements, circuit opening, daily switches and the like, the electric control cabinet cannot be completely closed, the cabinet body is thickened in the traditional corresponding method, the cabinet door is not opened as much as possible, a high-power fan is adopted, but for enterprises with suspended matters exceeding the standard, the effect is very little, and the dustproof ability becomes the direction which research and development personnel hope to break through at present.
Therefore, the electric control cabinet is innovated and improved in the application with respect to the problems.
The existing electric control cabinet mainly has the following problems:
1. the problem of deposition exists mostly in present automatically controlled cabinet, and the dust not only can cover the electrical part, still can have suspended metal, perhaps water-soluble hardens, leads to electrical part cluster electricity, contact failure scheduling problem to cause automatically controlled cabinet to damage.
2. The existing electric control cabinet does not have the capability of remotely detecting the temperature, and can only collect temperature data through a temperature sensing element, so that the temperature sensing element is easy to damage, the data is inaccurate, and accidents are induced.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide a dustproof electric control cabinet capable of reducing series current and a working method thereof.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a dustproof electric control cabinet for reducing series current, comprising:
the device comprises a cabinet body, wherein a sealing cabinet door is arranged on one side of the cabinet body, a sealing ring is arranged on the edge of the sealing cabinet door, the sealing ring is matched with the cabinet body, and a protection cabinet door is arranged on the outer side of the sealing cabinet door;
the external radiator is arranged on the outer surface of the cabinet body, the external radiator is arranged on one side of the cabinet body, which is far away from the protective cabinet door, a forced cooling device is arranged in the cabinet body, and the forced cooling device is in sliding contact with the cabinet body;
the wire inlet and outlet sealing port is arranged at the bottom of the cabinet body and penetrates through the cabinet body;
the device comprises a cabinet body, a plurality of element fixing plates and a mechanical breaker, wherein the element fixing plates are arranged and fixed on the cabinet body, and are arranged inside the cabinet body.
The electric control cabinet is arranged by adopting a double-layer cabinet door design, and the electric control cabinet is in a closed state by virtue of the external heat dissipation device and the cable sealing structure, so that dust or suspended matters are isolated, and potential safety hazards such as heating, short circuit, poor contact, burning explosion and the like are avoided.
Meanwhile, the mechanical circuit breakers are matched with the element fixing plates one by one, and local power failure can be realized, so that circuits are quickly separated, other electronic elements are prevented from being damaged, and electric shock caused by careless touch of maintenance personnel is also prevented.
The sealing cabinet door comprises a fixed plate, a movable door plate, a hydraulic rod, a door frame assembly, a circuit box and an extension switch, wherein the fixed plate is arranged in the cabinet body and fixedly arranged on one side in the cabinet body;
the cabinet body is provided with a door frame assembly, and the door frame assembly is matched with the movable door plate;
the movable door plate is provided with a circuit box, the circuit box is connected with the element fixing plate through a lead, the circuit box is provided with extension switches, and the extension switches are arranged in an array.
The sealing cabinet door is arranged, and the hydraulic rod and the magnetic force are used for adsorbing and providing sufficient pressure, so that the movable door plate is pressed with the cabinet body, and sufficient sealing force is provided.
According to the arrangement of the sealed cabinet door, the external switch is additionally arranged on the switch on the electronic element through the circuit box, so that the electric control cabinet is operated without opening the sealed cabinet door, and the dustproof capacity of the electric control cabinet is kept.
The sealing ring comprises a P-shaped sealing ring, dustproof cotton, an arc-shaped batten, a matching enclosing plate and an adsorption magnetic stripe, wherein the arc-shaped batten is arranged at the edge of the movable door panel, the section of the arc-shaped batten is arc-shaped, the matching enclosing plate is arranged on the cabinet body and matched with the arc-shaped batten, the P-shaped sealing ring is arranged on the arc-shaped batten in a surrounding mode and matched with the matching enclosing plate, the dustproof cotton is arranged on the arc-shaped batten in a surrounding mode, and the dustproof cotton and the P-shaped sealing ring are arranged in parallel;
inlay on the cooperation bounding wall and be provided with the absorption magnetic stripe, adsorb the magnetic stripe and adsorb the cooperation with the arc slat.
The sealing ring is arranged, so that the contact area of the movable door panel and the cabinet body is prolonged through the arc-shaped structure, the sealing performance is improved, and meanwhile, two layers of dustproof sealing parts are arranged, so that the flexible sealing is increased, and the phenomenon that the sealing performance is damaged due to the deformation of the movable door panel or the cabinet body is avoided.
The external radiator comprises a heat conduction plate, radiating fins, an anti-collision shell, a ventilating fan and a flow guiding fan, wherein the heat conduction plate is arranged on the outer side of the cabinet body, the radiating fins are arranged on one side, away from the cabinet body, of the heat conduction plate, and the anti-collision shell is coated on the outer side of the radiating fins;
anticollision shell both sides are provided with the ventilating fan, the internal side of cabinet is provided with the water conservancy diversion fan, the water conservancy diversion fan is provided with a plurality ofly, the water conservancy diversion fan is the array and arranges in internal surface of cabinet.
According to the invention, the external radiator is arranged, and the heat dissipation structure is arranged externally through heat exchange, so that heat dissipation holes are prevented from being broken on the cabinet body, and the sealing performance of the electric control cabinet is ensured.
The forced cooling device comprises a first slide rail, a second slide rail, a fixed seat, an air supply pipeline, an air supply fan and a semiconductor refrigeration sheet, wherein the first slide rail is arranged on the inner side of the cabinet body;
the semiconductor refrigeration piece is arranged on the inner surface of the cabinet body, an air supply pipeline is arranged on the semiconductor refrigeration piece and connected to the fixed seat, and the air supply pipeline is a telescopic corrugated pipe;
and an air supply fan is arranged in the air supply pipeline.
The forced cooling device is arranged, so that on one hand, the cooling capacity far exceeding the common heat dissipation capacity is obtained by utilizing the quick cooling capacity of the semiconductor refrigerating sheet, the problem of large heat release generated when an electronic element is overfrequency, overloaded or damaged is solved, the electronic element is protected, the accident influence is reduced, on the other hand, the displacement capacity is provided for the forced cooling device, the structure is reduced, and the cost is reduced.
An inserting groove is formed in one end, close to the semiconductor refrigerating sheet, of the air supply pipeline, the inserting groove is formed in the top of the air supply pipeline, a filter screen is arranged in the inserting groove and inserted into the air supply pipeline, and the bottom of the filter screen is matched with the air supply pipeline.
The output end of the air supply pipeline is provided with a Venturi tube.
The cabinet body is internally provided with a detection head, the detection head comprises a light source, a spherical cover sheet, a light passing hole, a light passing plate, a photosensitive resistor, a reflecting lens and a light folding sheet, the cabinet body is internally provided with the light source, the spherical cover sheet is arranged on the outer side of the light source, the spherical cover sheet covers the light source, and the spherical cover sheet is provided with the light passing hole; a light passing plate is arranged on one side of the spherical cover sheet, and a through hole for light to pass through is formed in the light passing plate;
the element fixing plate is provided with a plurality of reflecting lenses, the reflecting lenses are arranged corresponding to the light passing holes, and the reflecting lenses are provided with light refraction sheets;
the light passing plate is provided with a plurality of photoresistors, and the photoresistors are arranged on one side of the through hole.
The detection head is arranged, and the light path change caused by thermal expansion is utilized, so that a remote temperature measurement structure is realized, the temperature sensing piece is prevented from being damaged by heating and influencing detection data, and the safety of the electric control cabinet is ensured.
The photosensitive resistor is connected with a PLC (programmable logic controller) which is arranged in the cabinet body and connected with a first slide rail, the PLC is connected with a second slide rail, and the PLC is connected with the semiconductor refrigerating sheet.
The PLC controller of the invention can convert the voltage change of the photoresistor into digital signals, thereby operating the forced cooling device.
The PLC controller in the invention can adopt Siemens S7-1500.
In this embodiment, the light emitted from the light source is linearly irradiated onto the reflector through the blocking of the spherical cover sheet and the screening of the light passing holes, and is reflected onto the photoresistor through the reflector; when the electronic element in the cabinet body generates heat greatly, the refraction sheet expands and bends under heat, so that the light path deflects, the photoresistor loses illumination response, and the forced cooling device is controlled to move and work.
The wire inlet and outlet sealing port comprises a wire inlet and outlet box, a threading plate, an isolation box, an overflow prevention net, an overflow prevention glue layer and sealing filler, wherein the wire inlet and outlet box is arranged at the bottom of the cabinet body, one end of the wire inlet and outlet box penetrates out of the cabinet body, and the threading plate is arranged in the wire inlet and outlet box;
the anti-overflow device is characterized in that an isolation box is arranged on one side of the threading plate, an overflow preventing net is arranged on the inner side of the isolation box, the overflow preventing net is arranged on the inner surfaces of two sides of the isolation box, an overflow preventing glue layer is arranged on one side, away from the isolation box, of the overflow preventing net, and sealing filler is arranged on one side, away from the isolation box, of the overflow preventing glue layer.
The arrangement of the wire inlet and outlet sealing port ensures the sealing property of the electric control cabinet by sealing the holes for the cables to enter and exit.
The overflow-preventing net covers the holes on the isolation box in a trimming and laminating mode, and then an overflow-preventing glue layer is coated on the inner side of the overflow-preventing net, so that gaps between the overflow-preventing net and the cable and gaps between the overflow-preventing net and the isolation box are blocked while the overflow-preventing net is combined and shaped.
The sealing filler in the invention adopts sand or sealing oil.
The sealing filler can provide waterproof and moistureproof capabilities, and water vapor generally flows into the bottom layer of the electric control cabinet due to the fact that the water vapor is heavy, so that the structure can prevent the water vapor from invading.
The working method of the dustproof electric control cabinet comprises normal heat dissipation and forced cooling, and specifically comprises the following steps:
the method comprises the following steps: the external radiator radiates heat through the heat exchange principle;
step two: the detection head detects the temperature of each electronic element in the cabinet body, once a certain electronic element is heated up, the refraction sheet is heated and expanded to cause the change of a light path, the photosensitive resistor loses light irradiation to cause the change of resistance, and the PLC controller controls the fixing seat to move and starts the semiconductor refrigerating sheet to be rapidly cooled according to the change of voltage.
The fire-proof box is arranged at the top of the cabinet body and comprises a dry powder storage box, a second photosensitive resistor, an electric control valve, a powder scattering cone and a failure switch, the dry powder storage box is arranged at the top of the cabinet body, the electric control valve is arranged at the bottom of the dry powder storage box, and the powder scattering cone is arranged at the bottom of the electric control valve; the electric control valve is connected with a second photosensitive resistor which is arranged at the bottom of the powder scattering cone; the electronic control valve is connected with a failure switch, the failure switch is arranged on the sealing cabinet door and is connected with the second photoresistor in series, and the failure switch is a proximity switch.
According to the fireproof box, open fire and electric arc when an accident occurs to an electronic element are used as detection bases, compared with the traditional mode of temperature detection, the fireproof box can respond in advance, the accident expansion is avoided, meanwhile, the fireproof box is closed, a cabinet door structure does not need to be opened, the premise of using light detection can be provided, the cabinet door is made to fail by using a failure switch, and the false detection is avoided.
The fireproof box is arranged by adopting the dry powder, so that the fireproof box accords with the selection of early-stage fire and electric appliance fire on one hand, can volatilize, does not remain to influence the work of electronic elements, and is convenient to clean and use continuously.
When short circuit or explosion occurs, the temperature in the cabinet body is not increased, but spark or open fire occurs, the second photosensitive resistor responds to light irradiation to open the electric control valve, so that the dry powder is diffused by the powder scattering cone to cover the electronic element, and the electronic element is prevented from being in contact with oxygen to enlarge the accident range; meanwhile, when the sealed cabinet door is normally opened, the failure switch is switched off, and the second photoresistor does not work.
The technical scheme shows that the invention has the following beneficial effects:
1. according to the dustproof electric control cabinet capable of reducing the series current and the working method thereof, the design of a double-layer cabinet door is adopted, and the external heat dissipation device and the cable sealing structure are adopted, so that the electric control cabinet is in a closed state, dust or suspended matters are isolated, and potential safety hazards such as heating, short circuit, poor contact, explosion and the like are avoided.
2. According to the dustproof electric control cabinet capable of reducing series current and the working method thereof, the remote temperature measurement structure is realized by utilizing the light path change caused by thermal expansion, the temperature sensing piece is prevented from being damaged by heating, and the detection data is prevented from being influenced, so that the safety of the electric control cabinet is ensured.
Drawings
FIG. 1 is a schematic side view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the overall structure of the present invention;
FIG. 3 is a schematic sectional view of a top view of the door of the sealed cabinet of the present invention;
FIG. 4 is a schematic cross-sectional view of a top view of the external heat sink of the present invention;
FIG. 5 is a schematic structural view of a forced cooling apparatus according to the present invention;
FIG. 6 is a schematic diagram of the working structure of the detection head of the present invention;
FIG. 7 is a schematic structural diagram of a light passing plate according to the present invention;
FIG. 8 is a schematic structural diagram of a reflector according to the present invention;
FIG. 9 is a schematic structural view of the wire inlet/outlet seal of the present invention;
FIG. 10 is a schematic view of the structure of the fire-resistant box of the present invention;
in the figure: the device comprises a cabinet body-1, a sealing cabinet door-2, a fixed plate-21, a movable door plate-22, a hydraulic rod-23, a door frame assembly-24, a circuit box-25, an extension switch-26, a protective cabinet door-3, a sealing ring-4, a P-shaped sealing ring-41, dustproof cotton-42, an arc-shaped strip-43, a matching coaming-44, an adsorption magnetic stripe-45, an external radiator-5, a heat conducting plate-51, a radiating fin-52, an anti-collision shell-53, a ventilating fan-54, a flow guiding fan-55, a forced cooling device-6, a first sliding rail-61, a second sliding rail-62, a fixed seat-63, an air supply pipeline-64, an air supply fan-65, a semiconductor refrigerating sheet-66, a detection head-67, a light source-671, a ball cover sheet-672, a light passing hole-673, a light passing plate 674-675, a photoresistor-676, a refraction lens-677, a PLC controller-678, a wire inlet and outlet-7, a wire box-71, an isolation box-72, an isolation box-73, an overflow blocking screen-74, a mechanical overflow blocking screen-75-9-8-sealant.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Example 1
As shown in fig. 1 to 10, the dustproof electric control cabinet for reducing the series current comprises:
the cabinet comprises a cabinet body 1, wherein a sealing cabinet door 2 is arranged on one side of the cabinet body 1, a sealing ring 4 is arranged at the edge of the sealing cabinet door 2, the sealing ring 4 is matched with the cabinet body 1, and a protection cabinet door 3 is arranged on the outer side of the sealing cabinet door 2;
the external radiator 5 is arranged on the outer surface of the cabinet body 1, the external radiator 5 is arranged on one side, away from the protective cabinet door 3, of the cabinet body 1, a forced cooling device 6 is arranged in the cabinet body 1, and the forced cooling device 6 is in sliding contact with the cabinet body 1;
the wire inlet and outlet sealing port 7 is arranged at the bottom of the cabinet body 1, and the wire inlet and outlet sealing port 7 penetrates through the cabinet body 1;
the cabinet comprises a cabinet body 1, a component fixing plate 8 and a plurality of circuit breakers, wherein the component fixing plate 8 is arranged inside the cabinet body 1, the component fixing plate 8 is fixed on the cabinet body 1 in a arrayed mode, the component fixing plate 8 is provided with a mechanical circuit breaker 9, and the mechanical circuit breaker 9 is arranged in a matched mode with the component fixing plate 8.
The sealing cabinet door 2 in this embodiment includes a fixed plate 21, a movable door panel 22, a hydraulic rod 23, a door frame assembly 24, a circuit box 25 and an extension switch 26, the fixed plate 21 is disposed inside the cabinet body 1, the fixed plate 21 is fixedly disposed on one side inside the cabinet body 1, the movable door panel 22 is disposed on the fixed plate 21, the movable door panel 22 is hinged to the fixed plate 21, the hydraulic rod 23 is disposed on one side of the movable door panel 22, one end of the hydraulic rod 23 is hinged to the fixed plate 21, and the other end of the hydraulic rod 23 is hinged to the movable door panel 22;
a door frame assembly 24 is arranged on the cabinet body 1, and the door frame assembly 24 is matched with the movable door panel 22;
the movable door panel 22 is provided with a circuit box 25, the circuit box 25 is connected with the component fixing plate 8 through a lead, the circuit box 25 is provided with extension switches 26, and the extension switches 26 are arranged in an array.
The sealing ring 4 in this embodiment includes a P-shaped sealing ring 41, dustproof cotton 42, an arc-shaped slat 43, a matching coaming 44 and an adsorption magnetic stripe 45, the arc-shaped slat 43 is disposed at the edge of the movable door panel 22, the cross section of the arc-shaped slat 43 is arc-shaped, the cabinet body 1 is provided with the matching coaming 44, the matching coaming 44 is matched with the arc-shaped slat 43, the P-shaped sealing ring 41 is arranged on the arc-shaped slat 43 in a surrounding manner, the P-shaped sealing ring 41 is matched with the matching coaming 44, the dustproof cotton 42 is arranged on the arc-shaped slat 43 in a surrounding manner, and the dustproof cotton 42 and the P-shaped sealing ring 41 are arranged in parallel;
inlay on the cooperation bounding wall 44 and be provided with and adsorb magnetic stripe 45, adsorb magnetic stripe 45 and arc slat 43 absorption cooperation.
The external radiator 5 in the embodiment includes a heat conducting plate 51, heat radiating fins 52, an anti-collision shell 53, a ventilating fan 54 and a flow guiding fan 55, the heat conducting plate 51 is arranged outside the cabinet body 1, the heat radiating fins 52 are arranged on one side of the heat conducting plate 51 far away from the cabinet body 1, and the anti-collision shell 53 is coated outside the heat radiating fins 52;
In this embodiment, the forced cooling device 6 includes a first slide rail 61, a second slide rail 62, a fixing seat 63, a blowing duct 64, a blowing fan 65, and a semiconductor cooling plate 66, the first slide rail 61 is disposed on the inner side of the cabinet 1, the second slide rail 62 is slidably disposed on the first slide rail 61, the second slide rail 62 is perpendicular to the first slide rail 61, and the fixing seat 63 is slidably disposed on the second slide rail 62;
the inner surface of the cabinet body 1 is provided with a semiconductor refrigeration sheet 66, the semiconductor refrigeration sheet 66 is provided with an air supply pipeline 64, the air supply pipeline 64 is connected to the fixed seat 63, and the air supply pipeline 64 is a telescopic corrugated pipe;
a blowing fan 65 is provided in the blowing duct 64.
The cabinet body 1 in this embodiment is internally provided with a detection head 67, the detection head 67 includes a light source 671, a spherical cover sheet 672, a light passing hole 673, a light passing plate 674, a photoresistor 675, a reflector 676 and a light folding sheet 677, the cabinet body 1 is internally provided with the light source 671, the outer side of the light source 671 is provided with the spherical cover sheet 672, the spherical cover sheet 672 covers the light source 671, and the spherical cover sheet 672 is provided with the light passing hole 673; a light passing plate 674 is arranged on one side of the spherical cover sheet 672, and through holes for light to pass through are formed in the light passing plate 674;
a plurality of reflecting lenses 676 are arranged on the element fixing plate 8, the reflecting lenses 676 are arranged corresponding to the light passing holes 673, and the reflecting lenses 676 are provided with light refraction sheets 677;
the light passing plate 674 is provided with a plurality of photoresistors 675, and the photoresistors 675 are arranged on one side of the through hole.
The photo resistance 675 connection in this embodiment be provided with PLC controller 678, PLC controller 678 sets up in the cabinet body 1, first slide rail 61 is connected to PLC controller 678, second slide rail 62 is connected to PLC controller 678, semiconductor refrigeration piece 66 is connected to PLC controller 678.
The wire inlet and outlet sealing port 7 in the embodiment comprises a wire inlet and outlet box 71, a threading plate 72, an isolation box 73, an anti-overflow net 74, an anti-overflow glue layer 75 and sealing filler 76, wherein the wire inlet and outlet box 71 is arranged at the bottom of the cabinet body 1, one end of the wire inlet and outlet box 71 penetrates through the cabinet body 1, and the threading plate 72 is arranged in the wire inlet and outlet box 71;
an isolation box 73 is arranged on one side of the threading plate 72, an overflow preventing net 74 is arranged on the inner side of the isolation box 73, the overflow preventing net 74 is arranged on the inner surfaces of two sides of the isolation box 73, an overflow preventing glue layer 75 is arranged on one side of the overflow preventing net 74 far away from the isolation box 73, and a sealing filler 76 is arranged on one side of the overflow preventing glue layer 75 far away from the isolation box 73.
The seal packing 76 described in this embodiment uses sand or seal oil.
The working method of the dustproof electric control cabinet in the embodiment comprises normal heat dissipation and forced cooling, and specifically comprises the following steps:
the method comprises the following steps: the external radiator 5 radiates heat through the heat exchange principle;
step two: the detection head 67 detects the temperature of each electronic component in the cabinet body 1, once a certain electronic component is heated up, the refraction sheet 677 is heated and expanded to cause the change of a light path, the photoresistor 675 loses the light irradiation to cause the change of resistance, and the PLC 678 controls the fixing seat 63 to move and starts the semiconductor refrigeration sheet 66 to be rapidly cooled according to the voltage change.
Example 2
As shown in fig. 1 and fig. 3, the dustproof electric control cabinet for reducing series current comprises:
the cabinet comprises a cabinet body 1, wherein a sealing cabinet door 2 is arranged on one side of the cabinet body 1, a sealing ring 4 is arranged on the edge of the sealing cabinet door 2, the sealing ring 4 is matched with the cabinet body 1, and a protection cabinet door 3 is arranged on the outer side of the sealing cabinet door 2;
the external radiator 5 is arranged on the outer surface of the cabinet body 1, the external radiator 5 is arranged on one side, away from the protective cabinet door 3, of the cabinet body 1, a forced cooling device 6 is arranged in the cabinet body 1, and the forced cooling device 6 is in sliding contact with the cabinet body 1;
the wire inlet and outlet sealing port 7 is arranged at the bottom of the cabinet body 1, and the wire inlet and outlet sealing port 7 penetrates through the cabinet body 1;
the cabinet comprises a cabinet body 1, a component fixing plate 8 and a plurality of circuit breakers, wherein the component fixing plate 8 is arranged inside the cabinet body 1, the component fixing plate 8 is fixed on the cabinet body 1 in a arrayed mode, the component fixing plate 8 is provided with a mechanical circuit breaker 9, and the mechanical circuit breaker 9 is arranged in a matched mode with the component fixing plate 8.
The sealing cabinet door 2 in this embodiment includes a fixed plate 21, a movable door panel 22, a hydraulic rod 23, a door frame assembly 24, a circuit box 25 and an extension switch 26, the fixed plate 21 is disposed inside the cabinet body 1, the fixed plate 21 is fixedly disposed on one side inside the cabinet body 1, the movable door panel 22 is disposed on the fixed plate 21, the movable door panel 22 is hinged to the fixed plate 21, the hydraulic rod 23 is disposed on one side of the movable door panel 22, one end of the hydraulic rod 23 is hinged to the fixed plate 21, and the other end of the hydraulic rod 23 is hinged to the movable door panel 22;
a door frame assembly 24 is arranged on the cabinet body 1, and the door frame assembly 24 is matched with the movable door panel 22;
the movable door panel 22 is provided with a circuit box 25, the circuit box 25 is connected with the component fixing plate 8 through a lead, the circuit box 25 is provided with extension switches 26, and the extension switches 26 are arranged in an array.
The sealing ring 4 in this embodiment includes a P-shaped sealing ring 41, dustproof cotton 42, an arc-shaped slat 43, a matching coaming 44 and an adsorption magnetic stripe 45, the arc-shaped slat 43 is disposed at the edge of the movable door panel 22, the cross section of the arc-shaped slat 43 is arc-shaped, the cabinet body 1 is provided with the matching coaming 44, the matching coaming 44 is matched with the arc-shaped slat 43, the P-shaped sealing ring 41 is arranged on the arc-shaped slat 43 in a surrounding manner, the P-shaped sealing ring 41 is matched with the matching coaming 44, the dustproof cotton 42 is arranged on the arc-shaped slat 43 in a surrounding manner, and the dustproof cotton 42 and the P-shaped sealing ring 41 are arranged in parallel;
inlay on the cooperation bounding wall 44 and be provided with and adsorb magnetic stripe 45, adsorb magnetic stripe 45 and arc slat 43 absorption cooperation.
Example 3
As shown in fig. 1 and 4, the dustproof electric control cabinet for reducing the series current comprises:
the cabinet comprises a cabinet body 1, wherein a sealing cabinet door 2 is arranged on one side of the cabinet body 1, a sealing ring 4 is arranged on the edge of the sealing cabinet door 2, the sealing ring 4 is matched with the cabinet body 1, and a protection cabinet door 3 is arranged on the outer side of the sealing cabinet door 2;
the external radiator 5 is arranged on the outer surface of the cabinet body 1, the external radiator 5 is arranged on one side, away from the protective cabinet door 3, of the cabinet body 1, a forced cooling device 6 is arranged in the cabinet body 1, and the forced cooling device 6 is in sliding contact with the cabinet body 1;
the wire inlet and outlet sealing port 7 is arranged at the bottom of the cabinet body 1, and the wire inlet and outlet sealing port 7 penetrates through the cabinet body 1;
the cabinet comprises a cabinet body 1, a component fixing plate 8 and a plurality of circuit breakers, wherein the component fixing plate 8 is arranged inside the cabinet body 1, the component fixing plate 8 is fixed on the cabinet body 1 in a arrayed mode, the component fixing plate 8 is provided with a mechanical circuit breaker 9, and the mechanical circuit breaker 9 is arranged in a matched mode with the component fixing plate 8.
The external radiator 5 in the embodiment includes a heat conducting plate 51, heat radiating fins 52, an anti-collision shell 53, a ventilating fan 54 and a flow guiding fan 55, the heat conducting plate 51 is arranged outside the cabinet body 1, the heat radiating fins 52 are arranged on one side of the heat conducting plate 51 far away from the cabinet body 1, and the anti-collision shell 53 is coated outside the heat radiating fins 52;
Example 4
As shown in fig. 1 and fig. 5 to 8, the dustproof electric control cabinet for reducing series current comprises:
the cabinet comprises a cabinet body 1, wherein a sealing cabinet door 2 is arranged on one side of the cabinet body 1, a sealing ring 4 is arranged on the edge of the sealing cabinet door 2, the sealing ring 4 is matched with the cabinet body 1, and a protection cabinet door 3 is arranged on the outer side of the sealing cabinet door 2;
the external radiator 5 is arranged on the outer surface of the cabinet body 1, the external radiator 5 is arranged on one side, away from the protective cabinet door 3, of the cabinet body 1, a forced cooling device 6 is arranged in the cabinet body 1, and the forced cooling device 6 is in sliding contact with the cabinet body 1;
the wire inlet and outlet sealing port 7 is arranged at the bottom of the cabinet body 1, and the wire inlet and outlet sealing port 7 penetrates through the cabinet body 1;
the cabinet comprises a cabinet body 1, a component fixing plate 8 and a plurality of circuit breakers, wherein the component fixing plate 8 is arranged inside the cabinet body 1, the component fixing plate 8 is fixed on the cabinet body 1 in a arrayed mode, the component fixing plate 8 is provided with a mechanical circuit breaker 9, and the mechanical circuit breaker 9 is arranged in a matched mode with the component fixing plate 8.
In this embodiment, the forced cooling device 6 includes a first slide rail 61, a second slide rail 62, a fixing seat 63, a blowing duct 64, a blowing fan 65, and a semiconductor cooling plate 66, the first slide rail 61 is disposed on the inner side of the cabinet 1, the second slide rail 62 is slidably disposed on the first slide rail 61, the second slide rail 62 is perpendicular to the first slide rail 61, and the fixing seat 63 is slidably disposed on the second slide rail 62;
the inner surface of the cabinet body 1 is provided with a semiconductor refrigeration sheet 66, the semiconductor refrigeration sheet 66 is provided with an air supply pipeline 64, the air supply pipeline 64 is connected to the fixed seat 63, and the air supply pipeline 64 is a telescopic corrugated pipe;
a blowing fan 65 is provided in the blowing duct 64.
In this embodiment, an insertion groove is formed in one end, close to the semiconductor refrigeration piece, of the air supply pipeline, the insertion groove is formed in the top of the air supply pipeline, a filter screen is arranged in the insertion groove, the filter screen is inserted into the air supply pipeline, and the bottom of the filter screen is matched with the air supply pipeline.
The output end of the air supply pipeline in the embodiment is provided with a Venturi tube.
The cabinet body 1 in this embodiment is internally provided with a detection head 67, the detection head 67 includes a light source 671, a spherical cover sheet 672, a light passing hole 673, a light passing plate 674, a photoresistor 675, a reflector 676 and a light folding sheet 677, the cabinet body 1 is internally provided with the light source 671, the outer side of the light source 671 is provided with the spherical cover sheet 672, the spherical cover sheet 672 covers the light source 671, and the spherical cover sheet 672 is provided with the light passing hole 673; a light passing plate 674 is arranged on one side of the spherical shade sheet 672, and a through hole for light to pass through is formed in the light passing plate 674;
a plurality of reflecting lenses 676 are arranged on the element fixing plate 8, the reflecting lenses 676 are arranged corresponding to the light passing holes 673, and the reflecting lenses 676 are provided with light refraction sheets 677;
the light passing plate 674 is provided with a plurality of photo resistors 675, and the photo resistors 675 are arranged on one side of the through hole.
In the embodiment, the light emitted by the light source 671 is linearly irradiated onto the reflective mirror 676 through the blocking of the spherical cover sheet 672 and the screening of the light passing hole 673, and is reflected onto the photosensitive resistor 675 through the reflective mirror 676; when the electronic components in the cabinet body 1 generate heat greatly, the refraction sheet 677 expands and bends under heat, so that the light path deflects, the photoresistor 675 loses the illumination response, and the forced cooling device 6 is controlled to move and work.
Example 5
As shown in fig. 2 and fig. 9, the dustproof electric control cabinet for reducing the series current comprises:
the cabinet comprises a cabinet body 1, wherein a sealing cabinet door 2 is arranged on one side of the cabinet body 1, a sealing ring 4 is arranged on the edge of the sealing cabinet door 2, the sealing ring 4 is matched with the cabinet body 1, and a protection cabinet door 3 is arranged on the outer side of the sealing cabinet door 2;
the external radiator 5 is arranged on the outer surface of the cabinet body 1, the external radiator 5 is arranged on one side, away from the protective cabinet door 3, of the cabinet body 1, a forced cooling device 6 is arranged in the cabinet body 1, and the forced cooling device 6 is in sliding contact with the cabinet body 1;
the wire inlet and outlet sealing port 7 is arranged at the bottom of the cabinet body 1, and the wire inlet and outlet sealing port 7 penetrates through the cabinet body 1;
the cabinet comprises a cabinet body 1, a component fixing plate 8 and a plurality of circuit breakers, wherein the component fixing plate 8 is arranged inside the cabinet body 1, the component fixing plate 8 is fixed on the cabinet body 1 in a arrayed mode, the component fixing plate 8 is provided with a mechanical circuit breaker 9, and the mechanical circuit breaker 9 is arranged in a matched mode with the component fixing plate 8.
The wire inlet and outlet sealing port 7 in the embodiment comprises a wire inlet and outlet box 71, a threading plate 72, an isolation box 73, an anti-overflow net 74, an anti-overflow glue layer 75 and sealing filler 76, wherein the wire inlet and outlet box 71 is arranged at the bottom of the cabinet body 1, one end of the wire inlet and outlet box 71 penetrates through the cabinet body 1, and the threading plate 72 is arranged in the wire inlet and outlet box 71;
an isolation box 73 is arranged on one side of the threading plate 72, an overflow preventing net 74 is arranged on the inner side of the isolation box 73, the overflow preventing net 74 is arranged on the inner surfaces of two sides of the isolation box 73, an overflow preventing glue layer 75 is arranged on one side of the overflow preventing net 74 far away from the isolation box 73, and a sealing filler 76 is arranged on one side of the overflow preventing glue layer 75 far away from the isolation box 73.
The seal packing 76 described in this embodiment uses sand or seal oil.
Example 5
As shown in fig. 1 and 10, the dustproof electric control cabinet for reducing the series current comprises:
the cabinet comprises a cabinet body 1, wherein a sealing cabinet door 2 is arranged on one side of the cabinet body 1, a sealing ring 4 is arranged on the edge of the sealing cabinet door 2, the sealing ring 4 is matched with the cabinet body 1, and a protection cabinet door 3 is arranged on the outer side of the sealing cabinet door 2;
the external radiator 5 is arranged on the outer surface of the cabinet body 1, the external radiator 5 is arranged on one side, away from the protective cabinet door 3, of the cabinet body 1, a forced cooling device 6 is arranged in the cabinet body 1, and the forced cooling device 6 is in sliding contact with the cabinet body 1;
the wire inlet and outlet sealing port 7 is arranged at the bottom of the cabinet body 1, and the wire inlet and outlet sealing port 7 penetrates through the cabinet body 1;
the device comprises a cabinet body 1, a plurality of element fixing plates 8 and a mechanical breaker 9, wherein the element fixing plates 8 are arranged and fixed on the cabinet body 1, and the mechanical breaker 9 is arranged on the element fixing plates 8 and matched with the element fixing plates 8.
In the embodiment, the top of the cabinet body is provided with a fireproof box, the fireproof box comprises a dry powder storage box, a second photoresistor, an electric control valve, a powder scattering cone and a failure switch, the top of the cabinet body is provided with the dry powder storage box, the bottom of the dry powder storage box is provided with the electric control valve, and the bottom of the electric control valve is provided with the powder scattering cone; the electric control valve is connected with a second photosensitive resistor which is arranged at the bottom of the powder scattering cone; the electronic control valve is connected with a failure switch, the failure switch is arranged on the sealing cabinet door and is connected with the second photoresistor in series, and the failure switch is a proximity switch.
When short circuit or explosion occurs, the temperature in the cabinet body 1 is not increased, but spark or open fire occurs, the second photosensitive resistor responds to light irradiation to open the electric control valve, so that the dry powder is diffused by the powder scattering cone to cover the electronic element, and the electronic element is prevented from contacting with oxygen to enlarge the accident range; meanwhile, when the sealing cabinet door 2 is normally opened, the failure switch is switched off, and the second photoresistor does not work.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a reduce automatically controlled cabinet that prevents dust of electricity, its characterized in that: the method comprises the following steps:
the cabinet comprises a cabinet body (1), wherein a sealing cabinet door (2) is arranged on one side of the cabinet body (1), a sealing ring (4) is arranged on the edge of the sealing cabinet door (2), the sealing ring (4) is matched with the cabinet body (1), and a protective cabinet door (3) is arranged on the outer side of the sealing cabinet door (2);
the external radiator (5) is arranged on the outer surface of the cabinet body (1), the external radiator (5) is arranged on one side, away from the protective cabinet door (3), of the cabinet body (1), a forced cooling device (6) is arranged in the cabinet body (1), and the forced cooling device (6) is in sliding contact with the cabinet body (1);
the wire inlet and outlet sealing port (7) is arranged at the bottom of the cabinet body (1), and the wire inlet and outlet sealing port (7) penetrates through the cabinet body (1);
the cabinet comprises a cabinet body (1), an element fixing plate (8) arranged inside the cabinet body (1), wherein the element fixing plate (8) is provided with a plurality of parts, the element fixing plate (8) is arranged and fixed on the cabinet body (1), a mechanical breaker (9) is arranged on the element fixing plate (8), and the mechanical breaker (9) is matched with the element fixing plate (8) for arrangement.
2. The dustproof electric control cabinet capable of reducing the electric series connection according to claim 1, characterized in that: the sealing cabinet door (2) comprises a fixed plate (21), a movable door plate (22), a hydraulic rod (23), a door frame assembly (24), a circuit box (25) and an extension switch (26), wherein the fixed plate (21) is arranged inside the cabinet body (1), the fixed plate (21) is fixedly arranged on one side inside the cabinet body (1), the movable door plate (22) is arranged on the fixed plate (21), the movable door plate (22) is hinged to the fixed plate (21), the hydraulic rod (23) is arranged on one side of the movable door plate (22), one end of the hydraulic rod (23) is hinged to the fixed plate (21), and the other end of the hydraulic rod (23) is hinged to the movable door plate (22);
a door frame assembly (24) is arranged on the cabinet body (1), and the door frame assembly (24) is matched with the movable door panel (22);
the movable door plate (22) is provided with a circuit box (25), the circuit box (25) is connected with the element fixing plate (8) through a lead, the circuit box (25) is provided with extension switches (26), and the extension switches (26) are arranged in an array.
3. The dustproof electric control cabinet capable of reducing the electric series connection according to claim 2, characterized in that: the sealing ring (4) comprises a P-shaped sealing ring (41), dustproof cotton (42), arc-shaped strips (43), a matching coaming (44) and an adsorption magnetic strip (45), the arc-shaped strips (43) are arranged at the edge of the movable door panel (22), the cross section of each arc-shaped strip (43) is arc-shaped, the matching coaming (44) is arranged on the cabinet body (1), the matching coaming (44) is matched with the arc-shaped strips (43), the P-shaped sealing ring (41) is arranged on each arc-shaped strip (43) in a surrounding mode, the P-shaped sealing ring (41) is matched with the matching coaming (44), the dustproof cotton (42) is arranged on each arc-shaped strip (43) in a surrounding mode, and the dustproof cotton (42) and the P-shaped sealing ring (41) are arranged in parallel;
inlay on cooperation bounding wall (44) and be provided with and adsorb magnetic stripe (45), adsorb magnetic stripe (45) and arc slat (43) absorption cooperation.
4. The dustproof electric control cabinet capable of reducing the electric series connection according to claim 1, characterized in that: the external radiator (5) comprises a heat conduction plate (51), heat dissipation fins (52), an anti-collision shell (53), a ventilation fan (54) and a flow guiding fan (55), wherein the heat conduction plate (51) is arranged on the outer side of the cabinet body (1), the heat dissipation fins (52) are arranged on one side, away from the cabinet body (1), of the heat conduction plate (51), and the anti-collision shell (53) is coated on the outer side of the heat dissipation fins (52);
anticollision shell (53) both sides are provided with ventilating fan (54), the cabinet body (1) inboard is provided with water conservancy diversion fan (55), water conservancy diversion fan (55) are provided with a plurality ofly, water conservancy diversion fan (55) are the array and arrange in the cabinet body (1) internal surface.
5. The dustproof electric control cabinet capable of reducing the electric series connection according to claim 1, characterized in that: the forced cooling device (6) comprises a first slide rail (61), a second slide rail (62), a fixed seat (63), an air supply pipeline (64), an air supply fan (65) and a semiconductor refrigerating sheet (66), wherein the first slide rail (61) is arranged on the inner side of the cabinet body (1), the second slide rail (62) is arranged on the first slide rail (61) in a sliding manner, the second slide rail (62) is perpendicular to the first slide rail (61), and the fixed seat (63) is arranged on the second slide rail (62) in a sliding manner;
the inner surface of the cabinet body (1) is provided with a semiconductor refrigeration sheet (66), an air supply pipeline (64) is arranged on the semiconductor refrigeration sheet (66), the air supply pipeline (64) is connected to the fixed seat (63), and the air supply pipeline (64) adopts a telescopic corrugated pipe;
and an air supply fan (65) is arranged in the air supply pipeline (64).
6. The dustproof electric control cabinet capable of reducing the electric series connection according to claim 5, characterized in that: the detection device is characterized in that a detection head (67) is arranged in the cabinet body (1), the detection head (67) comprises a light source (671), a ball cover sheet (672), a light passing hole (673), a light passing plate (674), a photoresistor (675), a reflector (676) and a refraction sheet (677), the light source (671) is arranged in the cabinet body (1), the ball cover sheet (672) is arranged on the outer side of the light source (671), the light source (671) is coated by the ball cover sheet (672), and the light passing hole (673) is arranged on the ball cover sheet (672); a light passing plate (674) is arranged on one side of the spherical cover sheet (672), and a through hole for light to pass through is formed in the light passing plate (674);
the element fixing plate (8) is provided with a plurality of reflection lenses (676), the reflection lenses (676) are arranged correspondingly to the light passing holes (673), and the reflection lenses (676) are provided with light refraction sheets (677);
the light passing plate (674) is provided with a plurality of photoresistors (675), and the photoresistors (675) are arranged on one side of the through hole.
7. The dustproof electric control cabinet capable of reducing the electric series connection according to claim 6, characterized in that: photo resistance (675) connect and be provided with PLC controller (678), PLC controller (678) sets up in cabinet body (1), first slide rail (61) is connected in PLC controller (678), second slide rail (62) is connected in PLC controller (678), semiconductor refrigeration piece (66) is connected in PLC controller (678).
8. The dustproof electric control cabinet capable of reducing the electric series connection according to claim 1, characterized in that: the incoming and outgoing line sealing port (7) comprises an incoming and outgoing line box (71), a threading plate (72), an isolation box (73), an overflow prevention net (74), an overflow prevention glue layer (75) and sealing packing (76), the bottom of the cabinet body (1) is provided with the incoming and outgoing line box (71), one end of the incoming and outgoing line box (71) penetrates out of the cabinet body (1), and the threading plate (72) is arranged in the incoming and outgoing line box (71);
the anti-overflow device is characterized in that an isolation box (73) is arranged on one side of the threading plate (72), an overflow preventing net (74) is arranged on the inner side of the isolation box (73), the overflow preventing net (74) is arranged on the inner surfaces of two sides of the isolation box (73), an overflow preventing glue layer (75) is arranged on one side, away from the isolation box (73), of the overflow preventing net (74), and a sealing filler (76) is arranged on one side, away from the isolation box (73), of the overflow preventing glue layer (75).
9. The dustproof electric control cabinet capable of reducing crosstalk according to claim 8, characterized in that: the sealing filler (76) adopts sand or sealing oil.
10. The working method of the dustproof electric control cabinet capable of reducing the electric series connection according to claim 7, comprising normal heat dissipation and forced cooling, and is characterized in that: the method specifically comprises the following steps:
the method comprises the following steps: the external radiator (5) radiates heat by a heat exchange principle;
step two: the detection head (67) detects the temperature of each electronic element in the cabinet body (1), once a certain electronic element is heated, the refraction sheet (677) is heated and expanded to cause the change of a light path, the photoresistor (675) loses light irradiation to cause the change of resistance, and the PLC controller (678) controls the fixing seat (63) to move and starts the semiconductor refrigeration sheet (66) to be rapidly cooled according to the change of voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211671381.7A CN115663629B (en) | 2022-12-26 | 2022-12-26 | Dustproof electric control cabinet capable of reducing series current and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211671381.7A CN115663629B (en) | 2022-12-26 | 2022-12-26 | Dustproof electric control cabinet capable of reducing series current and working method thereof |
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| Publication Number | Publication Date |
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| CN115663629A true CN115663629A (en) | 2023-01-31 |
| CN115663629B CN115663629B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211671381.7A Active CN115663629B (en) | 2022-12-26 | 2022-12-26 | Dustproof electric control cabinet capable of reducing series current and working method thereof |
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| Country | Link |
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| CN (1) | CN115663629B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211981328U (en) * | 2020-05-25 | 2020-11-20 | 上海华坤电器有限公司 | Unbalanced three phase administers device based on DSP digital processing ware |
| CN212086721U (en) * | 2020-06-01 | 2020-12-04 | 海南核电有限公司 | Take overload protection's sealed cabinet |
| CN113708234A (en) * | 2021-09-02 | 2021-11-26 | 安徽施耐德成套电气有限公司 | Protective equipment for outdoor low-voltage power distribution cabinet |
-
2022
- 2022-12-26 CN CN202211671381.7A patent/CN115663629B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211981328U (en) * | 2020-05-25 | 2020-11-20 | 上海华坤电器有限公司 | Unbalanced three phase administers device based on DSP digital processing ware |
| CN212086721U (en) * | 2020-06-01 | 2020-12-04 | 海南核电有限公司 | Take overload protection's sealed cabinet |
| CN113708234A (en) * | 2021-09-02 | 2021-11-26 | 安徽施耐德成套电气有限公司 | Protective equipment for outdoor low-voltage power distribution cabinet |
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| Publication number | Publication date |
|---|---|
| CN115663629B (en) | 2023-03-17 |
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