CN114498412A - Low-voltage electrical cabinet with built-in overheat protection mechanism - Google Patents
Low-voltage electrical cabinet with built-in overheat protection mechanism Download PDFInfo
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- CN114498412A CN114498412A CN202210402089.9A CN202210402089A CN114498412A CN 114498412 A CN114498412 A CN 114498412A CN 202210402089 A CN202210402089 A CN 202210402089A CN 114498412 A CN114498412 A CN 114498412A
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- filter screen
- electrical cabinet
- cabinet body
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims abstract description 5
- 239000002985 plastic film Substances 0.000 claims description 22
- 229920006255 plastic film Polymers 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000013021 overheating Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 18
- 239000000110 cooling liquid Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Casings For Electric Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a low-voltage electrical cabinet with a built-in overheating protection mechanism, which comprises a cabinet body shell, wherein a first filter screen plate is fixedly welded on the cabinet body shell, an opening and closing assembly is arranged in the cabinet body shell, a second filter screen plate is fixedly welded in the cabinet body shell, a smoke sensor and a heat dissipation fire extinguishing assembly are arranged on the second filter screen plate, the heat dissipation fire extinguishing assembly is connected with a cooling assembly, central control equipment is arranged on the bottom end surface of the first filter screen plate, a protective door plate is arranged on the cabinet body shell, and a supporting base is fixedly welded at the bottom of the cabinet body shell, so that the problem that the conventional low-voltage electrical cabinet cannot perform overheating protection work on the electrical cabinet, namely, automatic and stable efficient cooling and heat dissipation cannot be performed is solved, and when a short circuit fire happens to an internal circuit of the electrical cabinet, the conventional electrical cabinet cannot perform timely and effective fire extinguishing work, poor practicability and safety.
Description
Technical Field
The invention relates to the field of electrical cabinets, in particular to a low-voltage electrical cabinet with a built-in overheat protection mechanism.
Background
Along with the high-speed development of the industry in China, more and more factories exist, and more large-sized electrical equipment exist in the factory, in the electrical equipment, an electrical cabinet is a more control center, the electrical cabinet is a cabinet which is processed by steel materials and used for protecting components and parts to normally work, various electrical switches are gathered in the cabinet and used for specifically adjusting the electrical equipment, and some problems still exist in the existing low-voltage electrical cabinets when in use;
although heat dissipation equipment is installed in the existing low-voltage electrical cabinet, because the internal circuit of the electrical cabinet is complex, and most electrical equipment needs to continuously work for 24 hours in production, a large amount of heat can be continuously generated in the electrical cabinet, the temperature in the electrical cabinet is very easy to be overhigh due to the long-time continuous work of the electrical cabinet, and the conventional electrical cabinet can not perform overheat protection work on the electrical cabinet, namely, when the internal temperature of the electrical cabinet is overhigh, automatic and stable efficient cooling and heat dissipation can not be performed, so that the continuous high temperature can cause great influence on components in the circuit, the service life of the components is reduced, even the phenomenon that the internal electrical components are shut down due to overhigh temperature can be caused, the occurrence of fire can be more serious, the normal production can be directly influenced, and when the internal circuit of the electrical cabinet is short-circuited and is on fire, the conventional electrical cabinet can not perform timely and effective fire extinguishing work, the practicability and the safety are poor.
Disclosure of Invention
The purpose of this part is to solve conventional regulator cubicle among the background art and can not carry out overheat protection work to itself.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a low pressure regulator cubicle of built-in overheat protection mechanism, includes cabinet body shell, welded fastening has first filter screen board on the cabinet body shell, install the subassembly that opens and shuts in the cabinet body shell, welded fastening has the second filter screen board in the cabinet body shell, install smoke transducer and heat dissipation fire extinguishing components on the second filter screen board, be connected with the cooling subassembly on the heat dissipation fire extinguishing components, install central control equipment on the bottom face of first filter screen board, install the protection door plant on the cabinet body shell, cabinet body shell's bottom welded fastening has the support base.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the opening and closing assembly comprises a first servo motor, the first servo motor is welded and fixed in the cabinet shell, a first mounting rod and a first circular gear are welded and fixed on an output end shaft of the first servo motor, the first circular gear is meshed and connected with a second circular gear, the second circular gear and a first connecting rod are welded and fixed on a fixed shaft, the fixed shaft is rotationally connected to the cabinet shell, a second connecting rod is rotationally connected to the first connecting rod, the other end of the second connecting rod is welded and fixed with a connecting shaft, a second mounting rod is welded and fixed on the connecting shaft, connecting baffles are welded and fixed on the first mounting rod and the second mounting rod, rubber pads are connected to the connecting baffles through screws, the connecting shaft is rotationally connected to a limiting rod, and the limiting rod is in limiting sliding connection in a limiting groove, the limiting groove penetrates through the shell of the cabinet body.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the length of first linking rod equals with the length of second linking rod, the overall structure of first installation pole is the same with the overall structure of second installation pole, first installation pole and the equal symmetric distribution of second installation pole are in linked baffle's both sides.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the length of the connecting baffle plate is larger than the width of the first filter screen plate, the connecting baffle plate corresponds to the rubber pads one to one, and the thickness and the length distribution of the rubber pads are equal to those of the connecting baffle plate.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the heat dissipation fire extinguishing assembly comprises a second servo motor, the second servo motor is welded and fixed on a second filter screen plate, a transmission belt is connected to an output shaft of the second servo motor, the other end of the transmission belt is connected to the rotation shaft, the rotation shaft is connected to the second filter screen plate in a rotating mode, exhaust fans are welded and fixed to the output shafts of the rotation shaft and the second servo motor, a guide frame is welded and fixed to the exhaust fans, rubber airbags are connected to screws in the guide frame, the other ends of the rubber airbags are connected with conical spines through screws, a plastic film is fixedly bonded to the second filter screen plate, and dry powder is arranged in the plastic film.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the rotation axis and the plastic film are symmetrically distributed on two sides of the second filter screen plate, the guide frames are symmetrically distributed on two sides of the exhaust fan, and the conical thorn is connected in the guide frames in a limiting sliding manner.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the sum of the lengths of the conical spines and the guide frame is larger than the distance between the exhaust fan and the top end face of the plastic film, and the length and the width of the plastic film are both larger than the diameter of the exhaust fan.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the cooling assembly comprises a reciprocating screw rod, the bottom end of the reciprocating screw rod is welded and fixed on the exhaust fan, the reciprocating screw rod is connected in the rolling pipe through a sealing bearing in a rotating mode, a cooling pipe is fixedly installed on the rolling pipe, the rolling pipe is connected in a limiting frame in a rotating mode, the limiting frame is welded and fixed in the first filter screen plate, a volute spiral spring is fixedly welded and fixed in the limiting frame, the inner end of the volute spiral spring is welded and fixed on the rolling pipe, a connecting hose is connected to the rolling pipe through bolts, the other end of the connecting hose is fixed on a limiting rod, the connecting hose is wound on the rolling pipe, a rubber piston is connected in the rolling pipe in a limiting sliding mode, and the rubber piston is movably connected to the reciprocating screw rod.
As a preferred scheme of the low-voltage electrical cabinet with the built-in overheat protection mechanism, the invention comprises the following steps: the central axis of the reciprocating screw rod and the central axis of the winding pipe are located on the same vertical central line, the connecting hoses are symmetrically distributed on two sides of the winding pipe, the inner wall of the winding pipe is attached to the outer end face of the rubber piston, the rubber piston is in threaded connection with the reciprocating screw rod, and the thickness of the rubber piston is larger than the diameter of the connecting hoses.
Compared with the prior art, the invention has the beneficial effects that:
1. the switching assembly is arranged, when an electrical element in the electrical cabinet is overheated, the driving of a first servo motor is utilized, the engagement between the first circular gear and the second circular gear is combined, and the linkage between the first connecting rod and the second connecting rod is combined to drive the adjacent connecting baffle plates to rotate outwards and furl simultaneously, so that the first filter screen plate can be opened in a large area, the electrical cabinet can be efficiently cooled, and the stable overheating protection work can be performed on the electrical cabinet;
2. the limiting rod and the connecting hose are arranged, the limiting rod can be driven to move to the side when the connecting baffle is folded, the connecting hose can be pulled to automatically extend, the cooling area of cooling liquid can be effectively increased, and the overheated electric cabinet can be efficiently cooled and radiated by combining the rotation of a subsequent exhaust fan, so that the use efficiency and stability of the electric cabinet are effectively improved;
3. the cooling device is provided with the exhaust fan and the cooling pipe, when the second servo motor drives the exhaust fan to rotate, the rubber piston can be driven by the reciprocating screw rod to perform stable up-and-down reciprocating motion in the winding pipe, cooling liquid in the connecting hose can be sucked and conveyed by utilizing air pressure, repeated cooling and conveying work can be performed on the cooling liquid by combining the cooling pipe, and then the cooling liquid can be ensured to be continuously cooled, so that a long-time cooling effect can be ensured;
4. be provided with the toper thorn, plastic film and dry powder, when taking place the short circuit when catching fire in the regulator cubicle, flame production lasts high temperature and can cause the rubber gasbag thermal expansion in the guide frame, can promote the toper thorn downstream, the rotation that combines the exhaust fan can scrape the plastic film brokenly, meanwhile, the rotation that combines the exhaust fan can be with the quick even propelling movement of dry powder in the plastic film to the regulator cubicle in, and then can be automatic timely completion work of putting out a fire, the use diversity and the security of regulator cubicle have effectively been increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor; wherein:
FIG. 1 is a schematic diagram of an overall three-dimensional structure of a low-voltage electrical cabinet with an internal overheat protection mechanism according to the present invention;
FIG. 2 is a schematic overall front view of a low-voltage electrical cabinet with an internal overheat protection mechanism according to the present invention;
FIG. 3 is a schematic structural diagram of a low-voltage electrical cabinet with an internal overheat protection mechanism of the present invention at A in FIG. 2;
FIG. 4 is a schematic diagram of a second filter screen plate structure of a low-voltage electrical cabinet with an internal overheat protection mechanism according to the present invention;
FIG. 5 is a schematic diagram of a dry powder structure of a low-voltage electrical cabinet with a built-in overheat protection mechanism according to the present invention;
FIG. 6 is a schematic view of a tapered spine structure of a low-voltage electrical cabinet with an internal overheat protection mechanism according to the invention;
FIG. 7 is a schematic side view of a connecting baffle of a low-voltage electrical cabinet with an internal overheat protection mechanism according to the present invention;
FIG. 8 is a schematic structural diagram of a rubber piston of a low-voltage electrical cabinet with an internal overheat protection mechanism according to the present invention;
FIG. 9 is a schematic top view of a winding pipe of a low-voltage electrical cabinet with an internal overheat protection mechanism according to the present invention;
FIG. 10 is a schematic top view of a low-voltage electrical cabinet volute spiral spring with an internal overheat protection mechanism according to the present invention;
FIG. 11 is a schematic top view of a low-voltage electrical cabinet connecting hose with an internal overheat protection mechanism according to the present invention;
FIG. 12 is a schematic structural diagram at B in FIG. 11 of a low-voltage electrical cabinet with a built-in overheat protection mechanism according to the present invention;
reference numbers in the figures: 1. a cabinet housing; 2. a first filter screen plate; 3. an opening and closing assembly; 301. a first servo motor; 302. a first mounting bar; 303. a first circular gear; 304. a second circular gear; 305. a fixed shaft; 306. a first engagement rod; 307. a second engagement rod; 308. a connecting shaft; 309. a second mounting bar; 310. connecting a baffle plate; 311. a rubber pad; 4. a limiting groove; 5. a limiting rod; 6. a second screen plate; 7. a smoke sensor; 8. a heat dissipation fire extinguishing assembly; 801. a second servo motor; 802. a transmission belt; 803. a rotating shaft; 804. an exhaust fan; 805. a guide frame; 806. a rubber air bag; 807. conical thorn; 808. a plastic film; 809. dry powder; 9. a cooling assembly; 901. a reciprocating screw rod; 902. reeling the pipe; 903. a cooling tube; 904. a connecting hose; 905. a rubber piston; 10. a volute spiral spring; 11. a limiting frame; 12. a central control device; 13. a protective door panel; 14. and a base is supported.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Examples
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-12, a low-voltage electrical cabinet with a built-in overheat protection mechanism comprises a cabinet body housing 1, a first filter screen plate 2 is welded and fixed on the cabinet body housing 1, an opening and closing component 3 is installed in the cabinet body housing 1, a second filter screen plate 6 is welded and fixed in the cabinet body housing 1, a smoke sensor 7 and a heat dissipation fire extinguishing component 8 are installed on the second filter screen plate 6, a cooling component 9 is connected on the heat dissipation fire extinguishing component 8, a central control device 12 is installed on the bottom end face of the first filter screen plate 2, a protective door plate 13 is installed on the cabinet body housing 1, a supporting base 14 is welded and fixed on the bottom of the cabinet body housing 1, when an electrical component in the electrical cabinet is overheated, the first filter screen plate 2 can be opened by matching the opening and closing component 3 and the heat dissipation fire extinguishing component 8, so as to perform efficient heat dissipation on the electrical cabinet, thereby performing stable overheat protection work on the electrical cabinet in a large area, meanwhile, timely and effective fire extinguishing work can be carried out on the electrical cabinet with short circuit and fire, and the use efficiency and stability of the electrical cabinet are effectively improved.
In this example, the opening and closing assembly 3 includes a first servo motor 301, the first servo motor 301 is welded and fixed in the cabinet housing 1, a first mounting rod 302 and a first circular gear 303 are welded and fixed on an output end shaft of the first servo motor 301, a second circular gear 304 is engaged and connected on the first circular gear 303, the second circular gear 304 and a first connecting rod 306 are welded and fixed on a fixing shaft 305, the fixing shaft 305 is rotatably connected on the cabinet housing 1, a second connecting rod 307 is rotatably connected on the first connecting rod 306, a connecting shaft 308 is welded and fixed at the other end of the second connecting rod 307, a second mounting rod 309 is welded and fixed on the connecting shaft 308, a connecting baffle plate 310 is welded and fixed on each of the first mounting rod 302 and the second mounting rod 309, a rubber pad 311 is screwed and connected on the connecting baffle plate 310, the connecting shaft 308 is rotatably connected on the limiting rod 5, the limiting rod 5 is in a limiting sliding connection in the limiting groove 4, spacing groove 4 runs through to be seted up on cabinet body shell 1, can guarantee the spacing slip work's of gag lever post 5 in spacing groove 4 stability, and then can guarantee the stability and the safety of follow-up work of opening and shutting, can guarantee the automatic stability of follow-up cooling surface regulation work simultaneously.
In this example, the length of the first engagement rod 306 is equal to that of the second engagement rod 307, the overall structure of the first installation rod 302 is equal to that of the second installation rod 309, the first installation rod 302 and the second installation rod 309 are symmetrically distributed on both sides of the connection baffle plate 310, the length of the connection baffle plate 310 is greater than the width of the first screen plate 2, the connection baffle plate 310 corresponds to the rubber pads 311 one by one, the thickness and length distribution of the rubber pads 311 are equal to those of the connection baffle plate 310, the stability of the working state of the rubber pads 311 on the connection baffle plate 310 can be ensured, and the stability and safety of the mutual splicing state of the subsequent adjacent connection baffle plates 310 can be ensured, so that the stability of the subsequent closing work can be ensured, and the use safety and stability of the electrical cabinet are effectively increased.
In this example, the heat dissipation fire extinguishing assembly 8 includes a second servo motor 801, the second servo motor 801 is welded and fixed on the second filter screen plate 6, the output shaft of the second servo motor 801 is connected with a transmission belt 802, the other end of the transmission belt 802 is connected on a rotation shaft 803, the rotation shaft 803 is rotatably connected on the second filter screen plate 6, the rotation shaft 803 and the output shaft of the second servo motor 801 are both welded and fixed with a ventilation fan 804, the ventilation fan 804 is welded and fixed with a guide frame 805, the screw in the guide frame 805 is connected with a rubber air bag 806, the other end of the rubber air bag 806 is connected with a taper thorn 807 by a screw, the second filter screen plate 6 is bonded and fixed with a plastic film 808, dry powder 809 is arranged in the plastic film 808, which can ensure the stable working state of the guide frame 805 on the ventilation fan 804, and then can guarantee timely and convenient of follow-up automatic fire extinguishing work, effectively increased the use variety and the security of regulator cubicle.
In this example, the rotation axis 803 and the plastic film 808 are symmetrically distributed on both sides of the second screen plate 6, the guide frame 805 is symmetrically distributed on both sides of the exhaust fan 804, the conical prick 807 is slidably connected in the guide frame 805 in a limited manner, the sum of the lengths of the conical prick 807 and the guide frame 805 is greater than the distance between the exhaust fan 804 and the top end face of the plastic film 808, the length and the width of the plastic film 808 are greater than the diameter of the exhaust fan 804, so that the situation that the conical prick 807 cannot effectively scratch the plastic film 808 in time due to the excessively high height of the exhaust fan 804 can be effectively avoided, and the timely effectiveness of the subsequent fire extinguishing work can be ensured.
In this example, the cooling assembly 9 includes a reciprocating screw 901, the bottom end of the reciprocating screw 901 is welded and fixed on the exhaust fan 804, the reciprocating screw 901 is rotatably connected in the rolling pipe 902 through a sealing bearing, the rolling pipe 902 is fixedly installed with a cooling pipe 903, the rolling pipe 902 is rotatably connected in a limit frame 11, the limit frame 11 is welded and fixed in the first filter screen plate 2, a scroll spring 10 is welded and fixed in the limit frame 11, the inner end of the scroll spring 10 is welded and fixed on the rolling pipe 902, the rolling pipe 902 is bolted with a connection hose 904, the other end of the connection hose 904 is fixed on a limit rod 5, the connection hose 904 is wound on the rolling pipe 902, a rubber piston 905 is slidably connected in the rolling pipe 902 in a limit manner, the rubber piston 905 is movably connected on the reciprocating screw 901, so as to ensure the stability of the working state of the rubber piston 905 in the rolling pipe 902, and further ensure the continuous cooling of the cooling liquid, thereby ensuring a long-term cooling effect.
In this example, the central axis of reciprocal lead screw 901 and the central axis of rolling pipe 902 are located same vertical center line, coupling hose 904 symmetric distribution is in the both sides of rolling pipe 902, the inner wall of rolling pipe 902 is laminated with the outer terminal surface of rubber piston 905, be threaded connection between rubber piston 905 and the reciprocal lead screw 901, rubber piston 905's thickness is greater than coupling hose 904's diameter, can guarantee the stability of connection state between rubber piston 905 and the reciprocal lead screw 901, and then can guarantee the stability and the convenience of the follow-up operating condition of rubber piston 905, the safety in utilization of regulator cubicle has been increased.
It should be noted that, the present invention is a low-voltage electrical cabinet with a built-in overheat protection mechanism, first, when the electrical cabinet starts to work, the second servo motor 801 on the second filter screen plate 6 is utilized, the driving belt 802 can drive the exhaust fans 804 on the rotating shafts 803 on both sides to rotate simultaneously, at this time, the cooling liquid in the connecting hose 904 can be combined to further improve the cooling and heat dissipation effects, and at the same time when the second servo motor 801 works, the exhaust fan 804 on the output shaft can drive the reciprocating screw 901 to rotate stably in the winding pipe 902, and under the rotation action of the reciprocating screw 901, the rubber piston 905 can be driven to perform stable up-and-down reciprocating motion in the winding pipe 902, at this time, during the up-and-down reciprocating motion of the rubber piston 905, the cooling liquid in the connecting hose 904 can be pumped and conveyed by using air pressure, and the cooling pipe 903 on the winding pipe 902 can perform repeated cooling work, thereby ensuring the continuous cooling of the cooling liquid and further ensuring the long-time cooling effect;
and in the working process of the electrical cabinet, when the internal electrical components are overheated, the central control device 12 can control to turn on the first servo motor 301, the first servo motor 301 can drive the first circular gear 303 to stably rotate, the first engagement rod 306 on the fixed shaft 305 can be driven to stably rotate by combining the engagement between the first circular gear 303 and the second circular gear 304, at this time, under the rotation action of the first engagement rod 306, the second engagement rod 307 can drive the limiting rod 5 on the connecting shaft 308 to move towards the side in the limiting groove 4, and at the same time when the first servo motor 301 works, the first mounting rod 302 on the output shaft thereof can drive the connecting baffle plate 310 to rotate outwards, so that the connecting shaft 308 can drive the adjacent connecting baffle plate 310 to rotate outwards by the second mounting rod 309 while moving towards the side in the rotating limiting rod 5, and simultaneously approach towards the connecting baffle plate 310 on the first mounting rod 302, at the moment, the first filter screen plate 2 can be opened in a large area, and in the movement process of the limiting rod 5, the connecting hose 904 on the coiling pipe 902 can be pulled to automatically extend, so that the cooling area of the cooling liquid can be effectively increased, and the subsequent rotation of the plurality of exhaust fans 804 can be combined to efficiently cool and radiate the overheated electric cabinet, so that the stable overheating protection work can be performed on the electric cabinet;
after the heat dissipation work is finished, the first servo motor 301 is used for driving the first circular gear 303 to rotate reversely so as to drive each connecting baffle plate 310 to close, at the moment, the scroll spring 10 in the limiting frame 11 can drive the winding pipe 902 to rotate reversely, so that the connecting hose 904 can be automatically wound, and the stability and the safety of the next use state are ensured;
and when taking place the short circuit when catching fire in the regulator cubicle, flame produces and lasts high temperature and can cause the rubber gasbag 806 in the guide frame 805 to be heated the inflation, can promote the outside motion of toper thorn 807, toper thorn 807 combines the rotation of exhaust fan 804 to scrape adjacent plastic film 808, meanwhile, the rotation that combines each exhaust fan 804 can be with the quick even propelling movement of dry powder 809 in the plastic film 808 to the regulator cubicle in, and then can be automatic timely completion fire extinguishing work, the use variety and the security of regulator cubicle have effectively been increased.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A low-voltage electrical cabinet with a built-in overheat protection mechanism comprises a cabinet body shell (1) and is characterized in that; welded fastening has first filter screen board (2) on cabinet body shell (1), install subassembly (3) that opens and shuts in cabinet body shell (1), welded fastening has second filter screen board (6) in cabinet body shell (1), install smoke transducer (7) and heat dissipation fire extinguishing assembly (8) on second filter screen board (6), be connected with cooling subassembly (9) on heat dissipation fire extinguishing assembly (8), install central control equipment (12) on the bottom face of first filter screen board (2), install protection door plant (13) on cabinet body shell (1), the bottom welded fastening of cabinet body shell (1) has support base (14).
2. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 1, wherein: the opening and closing assembly (3) comprises a first servo motor (301), the first servo motor (301) is welded and fixed in a cabinet body shell (1), a first installation rod (302) and a first circular gear (303) are welded and fixed on an output end shaft of the first servo motor (301), the first circular gear (303) is connected with a second circular gear (304) in a meshed mode, the second circular gear (304) and a first connecting rod (306) are welded and fixed on a fixed shaft (305), the fixed shaft (305) is connected to the cabinet body shell (1) in a rotating mode, the first connecting rod (306) is connected with a second connecting rod (307) in a rotating mode, the other end of the second connecting rod (307) is welded and fixed with a connecting shaft (308), a second installation rod (309) is welded and fixed on the connecting shaft (308), and connecting baffle plates (310) are welded and fixed on the first installation rod (302) and the second installation rod (309), the utility model discloses a cabinet body, including connecting baffle (310), connecting shaft (308), connecting shaft (5), spacing groove (4), connecting baffle (310) go up the screw connection have rubber pad (311), connecting shaft (308) rotate to be connected on gag lever post (5), spacing sliding connection of gag lever post (5) is in spacing groove (4), spacing groove (4) run through set up on cabinet body shell (1).
3. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 2, wherein: the length of the first joint rod (306) is equal to that of the second joint rod (307), the integral structure of the first mounting rod (302) is equal to that of the second mounting rod (309), and the first mounting rod (302) and the second mounting rod (309) are symmetrically distributed on two sides of the connecting baffle plate (310).
4. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 2, wherein: the length of the connecting baffle plate (310) is larger than the width of the first filter screen plate (2), the connecting baffle plate (310) corresponds to the rubber pads (311) one by one, and the thickness and the length distribution of the rubber pads (311) are equal to those of the connecting baffle plate (310).
5. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 1, wherein: the heat dissipation fire extinguishing assembly (8) comprises a second servo motor (801), the second servo motor (801) is welded and fixed on the second filter screen plate (6), the output shaft of the second servo motor (801) is connected with a transmission belt (802), the other end of the transmission belt (802) is connected with a rotating shaft (803), the rotating shaft (803) is rotationally connected to the second filter screen plate (6), exhaust fans (804) are welded and fixed on the rotating shaft (803) and the output shaft of the second servo motor (801), a guide frame (805) is welded and fixed on the exhaust fan (804), a rubber air bag (806) is connected with the inner screw of the guide frame (805), the other end of the rubber air bag (806) is connected with a conical thorn (807) through a screw, and a plastic film (808) is fixedly bonded on the second filter screen plate (6), and dry powder (809) is arranged in the plastic film (808).
6. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 5, wherein: the rotating shaft (803) and the plastic film (808) are symmetrically distributed on two sides of the second filter screen plate (6), the guide frame (805) is symmetrically distributed on two sides of the exhaust fan (804), and the conical spines (807) are in limited sliding connection in the guide frame (805).
7. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 5, wherein: the sum of the lengths of the conical spines (807) and the guide frame (805) is greater than the distance between the exhaust fan (804) and the top end face of the plastic film (808), and the length and the width of the plastic film (808) are both greater than the diameter of the exhaust fan (804).
8. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 1, wherein: the cooling assembly (9) comprises a reciprocating screw rod (901), the bottom end of the reciprocating screw rod (901) is fixedly welded on an exhaust fan (804), the reciprocating screw rod (901) is rotatably connected into a winding pipe (902) through a sealing bearing, a cooling pipe (903) is fixedly installed on the winding pipe (902), the winding pipe (902) is rotatably connected into a limiting frame (11), the limiting frame (11) is fixedly welded in a first filter screen plate (2), a volute spring (10) is fixedly welded in the limiting frame (11), the inner end of the volute spring (10) is fixedly welded on the winding pipe (902), a connecting hose (904) is connected onto the winding pipe (902) through bolts, the other end of the connecting hose (904) is fixed on a limiting rod (5), the connecting hose (904) is wound on the winding pipe (902), and a rubber piston (905) is slidably connected into the winding pipe (902) in a limiting manner, the rubber piston (905) is movably connected to the reciprocating screw rod (901).
9. The low-voltage electrical cabinet with the built-in overheat protection mechanism according to claim 8, wherein: the central axis of the reciprocating screw rod (901) and the central axis of the pipe coiling (902) are located on the same vertical central line, the connecting hoses (904) are symmetrically distributed on two sides of the pipe coiling (902), the inner wall of the pipe coiling (902) is attached to the outer end face of a rubber piston (905), the rubber piston (905) is in threaded connection with the reciprocating screw rod (901), and the thickness of the rubber piston (905) is larger than the diameter of the connecting hoses (904).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402089.9A CN114498412B (en) | 2022-04-18 | 2022-04-18 | Low-voltage electrical cabinet with built-in overheat protection mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210402089.9A CN114498412B (en) | 2022-04-18 | 2022-04-18 | Low-voltage electrical cabinet with built-in overheat protection mechanism |
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| Publication Number | Publication Date |
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| CN114498412A true CN114498412A (en) | 2022-05-13 |
| CN114498412B CN114498412B (en) | 2022-07-12 |
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| CN108551100A (en) * | 2018-04-20 | 2018-09-18 | 陕西理工大学 | A kind of electrical engineering automation electric box |
| CN208904482U (en) * | 2018-07-13 | 2019-05-24 | 合肥迅达电器有限公司 | A kind of intermediate frequency power cabinet to radiate safely |
| CN110401128A (en) * | 2019-06-26 | 2019-11-01 | 桐城市畅润电力工程有限公司 | A kind of radiator of power equipment case |
| CN112103788A (en) * | 2020-09-11 | 2020-12-18 | 南京自强铁路车辆配件有限公司 | Intelligent modularized ring main unit |
| CN112736702A (en) * | 2021-01-18 | 2021-04-30 | 沈正伟 | Intelligent fireproof power distribution cabinet |
| CN113555777A (en) * | 2021-06-02 | 2021-10-26 | 安徽翔弘仪器科技有限公司 | Electric control cabinet for chemical pharmaceutical engineering and electric control cabinet cooling system |
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2022
- 2022-04-18 CN CN202210402089.9A patent/CN114498412B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551100A (en) * | 2018-04-20 | 2018-09-18 | 陕西理工大学 | A kind of electrical engineering automation electric box |
| CN208904482U (en) * | 2018-07-13 | 2019-05-24 | 合肥迅达电器有限公司 | A kind of intermediate frequency power cabinet to radiate safely |
| CN110401128A (en) * | 2019-06-26 | 2019-11-01 | 桐城市畅润电力工程有限公司 | A kind of radiator of power equipment case |
| CN112103788A (en) * | 2020-09-11 | 2020-12-18 | 南京自强铁路车辆配件有限公司 | Intelligent modularized ring main unit |
| CN112736702A (en) * | 2021-01-18 | 2021-04-30 | 沈正伟 | Intelligent fireproof power distribution cabinet |
| CN113555777A (en) * | 2021-06-02 | 2021-10-26 | 安徽翔弘仪器科技有限公司 | Electric control cabinet for chemical pharmaceutical engineering and electric control cabinet cooling system |
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| Publication number | Publication date |
|---|---|
| CN114498412B (en) | 2022-07-12 |
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