CN115425534A - Electric automation control cabinet that security is good - Google Patents

Electric automation control cabinet that security is good Download PDF

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Publication number
CN115425534A
CN115425534A CN202211171520.XA CN202211171520A CN115425534A CN 115425534 A CN115425534 A CN 115425534A CN 202211171520 A CN202211171520 A CN 202211171520A CN 115425534 A CN115425534 A CN 115425534A
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CN
China
Prior art keywords
cabinet
shell
controller
air supply
automation control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211171520.XA
Other languages
Chinese (zh)
Inventor
张弛
曾次玲
杨东文
曾未伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202211171520.XA priority Critical patent/CN115425534A/en
Publication of CN115425534A publication Critical patent/CN115425534A/en
Pending legal-status Critical Current

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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
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • 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
    • A62C3/14—Fire prevention, containment or extinguishing specially adapted for particular objects or places in connection with doors, windows, ventilators, partitions, or shutters, e.g. automatic closing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to the technical field of electrical control cabinets, and discloses an electrical automation control cabinet with good safety, which comprises an outer cabinet and an inner cabinet arranged in the outer cabinet, wherein a partition cavity is formed between the inner cabinet and the outer cabinet; the outer cabinet is provided with an air supply mechanism which is communicated with the inner cabinet, and the inner cabinet is communicated with the partition cavity; the air supply mechanism is electrically connected with a control system, the control system comprises a controller and a temperature sensor electrically connected with the controller, the temperature sensor is installed on the inner cabinet, an electromagnetic valve is arranged between the air supply mechanism and the inner cabinet, and the electromagnetic valve is electrically connected with the controller; a plurality of placing plates are vertically arranged in the inner cabinet, one side of each placing plate is hinged with the inner cabinet, a partition plate is arranged between the other side of each placing plate and the inner cabinet, and a high-temperature expanding agent is filled in the partition plate. The electric automation control cabinet is simple in structure and good in safety.

Description

Electric automation control cabinet that security is good
Technical Field
The invention relates to the technical field of electrical control cabinets, in particular to an electrical automation control cabinet with good safety.
Background
The electric automation control cabinet is characterized in that switch equipment, a measuring instrument, protective electrical equipment and auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement, the arrangement of the electric automation control cabinet meets the requirement of normal operation of a power system, the electric automation control cabinet is convenient to overhaul, and the safety of people and surrounding equipment is not endangered.
Prior art's electrical apparatus automated control generally all comes to the electrical equipment in the cabinet through the installation heat dissipation fan and bloies radiating, consequently just leads to prior art's switch board just unable self-adaptation regulation heat dissipation and improvement radiating efficiency, only can be all the time let the fan dispel the heat according to certain frequency, when the abnormal work appears in the equipment body in the cabinet, just need increase the efficiency of blowing this moment, for example chinese patent, the bulletin number is: CN 217087230U discloses an electric automatization control cabinet that security performance is high, including the switch board, the top fixed mounting of switch board has the rose box, and the top fixed mounting of rose box has power and motor, and the power provides electric power for the motor, and the output activity of motor runs through the output of rose box and motor and is connected with the blade, and the blade is located the rose box intracavity, and the inlet port has been seted up at the top of switch board. This electric automatization control cabinet that security performance is high, this patent is through setting up the safety induction device, realized can be through the rising of the interior temperature of switch board, let the motion pole of motion drive the gleitbretter and move, thereby realize changing the connecting resistance of slide rheostat, thereby just realize the size of adjusting current adaptively, when equipment body work produces higher temperature unusually in the switch board, but realized through the increase of safety induction device self-adaptation blowin air current, thereby guaranteed the security of this patent switch board.
Based on the prior art, the applicant finds through research that even if temperature regulation and control can be carried out, the fire caused by temperature abnormity (faults) can not be overcome, the electric automation cabinet does not have fire prevention measures, if a fire accident occurs, an operator needs to put out a fire in time, and the influence caused by the fire is reduced.
Disclosure of Invention
The invention aims to provide an electric automation control cabinet with good safety, so that the electric automation control cabinet has the capability of controlling fire spread by adopting a partition mode.
In order to achieve the above object, the basic scheme of the invention is as follows: an electric automation control cabinet that security is good: comprises an outer cabinet and an inner cabinet arranged in the outer cabinet, wherein a partition cavity is formed between the inner cabinet and the outer cabinet;
the outer cabinet is provided with an air supply mechanism which is communicated with the inner cabinet, and the inner cabinet is communicated with the partition cavity;
the air supply mechanism is electrically connected with a control system, the control system comprises a controller and a temperature sensor electrically connected with the controller, the temperature sensor is installed on the inner cabinet, an electromagnetic valve is arranged between the air supply mechanism and the inner cabinet, and the electromagnetic valve is electrically connected with the controller;
a plurality of placing plates are vertically arranged in the inner cabinet, one side of each placing plate is hinged with the inner cabinet, a partition plate is arranged between the other side of each placing plate and the inner cabinet, and a high-temperature expanding agent is filled in the partition plate.
The principle and the beneficial effects of the invention are as follows: (1) In the invention, the temperature sensor and the controller are adopted to monitor the temperature of the inner cabinet, and the controller is used to regulate and control the power of the air supply mechanism, so that the temperature sensor and the controller are suitable for different temperature environments to cool and radiate the equipment in the inner cabinet, and the aim of intelligent temperature control is fulfilled.
(2) In the invention, if an accident occurs, for example, a fire disaster occurs in equipment in the inner cabinet, the temperature information sent by the temperature controller continuously exceeds the threshold value of the controller, and at the moment, the controller controls the electromagnetic valve and the air supply assembly to be closed, so that a fire source can be prevented from entering the air supply mechanism, and the probability of fire spread is reduced. Certainly, the partition cavity can prevent the fire from spreading to the outer cabinet, and the probability that the fire spreads to the outside of the control cabinet is reduced. According to the invention, when the high temperature in the inner cabinet can cause the high-temperature expanding agent to expand by heating, the partition board is extruded and broken, and then the partition board is broken from the inner cabinet and falls off under the action of gravity of equipment, so that the equipment is separated from an external wire, and the probability that the external wire extends the fire to the outside of the control cabinet can be reduced to a certain extent.
(3) According to the invention, the probability of fire spreading is reduced through various modes, the fire is limited in the inner cabinet as much as possible, and when operating personnel carry out fire fighting work, the occurrence of accidents such as burning and the like is reduced, so that the fire fighting measures of the operating personnel are facilitated.
Further, air supply mechanism include with outer cabinet fixed connection's shell, be provided with the shutter on the shell and make shell and outside intercommunication, fixedly connected with air supply assembly in the shell, air supply assembly is connected with the controller electricity, air supply assembly and solenoid valve intercommunication.
Has the advantages that: the control of controller is in order to control the power of air supply subassembly, and the air supply subassembly passes through the solenoid valve and carries the cold air to in the interior cabinet to cool down to the equipment in the interior cabinet.
Furthermore, the bottom of the inner cabinet is fixedly connected with a plurality of supporting shafts, and the supporting shafts are fixedly connected with the outer cabinet.
Has the advantages that: connect interior cabinet and outer cabinet through the back shaft to minimize hookup location, when interior cabinet equipment broke down the conflagration emergence, reduce the area of contact of flame and outer cabinet, reduce the probability of stretching the intensity of a fire to outer cabinet.
Furthermore, a sealing assembly is arranged on the inner frame and comprises a sealing plate hinged with the inner frame, a hollow shell is fixedly connected onto the sealing plate, a rotating shaft is rotatably connected into the shell, and blades are coaxially arranged on the rotating shaft;
the inner frame is provided with a plurality of transverse shafts, the transverse shafts are horizontally and movably connected with the inner frame, the transverse shafts are provided with a plurality of elastic pieces, the left side and the right side of the inner frame are provided with grooves clamped with the transverse shafts, the transverse shafts are fixedly connected with pull ropes, and the two pull ropes are fixed on the rotating shafts in opposite winding directions;
the upper side and the lower side of the shell are both communicated with hollow vertical beams which are communicated with the shell;
the shell is internally and fixedly connected with a negative pressure pump, the negative pressure pump is electrically connected with a controller, and the controller is electrically connected with an input module.
Has the advantages that: according to the invention, when an operator transmits a door closing instruction to the controller through the input module, the controller starts the air supply assembly to work, the air supply assembly supplies gas to the inner cabinet, the channel shell and the partition cavity, and the gas is discharged through the gas outlet, so that the temperature of equipment in the inner cabinet is reduced, and the gas drives the blades to rotate positively in the shell, so that the pull rope is loosened, and the transverse shaft is inserted into the groove under the action of the elastic part to lock the sealing plate;
according to the invention, when an operator transmits a door opening instruction to the controller through the input module, the controller controls the air supply assembly to be closed, the negative pressure pump is started, air enters the shell through the air outlet and drives the blades to rotate reversely, so that the blades drive the rotating shaft to drive the pull rope to be tightened, and the cross beam is further pulled to slide away from the groove, so that the sealing plate can be easily opened by the operator.
Further, the cross member communicates with the housing.
Has the advantages that: crossbeam and casing intercommunication, when locking the closure plate and fastening, the air supply subassembly enters into the crossbeam and cooperates the elastic component to lock the cross axle in the recess to the gas of sending into in vertical, so guarantee the cross axle with the stable purpose of locking of closure plate, when the closure plate need be opened, the suction effect of negative pressure pump makes that operating personnel can be comparatively light pull out the cross axle from the recess, certainly if negative pressure pump power is enough big, then only can overcome the effort of elastic component through the suction of negative pressure pump, realize the purpose of automatic opening the door.
Furthermore, the vertical beam far away from the shell is provided with a channel with the diameter reduced from bottom to top, and air outlets are formed in two sides of the channel.
Has the advantages that: through the passageway that reduces gradually, can increase gaseous velocity of flow, and then guarantee that gaseous can drive blade and pivot and rotate to drive the effort that the cross axle overcame the elastic component through the pivot.
Furthermore, a filter screen is fixedly connected in the air outlet.
Has the beneficial effects that: through the filter screen in with reducing insect and impurity etc. and entering into the switch board, reduce the influence to the heat dissipation and the work of insect and impurity equipment in to the cabinet.
Drawings
Fig. 1 is a front view of an electric automation control cabinet with high safety in an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a closure plate in an embodiment of the present invention.
Fig. 3 is a sectional view of an electric automation control cabinet with high safety in an embodiment of the present invention.
Fig. 4 is a top view of an electrical automation control cabinet with good safety in an embodiment of the present invention.
Fig. 5 is a schematic circuit diagram of an electrical automation control cabinet with good safety in an embodiment of the present invention.
Fig. 6 is a sectional view of an electric automation control cabinet with high safety in an embodiment of the present invention.
Fig. 7 is a schematic structural view of a partition panel according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the air conditioner comprises an outer cabinet 11, an outer shell 12, a closing plate 13, a vertical beam 14, a channel 141, an air outlet 142, a filter screen 143, an inner shell 15, a rotating shaft 151, a blade 152, a cross beam 16, a spring 161, a transverse shaft 162, a pulling rope 163, a negative pressure pump 21, an air pump 22, an air inlet 23, a partition cavity 24, an inner frame 25, a groove 26, a supporting shaft 27, a flow port 28, an electromagnetic valve 29, a partition plate 31, a plate body 311 and a high-temperature expanding agent 312.
Substantially as shown in figures 6 and 7:
the application provides an electric automatization control cabinet that security is good, including outer cabinet 11 and the interior cabinet of setting in outer cabinet 11, the bottom of interior cabinet is provided with a plurality of back shafts 27, back shaft 27's one end and interior cabinet fixed connection, back shaft 27's the other end and outer cabinet 11 fixed connection, constitute between interior cabinet and the outer cabinet 11 and cut off chamber 24, the bottom of interior cabinet is opened has the mouth 28 that flows that communicates with cutting off chamber 24, fixedly connected with filter screen 143 in the mouth 28 that flows.
The inner cabinet is internally provided with a plurality of placing plates, a partition plate 31 is arranged between one side of each placing plate and the inner cabinet, each partition plate 31 comprises a hollow plate body 311, a high-temperature expanding agent 312 is filled in each plate body 311, the high-temperature expanding agents 312 are made of existing materials, each plate body 311 is made of plastic materials, and the other side of each placing plate is hinged to the side wall of the inner cabinet.
The top of outer cabinet 11 is provided with air supply mechanism, and air supply mechanism package shell 12, shell 12 fixed mounting are on outer cabinet 11, are provided with the shutter on the shell 12 and make shell 12 and outside intercommunication, are provided with the air supply subassembly in the shell 12, and the air supply subassembly is air pump 22, and air pump 22 intercommunication has solenoid valve 29, solenoid valve 29 and interior cabinet intercommunication. The air pump 22 is electrically connected to a controller which is electrically connected to the solenoid valve 29 and to a temperature sensor mounted in the inner cabinet.
In this embodiment, the temperature sensor sends temperature information of the inner cabinet to the controller, the controller determines the temperature in the inner cabinet based on the temperature information, if the temperature is too low, the controller controls the power of the air pump 22 to decrease, the air pump 22 inputs air into the inner cabinet through the electromagnetic valve 29, and the air enters the partition cavity 24 through the flow port 28 and is then discharged to the outside. If the temperature is too high, the controller controls the power of the air pump 22 to be increased, the air pump 22 inputs air into the inner cabinet through the electromagnetic valve 29, and the air is exhausted through the flow port 28 and the partition cavity 24, so that the purposes of energy conservation and emission reduction are achieved through different power controls. In the present application, the power consuming devices are all from an external power source.
In this embodiment, when the temperature information sent by the temperature sensor to the controller exceeds the preset threshold value of the controller and the time is 5-10s, the controller controls the air pump 22 to cool down at the maximum power, and if the time exceeds 10s, the controller controls the air pump 22 to close and the electromagnetic valve 29 to close (at this time, the state indicates that the equipment in the inner cabinet fails and a fire has been formed), in this embodiment, due to the obstruction of the obstruction chamber 24, the fire spread can be prolonged. When the equipment in the interior cabinet conflagration takes place, then the high temperature expanding agent 312 in the plate body 311 can take place the inflation for plate body 311 fracture and place the board and drop downwards, make the equipment of placing on the board break away from with external power source line, reduce the probability that the intensity of a fire outwards stretchs along power cord or transmission line, flame can spill through flowing the mouth 28 this moment, can make the interior conflagration that takes place of cabinet of operating personnel or pedestrian's discovery, in order to put out a fire in time to implement. Since the flow opening 28 is of a smaller area than the inner cabinet, the hazard of escaping flame is effectively reduced. Of course, in practice, oxygen supplied to the inner cabinet can only be supplied from the flow port 28, and the flow rate is small, so that the fire can be effectively controlled. The design of the supporting shaft 27 and the partition cavity 24 can ensure that the inner cabinet and the outer cabinet 11 have a certain distance, and the time for the fire to spread into the outer cabinet 11 is prolonged.
To sum up, this embodiment provides a better electric automatization control cabinet of security, has played the effect on reducing the conflagration and temperature control.
The present application further discloses a difference from the above embodiments, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the inner cabinet has an opening, and a closing plate 13 for closing the opening is hinged on the inner cabinet, the closing plate 13 is rectangular, a hollow housing is fixedly connected to a center of the closing plate 13, a rotating shaft 151 rotatably connected to the closing plate 13 is disposed in the housing, and a plurality of blades 152 are fixedly connected to the rotating shaft 151 along a circumferential direction thereof. The upper and lower both sides of casing all are provided with perpendicular roof beam 14, all open the passageway 141 with the casing intercommunication in the perpendicular roof beam 14, and perpendicular roof beam 14 is cavity promptly, and the passageway 141 of top communicates shell 12 and casing, and the diameter of the passageway 141 of below reduces from supreme down in proper order, and the passageway 141 both sides of below all open there is gas outlet 142, also fixed connection filter screen 143 in the gas outlet 142, and the passageway 141 of below communicates with the mouth 28 that flows.
The left side and the right side of the shell are both provided with a cross beam 16 fixed on the closing plate 13, the cross beam 16 is provided with a sliding groove, a horizontal shaft 162 is connected to the inside of the sliding groove in a horizontal sliding mode, a plurality of elastic pieces are arranged between the horizontal shaft 162 and the cross beam 16 and are springs 161, two side walls of the inner frame 25 are provided with grooves 26, the grooves 26 are clamped with the cross beam 16, and the sliding groove is communicated with the shell.
Fixedly connected with negative pressure pump 21 in the shell 12, negative pressure pump 21 and controller intercommunication, negative pressure pump 21 and shell 12 intercommunication, the controller electricity is connected with bluetooth module, bluetooth module signal connection has input module.
In this embodiment, when an opening command is input through an input module (e.g. a mobile phone), the bluetooth module sends the opening command to the controller, the controller starts the negative pressure pump 21, external air enters the lower channel 141 through the flow port 28 and the air outlet 142, since the diameter of the lower channel 141 decreases from bottom to top (the outlet of the lower channel 141 faces the left side of the housing, not shown in the figure), the air is accelerated to enter the housing and drives the blades 152 and the rotating shaft 151 to rotate, under the action of negative pressure, the air in the cross beam 16 enters the housing and overcomes the acting force of the elastic member under the action of negative pressure, and at the same time, the rotating shaft 151 rotates to tighten the pulling rope 163, so that the cross shaft 162 moves toward the housing, the cross shaft 162 is separated from the inner frame 25, and after 3 seconds, the controller controls the negative pressure pump 21 to close, so that the operator can move the closing plate 13 away to open the inner frame 25. On the premise that the negative pressure effect is strong, the cross shaft 162 does not need to be moved manually, and under the condition that the negative pressure effect is small, an operator assists in opening.
When an operator closes the closing plate 13, the closing plate 13 closes the inner frame 25, then the operator inputs a closing instruction to the controller through the input module, after the controller receives the closing instruction, the controller controls the air pump 22 and the electromagnetic valve 29 to be opened, the air pump 22 respectively conveys air to the inner frame 25 through the electromagnetic valve 29 and the upper channel 141, the air in the inner frame 25 cools the equipment in the inner frame 25, the air entering the channel 141 drives the blades 152 and the rotating shaft 151 to rotate in the reverse direction (the air outlet 142 of the upper channel 141 faces the left side of the casing, not shown in the figure), the pull rope 163 is loosened, the transverse shaft 162 extends into the groove 26 under the action of the elastic element, and the air enters the chute to press the transverse shaft 162 due to the fact that the chute is communicated with the casing, and then the controller controls the power of the air pump 22 according to the information of the temperature sensor.
In this embodiment, compare with current lock through pneumatic type locking, reduced the design of keyhole, reduced and destroyed the probability that can't open inner frame 25 to the keyhole, also reduced the production of theft accident, improved the security of electric automation control cabinet. The closing plate 13 is opened in a negative pressure mode, and if a fire accident happens, the closing plate 13 can be opened by reducing the contact between an operator and the closing plate 13.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and/or features of the schemes is not described herein in excess. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several variations and modifications can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (7)

1. The utility model provides an electric automatization control cabinet that security is good which characterized in that: comprises an outer cabinet and an inner cabinet arranged in the outer cabinet, wherein a partition cavity is formed between the inner cabinet and the outer cabinet;
the outer cabinet is provided with an air supply mechanism which is communicated with the inner cabinet, and the inner cabinet is communicated with the partition cavity;
the air supply mechanism is electrically connected with a control system, the control system comprises a controller and a temperature sensor electrically connected with the controller, the temperature sensor is installed on the inner cabinet, an electromagnetic valve is arranged between the air supply mechanism and the inner cabinet, and the electromagnetic valve is electrically connected with the controller;
a plurality of placing plates are vertically arranged in the inner cabinet, one side of each placing plate is hinged with the inner cabinet, a partition plate is arranged between the other side of each placing plate and the inner cabinet, and a high-temperature expanding agent is filled in the partition plate.
2. The electric automation control cabinet with good safety as claimed in claim 1, is characterized in that: air supply mechanism include with outer cabinet fixed connection's shell, be provided with the shutter on the shell and make shell and outside intercommunication, fixedly connected with air supply assembly in the shell, air supply assembly is connected with the controller electricity, air supply assembly and solenoid valve intercommunication.
3. An electric automation control cabinet that security is good according to claim 2, characterized in that: the bottom fixedly connected with a plurality of back shafts of interior cabinet, back shaft and outer cabinet fixed connection.
4. The electric automation control cabinet with good safety as claimed in claim 3, is characterized in that: a sealing assembly is arranged on the inner frame and comprises a sealing plate hinged with the inner frame, a hollow shell is fixedly connected onto the sealing plate, a rotating shaft is rotatably connected into the shell, and blades are coaxially arranged on the rotating shaft;
the inner frame is provided with a plurality of transverse shafts, the transverse shafts are horizontally and movably connected with the inner frame, the transverse shafts are provided with a plurality of elastic pieces, the left side and the right side of the inner frame are provided with grooves clamped with the transverse shafts, the transverse shafts are fixedly connected with pull ropes, and the two pull ropes are fixed on the rotating shafts in opposite winding directions;
the upper side and the lower side of the shell are both communicated with hollow vertical beams which are communicated with the shell;
the shell is internally and fixedly connected with a negative pressure pump, the negative pressure pump is electrically connected with a controller, and the controller is electrically connected with an input module.
5. The electric automation control cabinet with good safety as claimed in claim 4, is characterized in that: the cross beam is communicated with the shell.
6. The electric automation control cabinet with good safety as claimed in claim 5, is characterized in that: the vertical beam far away from the shell is provided with a channel with the diameter reduced from bottom to top, and air outlets are formed in two sides of the channel.
7. The electric automation control cabinet with good safety as claimed in claim 6, is characterized in that: a filter screen is fixedly connected in the air outlet.
CN202211171520.XA 2022-09-26 2022-09-26 Electric automation control cabinet that security is good Pending CN115425534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211171520.XA CN115425534A (en) 2022-09-26 2022-09-26 Electric automation control cabinet that security is good

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211171520.XA CN115425534A (en) 2022-09-26 2022-09-26 Electric automation control cabinet that security is good

Publications (1)

Publication Number Publication Date
CN115425534A true CN115425534A (en) 2022-12-02

Family

ID=84203806

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211171520.XA Pending CN115425534A (en) 2022-09-26 2022-09-26 Electric automation control cabinet that security is good

Country Status (1)

Country Link
CN (1) CN115425534A (en)

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Application publication date: 20221202