CN106020064A - Dustproof insulated cloud monitoring electric control cabinet applied to electric power equipment, and operating method thereof - Google Patents
Dustproof insulated cloud monitoring electric control cabinet applied to electric power equipment, and operating method thereof Download PDFInfo
- Publication number
- CN106020064A CN106020064A CN201610585183.7A CN201610585183A CN106020064A CN 106020064 A CN106020064 A CN 106020064A CN 201610585183 A CN201610585183 A CN 201610585183A CN 106020064 A CN106020064 A CN 106020064A
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- China
- Prior art keywords
- electric capacity
- connects
- cabinet
- resistance
- mcu processor
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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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
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21008—Read in analog values by microprocessor, potentiometer, resistor taps
Abstract
The invention discloses a dustproof insulated cloud monitoring electric control cabinet applied to electric power equipment, and an operating method of the dustproof insulated cloud monitoring electric control cabinet. The dustproof insulated cloud monitoring electric control cabinet comprises a cabinet body, wherein the front end of the top art of the cabinet body is provided with a cabinet door accommodating chamber, a cabinet door is of a sheet type rolling shutter structure, the cabinet door is rolled into the cabinet door accommodating chamber when opening a key hole, a cabinet body side plate on one side of the cabinet body is provided with an electric control cabinet controller, a signal receiving end of an MCU processor is connected with a signal transmitting end of a temperature sensor, a data interaction end of the MCU processor is connected with a data connecting end of a WIFI unit, the WIFI unit is connected with a cloud server, a data interface is connected with the data transmitting end of the MCU processor, and an anti-static circuit is connected between the data interface and the MCU processor. The dustproof insulated cloud monitoring electric control cabinet provided by the invention saves using space, prevents rainwater and dust from entering the cabinet since the periphery of the electric control cabinet is sealed, realizes remote data interaction by means of the controller, acquires and analyzes the working temperature of the low-voltage electric control cabinet in real time, and makes adjustments so that the operation of the electric control cabinet controller is more stable and reliable.
Description
Technical field
The present invention relates to field of electromechanical integration, particularly relate to a kind of dust-proof insulation cloud being used in power equipment
End monitoring electrical control cubicles and method of work thereof.
Background technology
Powering or in transformer station's power supply process at building, electrical control cubicles serves vital effect, automatically controlled
Cabinet not only will be stable power transmission, and the working condition of electrical control cubicles is grasped in real time, but existing skill
In art, the data of himself work of electrical control cubicles can not be grasped in real time by staff, and the heating of electrical control cubicles
Problem is not the most well solved.This just needs those skilled in the art badly and solves corresponding technical problem.
Summary of the invention
It is contemplated that at least solve technical problem present in prior art, the most innovatively propose one
It is used in dust-proof insulation high in the clouds monitoring electrical control cubicles and the method for work thereof of power equipment.
In order to realize the above-mentioned purpose of the present invention, the invention provides a kind of be used in power equipment dust-proof absolutely
Edge high in the clouds monitoring electrical control cubicles, including: the side cabinet 6 of cabinet 2 side installs electrical control cubicles controller 30,
Vent is offered in described cabinet 2 rear end, installs guide duct 7 one end at vent, and guide duct 7 is another
It is connected for circular arc between one end with one end, guide duct grip part 8；
Offering some vents bottom cabinet 2, air-out fan 11 installed by each vent, and guide duct grips
Portion 8 other end is sealingly mounted at inlet plenum, and inlet plenum and cabinet are set to integrative-structure, inlet plenum and cabinet
Mutually isolated by cutting off 10, cut off the 10 vent sides being fixed on cabinet 2, inlet plenum bottom is offered
Some air inlets, install air inlet fan 12 at air inlet, install some dedusting filter screens 9, often in inlet plenum
There is spacing distance between individual dedusting filter screen, prevent dust from excessively adsorbing and result in blockage；
Cabinet 2 placed inside fixed board 14, fixed board 14 is used for installing relay, fixed board 14
It is vertically mounted on cabinet 2 internal, circulates for upper and lower air, fixed board 14 arranges slideway 15,
Slideway 15 is semi-circular shape, offers open slot on semi-circular shape top, and the width of open slot is recessed with relay
The width of groove 17 adapts, and installs guide duct filter screen 16 between cabinet 2 vent and guide duct；
Relay one end arranges relay groove 17, and described relay groove 17 is used for slipping into slideway 15, continues
Electrical equipment inserts operating circuit by cable port, and cable gim peg 20 and cable activity bolt 22 match clamping work
Making circuit, cable gim peg 20 is fixed on relay base, and cable activity bolt 22 is adjusted by screw thread rotation
The degree of tightness state of joint clamping operating circuit, relay side arranges relay fin 18,19, relay
After operating circuit installation, insert slideway 15 by relay groove 17, some relays are inserted successively
Entering slideway 15, operating circuit is accommodated in the cable containing cavities 13 of slideway 15 and fixed board 14 formation；
Install U-shaped water pipe 28 on side cabinet 6 surface, U-shaped water pipe 28 is installed water pump 31 and is followed as water
Ring processing means, water pump 31 carries out water loop control by electrical control cubicles controller 30；
Side cabinet 6 inner surface is installed U-shaped water pipe 28, side cabinet 6 and side plate inner panel 29 and is formed sealing
Chamber, is encapsulated in U-shaped water pipe 28 in sealing chamber, prevents extraneous touching or corrodes to U-shaped water pipe
28, protect the U-shaped long-acting work of water pipe 28, and the cabinet 2 of electrical control cubicles, side cabinet 6, U-shaped water
Pipe and side plate inner panel 29 are metal material；
With side cabinet 6 side, side plate hinge 23 is installed at side plate inner panel 29, overhauls U-shaped water pipe at needs
When 28, it is possible to be easy to open side cabinet 6, by installing fixing post 25 inside side cabinet 6, described
Fixing post 25 is welded on fixing base for post 24, and fixing base for post 24 is arranged on side cabinet 6, with
The fixing tongue 26 that fixing post 25 matches is arranged on inside side plate inner panel 29, fixing tongue 26 for being symmetrical arranged,
After fixing post 25 inserts fixing tongue 26, side cabinet 6 and side plate inner panel are closely fastened, fixing post
25 surroundings are wedge shape, match with the wedge shape chamfering of fixing tongue 26；
Electrical control cubicles controller includes: MCU processor signal receiving terminal connects temperature sensor signal transmitting terminal,
MCU processor electric fan drive end connects electric fan drive circuit signal end, and electric fan drive circuit connects electrical control cubicles
Air-out fan and air inlet fan, MCU processor water pump drive end connects water pump drive circuit signal end, water
Pump drive circuit connects electrical control cubicles water pump, and MCU processor data interaction end connects WIFI cell data even
Connecing end, WIFI unit connects cloud server, and data-interface connects MCU processor data transmission ends,
It is connected anti-static circuit between data-interface with MCU processor；
MCU processor connects power subsystem, and MCU processor circuit signal end connects filter circuit of pressure-stabilizing
Signal end, MCU processor current limliting end connects current-limiting circuit.
Technique scheme have the beneficial effect that the application low-voltage electric cabinet not only save use space, and
And electrical control cubicles surrounding is seal casinghousing, prevents rainwater dust from entering, and achieved remotely by controller
Data interaction, Real-time Collection is analyzed the operating temperature of low-voltage electric cabinet, and is adjusted, this electrical control cubicles control
Device processed arranges filter circuit of pressure-stabilizing and power subsystem, makes the work of electrical control cubicles controller more reliable and more stable.
The described dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment, it is preferred that described power supply list
Unit includes: power interface the 1st electric capacity in parallel and the 2nd electric capacity, the 1st electric capacity after parallel connection and the 2nd electric capacity one
End connects the first manostat power input, and the first voltage regulator feedback end connects the 1st inductance one end, and first is steady
Depressor power output end connects the 1st inductance other end and the 1st diode cathode, the first manostat ground connection respectively
End connects the 1st electric capacity after the 1st diode cathode and parallel connection and the 2nd electric capacity other end respectively, and wherein the 1st
The reversal of diode is to play a protective role, and the effect of the first manostat is that 24V voltage carries out blood pressure lowering, the 1st
Inductance one end is also connected with the 3rd electric capacity one end, the 3rd electric capacity other end ground connection, and the 3rd electric capacity one end connects the most respectively
Connecing the 4th electric capacity one end and the second manostat power input, the 4th electric capacity other end connects the 1st resistance one end,
1st resistance other end ground connection, the second manostat power output end connects the 2nd resistance one end, and the 2nd resistance is another
One end connects the 5th electric capacity one end, and the second manostat power output end is also connected with the 6th electric capacity one end, and the 5th
Ground connection after the electric capacity other end and the connection of the 6th electric capacity other end, the 6th electric capacity one end is also connected with the 2nd light-emitting diodes
Pipe positive pole, the 6th electric capacity other end is also connected with the 2nd light emitting diode negative pole.
Technique scheme have the beneficial effect that this power subsystem can give electrical control cubicles controller provide stable
Power supply, helps low-voltage electric cabinet steady operation.
The described dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment, it is preferred that described current limliting electricity
Road includes: control end connection the 1st fet gate by connecting MCU processor high side fet,
1st field effect transistor source electrode connects 3.3V power end and the 7th electric capacity in parallel and the 8th electric capacity one end respectively,
7th electric capacity in parallel and the 8th electric capacity other end ground connection, the 1st field effect transistor drain electrode connects the 10th electricity respectively
Sense one end and the 2nd field effect transistor source electrode, the 2nd field effect transistor grounded drain, the 2nd fet gate connects
MCU processor low side fet control end, the 10th inductance other end connection the 9th electric capacity one end, the 9th
The electric capacity other end connects the 3rd resistance one end, and the 9th electric capacity one end is also connected with the 4th resistance one end, the 4th resistance
The other end connects the 3rd resistance other end, and the 3rd resistance other end is also connected with the 5th resistance one end, the 5th resistance
Other end ground connection, the 4th resistance one end is also connected with the 12nd electric capacity one end, and the 12nd electric capacity other end connects respectively
13rd electric capacity one end and the 4th resistance one end, the 13rd electric capacity other end connect respectively the 14th electric capacity one end and
12 electric capacity one end, the 14th electric capacity other end connects the 15th electric capacity one end and the 13rd electric capacity one end respectively, the
The 15 electric capacity other ends connect the 14th electric capacity one end and 1.8V power end respectively, the 15th electric capacity one end ground connection,
The 3rd resistance other end is also respectively connected with the 6th resistance one end and the 11st electric capacity one end, the 6th resistance other end
Connecting the 10th electric capacity one end, the 10th electric capacity other end connects at the 11st electric capacity other end and MCU respectively
Reason device current compensation controls end, and the 6th resistance one end is also connected with current feedback terminal.
Having the beneficial effect that of technique scheme ensures that MCU processor can be the most smooth and easy
Work, and be a kind of protective effect to MCU processor, prevent power supply by adding current-limiting circuit
The circuit damage that unit overload causes.
The described dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment, it is preferred that described voltage stabilizing is filtered
Wave circuit includes: the 16th connection the 7th resistance one end, electric capacity one end, the 7th resistance other end ground connection, the 16th
The electric capacity other end connects the 17th electric capacity one end, and the 17th electric capacity one end is also connected with the 18th electric capacity one end, and the 17th
The electric capacity other end connects the 8th resistance one end, and the 8th resistance other end ground connection, the 18th electric capacity one end is also connected with
19th electric capacity one end, the 18th electric capacity other end connection the 9th resistance one end, the 9th resistance other end ground connection,
19th electric capacity one end is also connected with the 3rd diode cathode, and the 19th electric capacity other end connects the 10th resistance one end,
10th resistance other end ground connection, the 3rd diode cathode connects the 2nd inductance one end, the 2nd inductance other end
Connecting MCU processor voltage stabilizing transmission ends, the 2nd inductance other end is also connected with the 20th electric capacity one end, and the 20th
Electric capacity other end ground connection, the 21st electric capacity in parallel and the 22nd electric capacity one end connect in MCU processor voltage stabilizing
Pull end, the 21st electric capacity in parallel and the 22nd electric capacity other end ground connection.
Technique scheme have the beneficial effect that this filter circuit of pressure-stabilizing can effectively prevent external voltage not
The stable damage causing the peripheral circuits such as MCU processor, makes circuit work more reliable and more stable.
The described dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment, it is preferred that described antistatic
Circuit includes: data-interface connects MCU processor data transmission ends, and data-interface voltage end connects parallel connection
The 23rd electric capacity and the 24th electric capacity one end, the 23rd in parallel electric capacity and the 24th electric capacity other end ground connection, the
25 electric capacity one end connect data-interface data input negative pole, the 25th electric capacity other end ground connection, the 26th electric capacity
One end connects data-interface data input positive pole, the 26th electric capacity other end ground connection, and the 27th electric capacity one end connects
The 26th electric capacity other end, the 27th electric capacity other end connects MCU processor data transmission ends, the 11st electricity
Resistance the 27th electric capacity in parallel.
Having the beneficial effect that of technique scheme is capable of data transmission or plate by anti-static circuit
During MCU processor is caused electrostatic injury, extend circuit service life.
The described dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment, it is preferred that described MCU
Processor is RT5350SF.
Invention additionally discloses a kind of dust-proof insulation high in the clouds monitoring electrical control cubicles method of work being used in power equipment,
Comprise the steps:
S1, temperature sensor obtains low-voltage electric cabinet internal temperature information, when low-voltage electric cabinet internal temperature surpasses
When crossing normal value, MCU processor controls air inlet fan to the internal air inlet of low-voltage electric cabinet, MCU simultaneously
Processor is opened air-out fan and is exhausted, and forms air circulation and dispel the heat in low-voltage electric cabinet；
S2, when electrical control cubicles side plate temperature is too high, water pump opened by MCU processor, and water pump drives U-shaped water
The condensate water circulatory of pipe, lowers the temperature to electrical control cubicles side plate；
S3, MCU processor, according to the change of electrical control cubicles internal temperature, adjusts air inlet fan and air-out fan
Rotating speed, and MCU processor is according to the change of electrical control cubicles side plate temperature, adjusts the speed of water pump current.
Having the beneficial effect that of technique scheme controls electrical control cubicles temperature, according to electricity by MCU processor
Control cabinet variations in temperature carries out the operating power of fan and water pump and adjusts, and makes low-voltage electric cabinet be maintained at steady operation
State of temperature under, extend electrical control cubicles service life.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The application low-voltage electric cabinet not only saves use space, and electrical control cubicles surrounding is seal casinghousing,
Preventing rainwater dust from entering, and it is mutual to achieve teledata by controller, Real-time Collection analyzes low pressure
The operating temperature of electrical control cubicles, and adjust, this electrical control cubicles controller arranges filter circuit of pressure-stabilizing and power supply
Unit, makes the work of electrical control cubicles controller more reliable and more stable.Fan and water is carried out according to electrical control cubicles variations in temperature
The operating power of pump adjusts, and makes low-voltage electric cabinet be maintained under the state of temperature of steady operation, extends electrical control cubicles
Service life.
The additional aspect of the present invention and advantage will part be given in the following description, and part will be retouched from following
Become obvious in stating, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment
Will be apparent from easy to understand, wherein:
Fig. 1 is overall circuit schematic diagram of the present invention；
Fig. 2 is rolling screen door electrical control cubicles schematic diagram of the present invention；
Fig. 3 is air flow conduit schematic diagram of the present invention；
Fig. 4 is bottom air inlet fan air-out fan schematic diagram of the present invention；
Fig. 5 is the internal riser schematic diagram of the present invention；
Fig. 6 is invention relay schematic diagram；
Fig. 7 is the present invention U-shaped water pipe schematic diagram；
Fig. 8 is lateral plate structure schematic diagram of the present invention；
Fig. 9 is that schematic diagram fixed by side plate of the present invention；
Figure 10 is power subsystem schematic diagram of the present invention；
Figure 11 is current-limiting circuit schematic diagram of the present invention；
Figure 12 is filter circuit of pressure-stabilizing schematic diagram of the present invention；
Figure 13 is anti-static circuit schematic diagram of the present invention.
Symbol description:
1 wireless WIFI unit, 2 cabinets, 4 cabinet doors, 6 side cabinets, 7 guide ducts, 8 guide ducts are held
Hold portion, 9 dedusting filter screens, 10 partitions, 11 air-out fans, 12 air inlet fan, 13 cable containing cavities, 14
Dispel the heat for relay in fixed board, 15 slideways, 16 guide duct filter screens, 17 relay grooves, 18 and 19
Sheet, 20 cable gim pegs, 21 cable port, 22 cable activity bolts, 23 side plate hinges, 24 fix base for post
Seat, 25 fix post, 26 fix tongue, 27 fix tongue pedestal, 28 for U-shaped water pipe, 29 side plate inner panels,
30 electrical control cubicles controllers, 31 water pumps
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, wherein certainly
Begin to same or similar label eventually represent same or similar element or there is the unit of same or like function
Part.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and can not
It is interpreted as limitation of the present invention.
In describing the invention, it is to be understood that term " longitudinally ", " laterally ", " on ", D score, " front ",
The orientation of the instruction such as " afterwards ", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " or position
Relation of putting, for based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplification is retouched
State rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation
Structure and operation, be therefore not considered as limiting the invention.
In describing the invention, unless otherwise prescribed and limit, it should be noted that term " is installed ",
" be connected ", " connection " should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to be two
The connection of individual element internal, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term can be understood as the case may be.
As illustrated in fig. 1 and 2, cabinet 2 arrange can the cabinet door 4 of folding, the side cabinet of cabinet 2 side
6 install electrical control cubicles controller 30, and this electrical control cubicles controller 30 is able to receive that and sends radiofrequency signal, use
Person carries out the operation management of identity information confirmation and electrical control cubicles by radio-frequency card.Wireless WIFI unit is pacified
It is contained in electrical control cubicles shell upper.
Electrical control cubicles controller includes: MCU processor electric fan drive end connects electric fan drive circuit signal end,
Electric fan drive circuit connects electrical control cubicles air-out fan and air inlet fan, and MCU processor water pump drive end connects
Water pump drive circuit signal end, water pump drive circuit connects electrical control cubicles water pump, and MCU processor data is mutual
End connects WIFI cell data and connects end, and WIFI unit can connect external wireless data, or connects cloud
End server, is transferred to cloud server or long-distance user by the real time operation parameter of electrical control cubicles, it is also possible to
Realize electrical control cubicles to be placed between building, each electrical control cubicles data mutual, MCU processor in order to
Steady operation thus anti-static circuit is set, data-interface USB interface carry out plug operation or data
In transmitting procedure, anti-static circuit is set, prevents MCU processor from burning or short circuit, MCU process
Anti-static circuit it is connected between device with data-interface.
When MCU processor connects power subsystem, in order to allow the steady operation of MCU processor own, MCU
Processor circuit signal end connects filter circuit of pressure-stabilizing signal end, prevents external power source by filter circuit of pressure-stabilizing
The injury that MCU processor is caused by power supply instability.
The internally installed temperature sensor of electrical control cubicles, is sent to MCU processor, at MCU by temperature signal
Reason device signal receiving end connects temperature sensor signal transmitting terminal.
Lightning protection device is installed outside electrical control cubicles, prevents the circuit in the abnormal electrical control cubicles caused of weather condition from burning
Bad risk.
MCU processor power supply end connects power subsystem feeder ear, and MCU processor is carried out by power subsystem
Power thus obtain 3.3V power supply, and power subsystem can give the output that the offer of MCU processor is stable
Power supply.
MCU processor current limliting end connects current-limiting circuit, it is ensured that MCU processor can be in low current condition
Under smooth and easy work, and be a kind of protective effect to MCU processor, prevent by adding current-limiting circuit
The circuit damage that only power subsystem overload causes.
MCU processor power supply steady press bond filter circuit of pressure-stabilizing signal end, by filter circuit of pressure-stabilizing pair
MCU processor carries out voltage regulation filtering.
As shown in Figures 2 and 3, vent is offered in cabinet 2 rear end, installs guide duct 7 one end at vent,
It is connected for circular arc between guide duct 7 other end with one end, guide duct grip part 8, it is ensured that air circulation is smooth and easy,
Guide duct grip part 8 can facilitate user take or move electrical control cubicles.
As shown in Figure 4, offering some vents bottom cabinet 2, air-out fan 11 installed by each vent,
Guide duct grip part 8 other end is sealingly mounted at inlet plenum, and inlet plenum and cabinet are set to integrative-structure, enter
Air chamber and cabinet are mutually isolated by cutting off 10, cut off the 10 vent sides being fixed on cabinet 2, air inlet
Some air inlets are offered in bottom, room, install air inlet fan 12 at air inlet, install some removing in inlet plenum
Dirt filter screen 9, has spacing distance between each dedusting filter screen, prevents dust from excessively adsorbing and results in blockage.
As it is shown in figure 5, cabinet 2 placed inside fixed board 14, fixed board 14 is used for installing relay,
It is internal that fixed board 14 is vertically mounted on cabinet 2, circulates for upper and lower air, owing to cabinet top is with vertical
Face is enclosed construction, and only bottom arranges ventilation installation, so prevents dust from falling into, and also avoids automatically controlled simultaneously
The risk that when cabinet is placed on outdoor, rainwater enters, arranges slideway 15 on fixed board 14, and slideway 15 is
Semi-circular shape, offers open slot on semi-circular shape top, the width of open slot and the width of relay groove 17
Degree adapts, and installs guide duct filter screen 16, be used for preventing dust between cabinet 2 vent and guide duct
Enter, affect electrical control cubicles and normally work.
As shown in Figure 6, relay one end arranges relay groove 17, and described relay groove 17 is used for sliding
Entering slideway 15, relay inserts operating circuit, cable gim peg 20 and cable activity bolt 22 by cable port
Match clamping operating circuit, and cable gim peg 20 is fixed on relay base, cable activity bolt 22
By the degree of tightness state of screw thread rotation regulation clamping operating circuit, relay side arranges relay fin
18,19, after relay operating circuit installation, insert slideway 15 by relay groove 17, if will
Dry relay is sequentially inserted into slideway 15, and operating circuit is accommodated in slideway 15 and the line of fixed board 14 formation
In cable containing cavities 13, such effect is that circuit storage is neat, it is simple to maintenance is searched, and improves work efficiency.
As it is shown in fig. 7, install U-shaped water pipe 28 on side cabinet 6 surface, its mounting means can be weldering
Connect, water pipe becket fixes snapping, and U-shaped water pipe 28 installs water pump 31 as water circulation treatment device, water
Pump 31 carries out water loop control by electrical control cubicles controller 30.
As shown in Figure 8, for the preferred embodiment of U-shaped water pipe 28, side cabinet 6 inner surface is installed U-shaped
Water pipe 28, side cabinet 6 and side plate inner panel 29 are formed and seal chamber, are encapsulated in close by U-shaped water pipe 28
In envelope chamber, prevent extraneous touching or corrode to U-shaped water pipe 28, protecting the U-shaped long-acting work of water pipe 28
Make, and the cabinet 2 of electrical control cubicles, side cabinet 6, U-shaped water pipe and side plate inner panel 29 be metal material,
Heat conductivility is good, makes electrical control cubicles be maintained at the state of Effec-tive Function.
As it is shown in figure 9, overhaul for the ease of electrical control cubicles, pacify with side cabinet 6 side at side plate inner panel 29
Dress side plate hinge 23, when needs overhaul U-shaped water pipe 28, it is possible to be easy to open side cabinet 6, at ordinary times
In order to protect U-shaped water pipe 28, by installing fixing post 25, described fixing post 25 inside side cabinet 6
Being welded on fixing base for post 24, fixing base for post 24 is arranged on side cabinet 6, with fixing post 25
The fixing tongue 26 matched is arranged on inside side plate inner panel 29, and fixing tongue 26, for being symmetrical arranged, fixes post
After 25 insert fixing tongue 26, side cabinet 6 and side plate inner panel are closely fastened, fixing post 25 surrounding
For wedge shape, match with the wedge shape chamfering of fixing tongue 26.
As shown in Figure 10, power subsystem includes: power interface the 1st electric capacity in parallel and the 2nd electric capacity, in parallel
After the 1st electric capacity and the 2nd electric capacity one end connect the first manostat power input, the first voltage regulator feedback end
Connecting the 1st inductance one end, the first manostat power output end connects the 1st inductance other end and the 1st respectively
Diode cathode, the first manostat earth terminal connects the 1st electric capacity after the 1st diode cathode and parallel connection respectively
With the 2nd electric capacity other end, wherein the 1st reversal of diode is to play a protective role, the effect of the first manostat
Being that 24V voltage carries out blood pressure lowering, the 1st inductance one end is also connected with the 3rd electric capacity one end, the 3rd electric capacity another
End ground connection, the 3rd electric capacity one end is also respectively connected with the 4th electric capacity one end and the second manostat power input, the
The 4 electric capacity other ends connect the 1st resistance one end, the 1st resistance other end ground connection, the second manostat power supply output
End connects the 2nd resistance one end, and the 2nd resistance other end connects the 5th electric capacity one end, and the second manostat power supply is defeated
Go out end and be also connected with ground connection after the 6th electric capacity one end, the 5th electric capacity other end and the 6th electric capacity other end connect, the
6 electric capacity one end are also connected with the 2nd light emitting diode positive pole, and the 6th electric capacity other end is also connected with the 2nd light-emitting diodes
Pipe negative pole.This power subsystem exports stable 24V voltage and 3.3V voltage, and power work is stable.
As shown in figure 11, current-limiting circuit includes: control by connecting MCU processor high side fet
End connects the 1st fet gate, and the 1st field effect transistor source electrode connects 3.3V power end and parallel connection respectively
7th electric capacity and the 8th electric capacity one end, the 7th electric capacity in parallel and the 8th electric capacity other end ground connection, the 1st effect
Pipe drain electrode should connect the 10th inductance one end and the 2nd field effect transistor source electrode respectively, the 2nd field effect transistor drain electrode connects
Ground, the 2nd fet gate connects MCU processor low side fet and controls end, and the 10th inductance is another
One end connects the 9th electric capacity one end, and the 9th electric capacity other end connects the 3rd resistance one end, and the 9th electric capacity one end is also
Connecting the 4th resistance one end, the 4th resistance other end connects the 3rd resistance other end, and the 3rd resistance other end is also
Connecting the 5th resistance one end, the 5th resistance other end ground connection, the 4th resistance one end is also connected with the 12nd electric capacity one
End, the 12nd electric capacity other end connects the 13rd electric capacity one end and the 4th resistance one end respectively, and the 13rd electric capacity is another
One end connects the 14th electric capacity one end and 12 electric capacity one end respectively, and the 14th electric capacity other end connects the 15th respectively
Electric capacity one end and the 13rd electric capacity one end, the 15th electric capacity other end connects the 14th electric capacity one end and 1.8V respectively
Power end, the 15th electric capacity one end ground connection, the 3rd resistance other end is also respectively connected with the 6th resistance one end and
11 electric capacity one end, the 6th resistance other end connects the 10th electric capacity one end, and the 10th electric capacity other end connects respectively
Connecing the 11st electric capacity other end and MCU processor current compensation controls end, the 6th resistance one end is also connected with electricity
Stream feedback end.
As shown in figure 12, filter circuit of pressure-stabilizing includes: the 16th electric capacity one end connects the 7th resistance one end, the
7 resistance other end ground connection, the 16th electric capacity other end connects the 17th electric capacity one end, and the 17th electric capacity one end is also
Connecting the 18th electric capacity one end, the 17th electric capacity other end connects the 8th resistance one end, another termination of the 8th resistance
Ground, the 18th electric capacity one end is also connected with the 19th electric capacity one end, and the 18th electric capacity other end connects the 9th resistance one
End, the 9th resistance other end ground connection, the 19th electric capacity one end is also connected with the 3rd diode cathode, the 19th electric capacity
The other end connects the 10th resistance one end, the 10th resistance other end ground connection, and the 3rd diode cathode connects the 2nd
Inductance one end, the 2nd inductance other end connects MCU processor voltage stabilizing transmission ends, and the 2nd inductance other end is also
Connect the 20th electric capacity one end, the 20th electric capacity other end ground connection, the 21st electric capacity in parallel and the 22nd electric capacity one
End connects pull end in MCU processor voltage stabilizing, the 21st electric capacity in parallel and the 22nd electric capacity other end ground connection.
As shown in figure 13, data transmission anti-static circuit includes: data-interface connects MCU processor number
According to transmission ends, data-interface voltage end connects the 23rd electric capacity in parallel and the 24th electric capacity one end, and in parallel the
23 electric capacity and the 24th electric capacity other end ground connection, the 25th electric capacity one end connects data-interface data input negative pole,
25th electric capacity other end ground connection, the 26th electric capacity one end connects data-interface data input positive pole, the 26th electricity
Holding other end ground connection, the 27th electric capacity one end connects the 26th electric capacity other end, and the 27th electric capacity other end connects
MCU processor data transmission ends, the 11st resistor coupled in parallel the 27th electric capacity.
4th diode and the 5th diode are two-way stable state diode.
MCU processor is preferably RT5350SF.
Invention additionally discloses a kind of dust-proof insulation high in the clouds monitoring electrical control cubicles method of work being used in power equipment,
Comprise the steps:
S1, temperature sensor obtains low-voltage electric cabinet internal temperature information, when low-voltage electric cabinet internal temperature surpasses
When crossing normal value, MCU processor controls air inlet fan to the internal air inlet of low-voltage electric cabinet, MCU simultaneously
Processor is opened air-out fan and is exhausted, and forms air circulation and dispel the heat in low-voltage electric cabinet；
S2, when electrical control cubicles side plate temperature is too high, water pump opened by MCU processor, and water pump drives U-shaped water
The condensate water circulatory of pipe, lowers the temperature to electrical control cubicles side plate；
S3, MCU processor, according to the change of electrical control cubicles internal temperature, adjusts air inlet fan and air-out fan
Rotating speed, and MCU processor is according to the change of electrical control cubicles side plate temperature, adjusts the speed of water pump current.
Having the beneficial effect that of technique scheme controls electrical control cubicles temperature, according to electricity by MCU processor
Control cabinet variations in temperature carries out the operating power of fan and water pump and adjusts, and makes low-voltage electric cabinet be maintained at steady operation
State of temperature under, extend electrical control cubicles service life.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
The description of " concrete example " or " some examples " etc. means to combine the concrete spy of this embodiment or example description
Levy, structure, material or feature are contained at least one embodiment or the example of the present invention.In this explanation
In book, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, retouch
Specific features, structure, material or the feature stated can be in any one or more embodiments or example
Combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, those of ordinary skill in the art can manage
Solve: these embodiments can be carried out in the case of without departing from the principle of the present invention and objective multiple change,
Amendment, replacement and modification, the scope of the present invention is limited by claim and equivalent thereof.
Claims (7)
1. the dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment, it is characterised in that including: the side cabinet (6) of cabinet (2) side installs electrical control cubicles controller (30),
Vent is offered in described cabinet (2) rear end, installs guide duct (7) one end, be connected for circular arc between guide duct (7) other end with guide duct grip part (8) one end at vent；
Some vents are offered in cabinet (2) bottom, air-out fan (11) installed by each vent, guide duct grip part (8) other end is sealingly mounted at inlet plenum, inlet plenum and cabinet are set to integrative-structure, inlet plenum and cabinet are mutually isolated by cutting off (10), cut off (10) and be fixed on the vent side of cabinet (2), some air inlets are offered in inlet plenum bottom, at air inlet, air inlet fan (12) is installed, some dedusting filter screens (9) are installed in inlet plenum, spacing distance is had between each dedusting filter screen, prevent from dust from excessively adsorbing to result in blockage；
Cabinet (2) placed inside fixed board (14), fixed board (14) is used for installing relay, it is internal that fixed board (14) is vertically mounted on cabinet (2), circulate for upper and lower air, fixed board (14) arranges slideway (15), slideway (15) is semi-circular shape, open slot is offered on semi-circular shape top, the width of open slot adapts with the width of relay groove (17), installs guide duct filter screen (16) at cabinet (2) between vent and guide duct；
Relay one end arranges relay groove (17), described relay groove (17) is used for slipping into slideway (15), relay inserts operating circuit by cable port, cable gim peg (20) and cable activity bolt (22) match clamping operating circuit, cable gim peg (20) is fixed on relay base, cable activity bolt (22) is by the degree of tightness state of screw thread rotation regulation clamping operating circuit, relay side arranges relay fin (18), (19), after relay operating circuit installation, slideway (15) is inserted by relay groove (17), some relays are sequentially inserted into slideway (15), in the cable containing cavities (13) that operating circuit is accommodated in slideway (15) and fixed board (14) is formed；
U-shaped water pipe (28) is installed on side cabinet (6) surface, U-shaped water pipe (28) is installed water pump (31) and is carried out water loop control as water circulation treatment device, water pump (31) by electrical control cubicles controller (30)；
Side cabinet (6) inner surface installs U-shaped water pipe (28); side cabinet (6) and side plate inner panel (29) are formed and seal chamber; U-shaped water pipe (28) is encapsulated in sealing chamber; prevent extraneous touching or corrode to U-shaped water pipe (28); protect U-shaped water pipe (28) long-acting work, and the cabinet of electrical control cubicles (2), side cabinet (6), U-shaped water pipe and side plate inner panel (29) are metal material；
With side cabinet (6) side, side plate hinge (23) is installed at side plate inner panel (29), when needs overhaul U-shaped water pipe (28), side cabinet (6) can be easy to open, by side cabinet (6) inner side, fixing post (25) is installed, described fixing post (25) is welded on fixing base for post (24), fixing base for post (24) is arranged on side cabinet (6), the fixing tongue (26) matched with fixing post (25) is arranged on side plate inner panel (29) inner side, fixing tongue (26) is for being symmetrical arranged, after fixing post (25) inserts fixing tongue (26), side cabinet (6) and side plate inner panel are closely fastened, fixing post (25) surrounding is wedge shape, match with the wedge shape chamfering of fixing tongue (26)；
Electrical control cubicles controller includes: MCU processor signal receiving terminal connects temperature sensor signal transmitting terminal, MCU processor electric fan drive end connects electric fan drive circuit signal end, electric fan drive circuit connects electrical control cubicles air-out fan and air inlet fan, MCU processor water pump drive end connects water pump drive circuit signal end, water pump drive circuit connects electrical control cubicles water pump, MCU processor data interaction end connects WIFI cell data and connects end, WIFI unit connects cloud server, data-interface connects MCU processor data transmission ends, it is connected anti-static circuit between data-interface with MCU processor；
MCU processor connects power subsystem, and MCU processor circuit signal end connects filter circuit of pressure-stabilizing signal end, and MCU processor current limliting end connects current-limiting circuit.
nullThe dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment the most according to claim 1，It is characterized in that，Described power subsystem includes: power interface the 1st electric capacity in parallel and the 2nd electric capacity，The 1st electric capacity and the 2nd electric capacity one end after parallel connection connect the first manostat power input，First voltage regulator feedback end connects the 1st inductance one end，First manostat power output end connects the 1st inductance other end and the 1st diode cathode respectively，First manostat earth terminal connects the 1st electric capacity after the 1st diode cathode and parallel connection and the 2nd electric capacity other end respectively，Wherein the 1st reversal of diode is to play a protective role，The effect of the first manostat is that 24V voltage is carried out blood pressure lowering，1st inductance one end is also connected with the 3rd electric capacity one end，3rd electric capacity other end ground connection，3rd electric capacity one end is also respectively connected with the 4th electric capacity one end and the second manostat power input，The 4th electric capacity other end connects the 1st resistance one end，1st resistance other end ground connection，Second manostat power output end connects the 2nd resistance one end，The 2nd resistance other end connects the 5th electric capacity one end，Second manostat power output end is also connected with the 6th electric capacity one end，Ground connection after the 5th electric capacity other end and the connection of the 6th electric capacity other end，6th electric capacity one end is also connected with the 2nd light emitting diode positive pole，The 6th electric capacity other end is also connected with the 2nd light emitting diode negative pole.
nullThe dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment the most according to claim 1，It is characterized in that，Described current-limiting circuit includes: control end connection the 1st fet gate by connecting MCU processor high side fet，1st field effect transistor source electrode connects 3.3V power end and the 7th electric capacity in parallel and the 8th electric capacity one end respectively，7th electric capacity in parallel and the 8th electric capacity other end ground connection，1st field effect transistor drain electrode connects the 10th inductance one end and the 2nd field effect transistor source electrode respectively，2nd field effect transistor grounded drain，2nd fet gate connects MCU processor low side fet and controls end，The 10th inductance other end connects the 9th electric capacity one end，The 9th electric capacity other end connects the 3rd resistance one end，9th electric capacity one end is also connected with the 4th resistance one end，The 4th resistance other end connects the 3rd resistance other end，The 3rd resistance other end is also connected with the 5th resistance one end，5th resistance other end ground connection，4th resistance one end is also connected with the 12nd electric capacity one end，The 12nd electric capacity other end connects the 13rd electric capacity one end and the 4th resistance one end respectively，The 13rd electric capacity other end connects the 14th electric capacity one end and 12 electric capacity one end respectively，The 14th electric capacity other end connects the 15th electric capacity one end and the 13rd electric capacity one end respectively，The 15th electric capacity other end connects the 14th electric capacity one end and 1.8V power end respectively，15th electric capacity one end ground connection，The 3rd resistance other end is also respectively connected with the 6th resistance one end and the 11st electric capacity one end，The 6th resistance other end connects the 10th electric capacity one end，The 10th electric capacity other end connects the 11st electric capacity other end respectively and MCU processor current compensation controls end，6th resistance one end is also connected with current feedback terminal.
nullThe dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment the most according to claim 1，It is characterized in that，Described filter circuit of pressure-stabilizing includes: the 16th electric capacity one end connects the 7th resistance one end，7th resistance other end ground connection，The 16th electric capacity other end connects the 17th electric capacity one end，17th electric capacity one end is also connected with the 18th electric capacity one end，The 17th electric capacity other end connects the 8th resistance one end，8th resistance other end ground connection，18th electric capacity one end is also connected with the 19th electric capacity one end，The 18th electric capacity other end connects the 9th resistance one end，9th resistance other end ground connection，19th electric capacity one end is also connected with the 3rd diode cathode，The 19th electric capacity other end connects the 10th resistance one end，10th resistance other end ground connection，3rd diode cathode connects the 2nd inductance one end，The 2nd inductance other end connects MCU processor voltage stabilizing transmission ends，The 2nd inductance other end is also connected with the 20th electric capacity one end，20th electric capacity other end ground connection，21st electric capacity in parallel and the 22nd electric capacity one end connect pull end in MCU processor voltage stabilizing，21st electric capacity in parallel and the 22nd electric capacity other end ground connection.
The dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment the most according to claim 1, it is characterized in that, described anti-static circuit includes: data-interface connects MCU processor data transmission ends, data-interface voltage end connects the 23rd electric capacity in parallel and the 24th electric capacity one end, 23rd electric capacity in parallel and the 24th electric capacity other end ground connection, 25th electric capacity one end connects data-interface data input negative pole, 25th electric capacity other end ground connection, 26th electric capacity one end connects data-interface data input positive pole, 26th electric capacity other end ground connection, 27th electric capacity one end connects the 26th electric capacity other end, the 27th electric capacity other end connects MCU processor data transmission ends, 11st resistor coupled in parallel the 27th electric capacity.
The dust-proof insulation high in the clouds monitoring electrical control cubicles being used in power equipment the most according to claim 1, it is characterised in that described MCU processor is RT5350SF.
7. the dust-proof insulation high in the clouds monitoring electrical control cubicles method of work being used in power equipment, it is characterised in that comprise the steps:
S1, temperature sensor obtains low-voltage electric cabinet internal temperature information, when low-voltage electric cabinet internal temperature exceedes normal value, MCU processor controls air inlet fan to the internal air inlet of low-voltage electric cabinet, the air-out fan of MCU processor unlatching simultaneously is exhausted, and forms air circulation and dispel the heat in low-voltage electric cabinet；
S2, when electrical control cubicles side plate temperature is too high, water pump opened by MCU processor, and water pump drives the condensate water circulatory of U-shaped water pipe, lowers the temperature electrical control cubicles side plate；
S3, MCU processor, according to the change of electrical control cubicles internal temperature, adjusts air inlet fan and the rotating speed of air-out fan, and MCU processor is according to the change of electrical control cubicles side plate temperature, adjusts the speed of water pump current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610585183.7A CN106020064A (en) | 2016-07-23 | 2016-07-23 | Dustproof insulated cloud monitoring electric control cabinet applied to electric power equipment, and operating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610585183.7A CN106020064A (en) | 2016-07-23 | 2016-07-23 | Dustproof insulated cloud monitoring electric control cabinet applied to electric power equipment, and operating method thereof |
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| CN106020064A true CN106020064A (en) | 2016-10-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112864858A (en) * | 2021-01-13 | 2021-05-28 | 中科瑞能电气股份有限公司 | Looped netowrk cabinet that strong adaptability |
| CN113137732A (en) * | 2021-03-23 | 2021-07-20 | 浙江中广电器股份有限公司 | Control method for heating water in low-frequency running of outdoor unit of triple co-generation system |
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Application publication date: 20161012 |