CN206283315U - A kind of dual power supply switching electrical equipment electricity cabinet - Google Patents
A kind of dual power supply switching electrical equipment electricity cabinet Download PDFInfo
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- CN206283315U CN206283315U CN201621400497.7U CN201621400497U CN206283315U CN 206283315 U CN206283315 U CN 206283315U CN 201621400497 U CN201621400497 U CN 201621400497U CN 206283315 U CN206283315 U CN 206283315U
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Abstract
The utility model discloses a kind of dual power supply switching electrical equipment electricity cabinet, it is characterized in that employing, structure is relatively simple and double power supply converting switch body of convenient control, and in electronic controller, two power transformer circuit reductions replace the voltage signal sampling circuit of transformer into voltage transformer circuit, with capacitance decompression plus precision photoelectric coupler；Metal cabinet door is using the rotary door hand component with draw ring and handle protecting cover being made up of flame-retarded plastic.Its advantage is：Scientific structure is simple, it is reasonable in design, easy to manufacture, cabinet door folding with convenience, door hand assembly volume reduces, it is easy to operate, moisture proof rustproof property preferably, can effectively prevent that the hand component from going mouldy because making moist, corrosion causes stuck phenomenon, it is to avoid be difficult to open the situation generation of cabinet door when emergent, and service life is relatively long, low cost of manufacture.Because the number transformer for using is few, controller volume reduces, and small power consumption, security is good, and reliability is high, and extends service life.
Description
Technical field
The utility model is related to a kind of electric cabinet, more particularly to a kind of dual power supply switching electrical equipment electricity cabinet.
Background technology
The electric cabinet door of dual power supply switching electrical equipment electricity cabinet in the market, under normal circumstances, because the electric cabinet having sets all the year round
It is placed in basement, air relative humidity can also encounter ground leak to the problem of basement, due to used by electric cabinet door sometimes
For pulling open the door hand component of cabinet door for metal structure, the inside is provided with button, spring and is locked part, and the time is long, easily receives
Tide goes mouldy, corrosion, causes stuck phenomenon, and when generation emergency needs to open cabinet door, just hair wastes time, and causing can not
The loss of appraisal.
And, the built-in dual power supply switching electrical equipment of dual power supply switching electrical equipment electricity cabinet is using traditional more complicated mechanism's knot
Structure, many inconvenience are brought to line service.And it is provided with the circuit for monitoring current power supply voltage in control circuit
Module, typically by miniature transformer be used as decompression device power-frequency voltage is dropped in proportion compare lower security control source to control
Circuit voltage test side processed carries out voltage monitoring.General two-way detecting voltage by three phase needs 6 miniature transformers, miniature transformer
It is inductive load, volume is big because it is present, takes the larger space of controller, is unfavorable for that controller is minimized；But also
There is the defects such as miniature transformer harmonic wave is high, electromagnetic radiation is high, high cost, power consumption big, easily burn out.Further, since control electricity
The power supply on road is also adopted by two-way power supply and powers, and traditional power supply needs to use two transformers two-way power supply is carried out respectively
Step-down, rectification, then again and into all the way, so causing circuit structure complicated, controller volume is made than larger, work(two-way power supply
Consumption is big, high cost.
Utility model content
There is drawbacks described above to solve existing dual power supply switching electrical equipment electricity cabinet, the utility model provide a kind of simple structure,
The convenient dual power supply switching electrical equipment electricity cabinet of controller.
To achieve the above object, the scheme that the utility model is taken is：
A kind of dual power supply switching electrical equipment electricity cabinet, including metal cabinet and metal cabinet door；It is characterized in that：It is provided with the cabinet
Conventional power supply breaker, stand-by power supply control breaker, dual power supply switching electrical equipment and power supply output breaker；Conventional power supply
Control breaker and stand-by power supply control breaker are disposed on the left and right sides on cabinet top, and dual power supply switching electrical equipment is set
Below conventional power supply breaker and stand-by power supply control breaker, power supply output breaker dual power supply switching electrical equipment is set
Below dual power supply switching electrical equipment；Conventional power supply breaker electrically connects with the conventional power input of dual power supply switching electrical equipment
Connect, stand-by power supply controls breaker and the stand-by power supply input electrical connection of dual power supply switching electrical equipment, power supply output breaker
Power output end with dual power supply switching electrical equipment is electrically connected；
Dual power supply switching electrical equipment includes double power supply converting switch body and electronic controller；Double power supply converting switch body bag
Include mounting base, conventional power supply switching breaker, stand-by power supply switching breaker and breaker switching device；Conventional power supply switching
Breaker, stand-by power supply switching breaker and breaker switching device are arranged on mounting base, commonly use power supply switching open circuit
Device and stand-by power supply switching breaker are disposed on the left and right sides of mounting base, and breaker switching device is arranged on conventional electricity
Source switches between breaker and stand-by power supply switching breaker；
Breaker switching device includes fixed base plate, top cover and switching mechanism；Top cover is covered on fixed base plate, top cover and solid
Determine to form a space for installation switching mechanism between base plate, switching mechanism is arranged on fixed base plate；Fixed base plate or so two
Side is equipped with square hole, and the position of opening of the square hole switches opening for breaker with conventional power supply switching breaker, stand-by power supply respectively
Position correspondence where closing handle, conventional power supply switching breaker, the switch knob of stand-by power supply switching breaker pass through respectively
The square hole of respective respective side stretches out from fixed base plate；
Switching mechanism includes can the reducing motor of rotating, switch-interlocking component, switch executive module；Switch executive module
It is two, is separately fixed at the fixed base plate left and right sides, opening for breaker is switched with conventional power supply switching breaker, stand-by power supply
The position for closing handle corresponds respectively；Switch executive module includes two guide rails be arrangeding in parallel and is sheathed on the guide rail
Sliding block；Guide rail is cased with return spring in sliding block both sides；Sliding block and each self-corresponding conventional power supply switching breaker, stand-by power supply
Switch the switch knob connection of breaker, slider top is provided with guide groove；Switch-interlocking component includes left swing arm, right swing arm, swing arm
Support shaft, 4 bearings and the chain cam of switching；Reducing motor is fixed on the fixed base plate back side, and its output shaft is carried on the back from fixed base plate
Towards above stretching out, switch chain cam and be socketed in reducing motor output shaft, left swing arm is arranged on by swing arm support shaft and cut
Chain cam left side is changed, right swing arm is arranged on the chain cam right side of switching by swing arm support shaft；4 bearing distributions are arranged on a left side
Swing arm and the left end back side and the right-hand member back side of right swing arm, the bearing at the left swing arm left end back side are positioned over left-side switch executive module
In the guide groove of slider top, the bearing at the right swing arm left end back side is positioned over the guide groove of the slider top of right-side switch executive module
In；Contacts side surfaces on the left of the bearing and the chain cam of switching at the left swing arm right-hand member back side, when switching chain cam rotation, along switching
Chain cam left side pattern curve motion；Contacts side surfaces on the right side of the bearing and the chain cam of switching at the right swing arm left end back side, cut
When changing chain cam rotation, moved along the chain cam right side pattern curve of switching.
As such scheme further improvement and further illustrate, foregoing fixed base plate is provided with two travel switches,
Two travel switches are separately positioned on " combined floodgate " stroke-end position of the sliding block of switch executive module.
As such scheme further improvement and further illustrate, aforementioned metal cabinet door is symmetrical opposite opened
Structure, respectively left cabinet door and right cabinet door；Left cabinet door and right cabinet door the close cabinet door marginal portion at place adjacent to each other be provided with by
The door hand component that flame-retarded plastic is made；Door hand component is damascene structures, door hand component include panel, mounting post, rotating pull handle,
Handle rotating shaft and handle protecting cover；Rotating pull handle includes the tie rod and a draw ring of square strip, and draw ring is connected in after tie rod
Downside, draw ring upper end connects with rotating part and is integrated, and panel is provided with the square groove of length and width and the matching of tie rod length and width, and tie rod is arranged at
In the square groove；Handle protecting cover inside has a flat slot structure that can accommodate rotating pull handle rotation in it, flat slot structure with
Square groove is connected, and handle protecting cover fixes the rear side for being fastened on panel, and handle rotating shaft is arranged on opening for handle protecting cover with across form
Mouthful end both sides, the inboard linking of the tie rod of rotating pull handle at its head end 1/3rd has rotating part, and rotating part is provided with rotation
Hole, rotating pull handle can be rotatably set in handle rotating shaft by the rotating hole；Mounting post is two, and distribution respectively is arranged on face
The two ends of the rear side of plate, positioned at the both sides up and down of handle protecting cover；Draw ring is provided with some sections with tie rod and rotating part junction both sides
Material shallow slot；Rotating pull handle also includes a load reinforcing plate for right angled triangle, after the load reinforcing plate is tiltedly arranged on tie rod
Upside, outwards, two right-angle sides connect be integrated respectively the load reinforcing plate hypotenuse with tie rod and rotating part；Load reinforcing plate both sides
It is provided with the material-saving shallow slot of right angled triangle；The tie rod front side upper end of rotating pull handle is provided with some anti-skidding convex grains；After handle protecting cover
The upper and lower both sides in portion are respectively provided with one section of arc tegmental wall；The bottom of tie rod with respect to draw ring lower end to prominent, at handle protecting cover opening
Inner underside be provided with a recessed spacing breach, the spacing breach matches with the bottom of tie rod, recessed depth and tie rod
Thickness is identical.
Used as further illustrating for such scheme, aforementioned electronic controller includes circuits below：
It is responsible for the DC power-supply circuit powered to each several part circuit；
As the microcontroller of control unit；
Be connected with the input of microcontroller, for the keyboard to microcontroller input instruction；
The sample circuit that the three-phase voltage for commonly using power supply and stand-by power supply is acquired, process respectively, sample circuit and
The input connection of microcontroller, input voltage signal to microcontroller is processed its input signal by microcontroller；
By the output photoelectric isolator of its output signal of microprocessor control, the output end connection of direct and microcontroller；
The output signal of output photoelectric isolator carries out the drive circuit of power amplification, direct and output photoelectric isolator
Output end is connected；
By the display circuit of its display content of microprocessor control, the output end connection of direct and microcontroller；
The backlight circuit of backlight is provided for display circuit, input passes through drive circuit, output photoelectric isolator and micro-control
The output end connection of device processed, by microprocessor control, it lights；
The change-over circuit that it carries out switching motion by microprocessor control, input by drive circuit, output photoelectric every
It is connected with microcontroller from device, output end is connected with microcontroller input.
Used as further illustrating for such scheme, foregoing DC power-supply circuit switches breaker input by commonly using power supply
The stand-by power supply of conventional power supply and stand-by power supply switching breaker input respectively provides a phase, and two-way power supply is first selected through power supply
After switch, share after a power transformer is depressured, then be supplied to each several part circuit after carrying out rectification, filtering, voltage stabilizing；
Power supply is first selected switch and is directly connected with microcontroller, by microprocessor control；Power supply first selects switch to be provided with two groups
The relay of normally-open normally-close contact, conventional power supply is mutually connected on the normally open contact end of relay, and stand-by power supply is mutually connected on relay
Normally closed interlock end, the common port of relay is connected with the input of power transformer.
Foregoing sample circuit includes conventional power supply three-phase voltage and stand-by power supply three-phase voltage, its signal through step-down rectifier every
After circuit conversion, it is amplified by signal amplification circuit, being then fed into microcontroller carries out A/D conversions；
Step-down rectifier isolation circuit includes the circuits below module being sequentially connected in series：It is depressured with power frequency AC
The capacity voltage dropping circuit module for the treatment of, full-wave rectification is carried out with filtering by capacity voltage dropping circuit module output low-voltage ac signal
Signal rectifier circuit module, output signal and the follow-up signal process circuit of signal rectifier circuit module carry out the letter of security isolation
Number photoelectric isolating circuit module；And the output isolation signals of signal photoelectric isolating circuit module are adjusted the signal of amplification
Enhanced processing module；
Capacity voltage dropping circuit module is by being resistant to the non-polar condenser of power frequency high voltage and in parallel with the non-polar condenser
Discharge resistance is constituted；Capacity voltage dropping circuit module input is simultaneously connected to piezo-resistance；Non-polar condenser is that pressure voltage is 630V
CBB electric capacity or safety electric capacity, its capacity be 0.01uF；Discharge resistance is 510k Ω；
Signal photoelectric isolating circuit module includes precision photoelectric coupler, and the input of precision photoelectric coupler passes through current limliting
Resistance is connected with full-wave rectification bridge output end, and the C poles of precision photoelectric coupler output end are connect and dc source by pull-up resistor
Connection.
Used as further illustrating for such scheme, foregoing display circuit includes display driver circuit and display, it is necessary to aobvious
The various working conditions shown and time, voltage, control data, after being exported by microcontroller, through display driver drives, are sent to aobvious
Show that device is shown.
Used as further illustrating for such scheme, foregoing change-over circuit includes foregoing reducing motor, travel switch, and
Combined floodgate and trip signal switch that conventional power supply switching breaker, stand-by power supply switching breaker are carried, close a floodgate and trip signal
Switch is connected with the input of microcontroller, and reducing motor passes sequentially through the connection of travel switch, drive circuit and microcontroller.
As further illustrating for such scheme, the aforementioned electronic controller also any combination including circuits below：Communication
Circuit, alarm signal output circuit, unloader signal output circuit, electrical signal output circuit, fire-fighting signal circuit；Microcontroller
After various signals to being input into are processed, when being as a result judged as abnormal, alarm signal, unloader signal, electrical signal can be sent
Or fire-fighting signal, through output photoelectric isolator output to above related output signal circuit.
From the foregoing, it will be observed that the utility model has the following advantages：Scientific structure is simple, reasonable in design, easy to manufacture, cabinet door
Folding with convenience, door hand assembly volume reduce, it is easy to operate, moisture proof rustproof property preferably, can effectively prevent a hand component because
Make moist go mouldy, corrosion causes stuck phenomenon, it is to avoid the situation for being difficult to open cabinet door when emergent occurs, and service life is relative
It is more long, low cost of manufacture.Because the number transformer for using is few, controller volume reduces, and small power consumption, security is good, reliability
Height, and extend service life.
Brief description of the drawings
Fig. 1 is a front view of dual power supply switching electrical equipment electricity cabinet of the present utility model.
Fig. 2 is Fig. 1 internal structure schematic diagrams.
Fig. 3 is the structural representation of the door hand component in Fig. 2.
Fig. 4 is the front view of the dual power supply switching electrical equipment in Fig. 2.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the left view of the breaker switching device in Fig. 4.
Fig. 7 is the A-A profile structure diagram of Fig. 6.
Fig. 8 is the schematic block circuit diagram of the electronic controller of Fig. 1.
Fig. 9 is the circuit theory diagrams of the sample circuit of Fig. 8.
Drawing reference numeral explanation：0- dual power supplies switching electrical equipment electricity cabinet, 1- metal cabinets, 2- metal cabinet doors, the left cabinet doors of 3-, 4-
Right cabinet door, 5- hand component；6- panels, 7- mounting posts, 8- rotating pull handles, 9- handle rotating shafts, 10- handle protecting covers； 11-
Tie rod, 12- square grooves, the flat slot structures of 13-, 14- rotating parts, 15- rotating holes, 16- spacing breach, 17- draw rings, 18- sections
Material shallow slot, 19- load reinforcing plates, the anti-skidding convex grains of 20-；01- often uses power supply breaker, the control open circuit of 02- stand-by power supplies
Device, 03- dual power supplies switching electrical equipment, 04- power supplys output breaker, 05- double power supply converting switch bodies, 06- electronic controllers,
051- mounting bases, 052- often switches breaker, 053- stand-by power supplies switching breaker, the switching of 054- breakers with power supply
Device, 541- fixation base plates, 542- top covers, 543- switching mechanisms, 544- reducing motors, 545- switch-interlocking components,
546- switchs executive module, 547- guide rails, 548- sliding blocks, 549- guide grooves, 550- left swing arms, 551- right swing arms, 552-
Swing arm support shaft, 553- bearings, 554- switches chain cam, 555- return springs, 556- travel switches；E1- direct currents are supplied
Circuit, E2- sample circuits, E3- display circuits, E4- change-over circuits；901- capacity voltage dropping circuit modules, 902- signals
Rectification circuit module, 903- signal photoelectric isolating circuit modules, 904- signal enhanced processing modules.
Specific embodiment
Below in conjunction with the accompanying drawings and preferred embodiment, the utility model and its Advantageous Effects are carried out further detailed
Describe in detail bright.
Referring to Fig. 1 ~ Fig. 9, the electric cabinet 0 of dual power supply switching electrical equipment 03 includes metal cabinet and metal cabinet door；Referring to Fig. 1 ~ figure
2, conventional power supply breaker 01, stand-by power supply control breaker 02, dual power supply switching electrical equipment 03 and power supply are provided with cabinet
Output breaker 04；Conventional power supply breaker 01 and stand-by power supply control breaker 02 are disposed on the left side on cabinet top
Right both sides, dual power supply switching electrical equipment 03 is arranged on conventional power supply breaker 01 and the lower section of stand-by power supply control breaker 02,
Power supply output breaker 04 dual power supply switching electrical equipment 03 is arranged on the lower section of dual power supply switching electrical equipment 03；Conventional power supply breaker
01 is electrically connected with the conventional power input of dual power supply switching electrical equipment 03, stand-by power supply control breaker 02 switches with dual power supply
The stand-by power supply input electrical connection of electrical equipment 03, power supply output breaker 04 switches the power output end of electrical equipment 03 with dual power supply
Electrical connection；Referring to Fig. 4 ~ Fig. 7, dual power supply switching electrical equipment 03 includes double power supply converting switch body 05 and electronic controller 06；
Double power supply converting switch body 05 includes mounting base 051, conventional power supply switching breaker 052, stand-by power supply switching breaker
053 and breaker switching device 054；Conventional power supply switching breaker 052, stand-by power supply switching breaker 053 and breaker are cut
Changing device 054 is arranged on mounting base 051, commonly uses power supply switching breaker 052 and stand-by power supply 053 point of breaker of switching
The left and right sides for being arranged on mounting base 051 is opened, breaker switching device 054 is arranged on the conventional power supply switching He of breaker 052
Between stand-by power supply switching breaker 053；Breaker switching device 054 includes fixed base plate 541, top cover 542 and switching mechanism
543；Top cover 542 is covered on fixed base plate 541, and an installation switching mechanism 543 is formed between top cover 542 and fixed base plate 541
Space, switching mechanism 543 is arranged on fixed base plate 541；The fixed left and right sides of base plate 541 is equipped with square hole and (does not show in figure
Go out), the position of opening of the square hole switches the switch hand of breaker 053 with conventional power supply switching breaker 052, stand-by power supply respectively
Position correspondence where handle, the switch knob of conventional power supply switching breaker 052, stand-by power supply switching breaker 053 leads to respectively
The square hole for crossing respective respective side stretches out from fixed base plate 541；Referring to Fig. 6 ~ Fig. 7, switching mechanism 543 include can rotating deceleration
Motor 544, switch-interlocking component 545, switch executive module 546；Switch executive module 546 is two, is separately fixed at fixation
The left and right sides of base plate 541, the position with the switch knob of conventional power supply switching breaker 052, stand-by power supply switching breaker 053
Correspond respectively；Switch executive module 546 includes two guide rails 547 be arrangeding in parallel and is sheathed on the guide rail 547
Sliding block 548；Guide rail 547 is cased with return spring 555 in the both sides of sliding block 548；Sliding block 548 is disconnected with each self-corresponding conventional power supply switching
The switch knob connection of road device 052, stand-by power supply switching breaker 053, the top of sliding block 548 is provided with guide groove 549；Switch-interlocking group
Part 545 includes left swing arm 550, right swing arm 551,552,4 bearings 553 of swing arm support shaft and switches chain cam 554；Slow down electricity
Machine 544 is fixed on the back side of fixed base plate 541, and its output shaft forwardly stretches out from the fixed back side of base plate 541, switches chain cam
554 are socketed on the output shaft of reducing motor 544, and left swing arm 550 is arranged on the chain cam 554 of switching by swing arm support shaft 552
Left side, right swing arm 551 is arranged on the chain right side of cam 554 of switching by swing arm support shaft 552；4 distributions of bearing 553 are arranged on
The left end back side and the right-hand member back side of left swing arm 550 and right swing arm 551, the bearing 553 at the left end back side of left swing arm 550 are positioned over left side
Switch in the guide groove 549 at the top of sliding block 548 of executive module 546, the bearing 553 at the left end back side of right swing arm 551 is positioned over right side
In the guide groove 549 at the top of sliding block 548 of switch executive module 546；The bearing 553 at the right-hand member back side of left swing arm 550 is chain with switching
The contacts side surfaces in the left side of cam 554, when switching the chain rotation of cam 554, along the chain left side pattern curve fortune of cam 554 of switching
It is dynamic；The bearing 553 at the left end back side of right swing arm 551 and the contacts side surfaces on the chain right side of cam 554 of switching, switch chain cam 554
During rotation, moved along the chain right side pattern curve of cam 554 of switching.
Wherein, fixed base plate 541 is provided with two travel switches 556, and two travel switches 556 are separately positioned on switch
" combined floodgate " stroke-end position of the sliding block 548 of executive module 546.
It should be noted that referring to Fig. 3, the surface of metal cabinet door 2 scribbles antirust paint；Metal cabinet door 2 is symmetrical right
The structure of open type, respectively left cabinet door 3 and right cabinet door 4；Left cabinet door 3 and right cabinet door 4 are at the close cabinet door edge located adjacent to each other
Part is provided with a hand component 5；Door hand component 5 is made up of flame-retarded plastic；Door hand component 5 is damascene structures, and door hand component 5 includes
Panel 6, mounting post 7, rotating pull handle 8, handle rotating shaft 9 and handle protecting cover 10；Rotating pull handle 8 includes a tie rod for square strip
11, panel 6 is provided with the square groove 12 of length and width and the matching of the length and width of tie rod 11, and tie rod 11 is arranged in the square groove 12；Handle protecting cover 10
Inside has a flat slot structure 13 that can accommodate the rotation in it of rotating pull handle 8, and flat slot structure 13 is connected with square groove 12,
Pull handle protecting cover 10 and fix the rear side for being fastened on panel 6, shake hands rotating shaft 9 to be arranged on the openend of handle protecting cover 10 across form
Both sides, the inboard linking of the tie rod 11 of rotating pull handle 8 at its head end 1/3rd has rotating part 14, and rotating part 14 is provided with rotation
Turn hole, rotating pull handle 8 can be rotatably set in handle rotating shaft 9 by the rotating hole；Mounting post 7 is two, and distribution respectively sets
The two ends of the rear side in panel 6 are put, positioned at the both sides up and down of handle protecting cover 10.The upper and lower both sides in rear portion of handle protecting cover 10 are respectively provided with
One section of arc tegmental wall；The bottom of tie rod 11 with respect to draw ring 17 lower end to prominent, the inner underside at handle protecting cover 10 opening sets
There is a recessed spacing breach 16, the spacing breach 16 matches with the bottom of tie rod 11, recessed depth is thick with tie rod 11
Degree is identical.Preferably, rotating pull handle 8 also includes a draw ring 17, and the draw ring 17 is connected in the rear side of tie rod 11, draw ring 17
End connects with rotating part 14 and is integrated.Draw ring 17 is provided with some material-saving shallow slots 18 with tie rod 11 and the junction both sides of rotating part 14.
Rotating pull handle 8 also includes a load reinforcing plate 19 for right angled triangle, after the load reinforcing plate 19 is tiltedly arranged on tie rod 11
Upside, outwards, two right-angle sides connect be integrated respectively the hypotenuse of load reinforcing plate 19 with tie rod 11 and rotating part 14.Load is strengthened
The both sides of plate 19 are provided with the material-saving shallow slot 18 of right angled triangle.The front side upper end of tie rod 11 of rotating pull handle 8 is provided with some anti-skidding convex grains
20。
It is the front view cross-sectional view of the open mode of door hand component 5 referring to Fig. 3, in figure, in normal state, rotation
The tie rod 11 for turning handle 8 is concordant with the panel 6 of door hand component 5, and during enabling, the upper end of tie rod 11 is inwardly pressed makes rotating pull handle 8
Rotation, tie rod 11 is then outwards tilted, and draw ring 17 exposes in the outside of panel 6, can be pulled open door with hand.Similarly, at closing time, will
The lower end of tie rod 11 is inwardly pressed rotates rotating pull handle 8, and due to the position-limiting action of spacing breach 16, after being rotated in place, rotation is drawn
The tie rod 11 of hand 8 recovers the position concordant with the panel 6 of door hand component 5.
In addition, electronic controller 06 includes circuits below：It is responsible for the DC power-supply circuit E1 powered to each several part circuit；Ginseng
Fig. 8 is seen, as the microcontroller of control unit；Be connected with the input of microcontroller, for microcontroller input instruction
Keyboard；The sample circuit E2 that the three-phase voltage for commonly using power supply and stand-by power supply is acquired, process respectively, sample circuit E2 and
The input connection of microcontroller, input voltage signal to microcontroller is processed its input signal by microcontroller；By
The output photoelectric isolator of microprocessor control its output signal, directly connects with the output end of microcontroller；Output photoelectric every
Output signal from device carries out the drive circuit of power amplification, the output end connection of direct and output photoelectric isolator；By micro-control
Device processed controls the display circuit E3 of its display content, the output end connection of direct and microcontroller；For display circuit E3 provides the back of the body
The backlight circuit of light, input is connected by drive circuit, output photoelectric isolator with the output end of microcontroller, by microcontroller
Device controls it to light；The change-over circuit E4 that it carries out switching motion by microprocessor control, input is by drive circuit, output
Photoisolator is connected with microcontroller, and output end is connected with microcontroller input.Foregoing DC power-supply circuit E1 is by commonly using
The conventional power supply of the power supply switching input of breaker 052 and the stand-by power supply of the stand-by power supply switching input of breaker 053 are respectively carried
For a phase, after two-way power supply first selects switch through power supply, after a shared power transformer is depressured, then carry out whole
Each several part circuit is supplied to after stream, filtering, voltage stabilizing；Power supply is first selected switch and is directly connected with microcontroller, by microcontroller control
System；Power supply first selects switch to be provided with two groups of relays of normally-open normally-close contact, and conventional power supply is mutually connected on the normally opened of relay
Contact end, stand-by power supply is mutually connected on the normally closed interlock end of relay, and the common port of relay connects with the input of power transformer
Connect.Sample circuit E2 includes conventional power supply three-phase voltage and stand-by power supply three-phase voltage, and its signal is through step-down rectifier isolation circuit
After conversion, it is amplified by signal amplification circuit, being then fed into microcontroller carries out A/D conversions；Referring to Fig. 9, step-down rectifier every
From the circuits below module that circuit includes being sequentially connected in series：With the capacity voltage dropping circuit that power frequency AC be depressured treatment
Module 901, capacity voltage dropping circuit module 901 is exported into low-voltage ac signal carries out the signal rectifier circuit of full-wave rectification and filtering
Module block 902, output signal and the follow-up signal process circuit of signal rectifier circuit module block 902 carry out the signal of security isolation
Photoelectric isolating circuit module 903；And the output isolation signals of signal photoelectric isolating circuit module 903 are adjusted amplification
Signal enhanced processing module 904；Capacity voltage dropping circuit module 901 is by being resistant to the non-polar condenser of power frequency high voltage and electrodeless with this
Property discharge resistance R1 compositions capacitor C1 in parallel；The input of capacity voltage dropping circuit module 901 is simultaneously connected to piezo-resistance Rt1；Nothing
Polar capacitor C1 is that pressure voltage is the CBB electric capacity or safety electric capacity of 630V, and its capacity is 0.01uF；Discharge resistance R1 is 510k
Ω；Signal photoelectric isolating circuit module 903 includes precision photoelectric coupler U1, and the input of precision photoelectric coupler U1 is by limit
Leakage resistance R2 connects with full-wave rectification bridge BG2 output ends, and the C poles of precision photoelectric coupler U1 output ends meet R3 by pull-up resistor
It is connected with dc source.
Display circuit E3 include display driver circuit and display, it is necessary to display various working conditions and the time, voltage,
Control data, after being exported by microcontroller, through display driver drives, is sent to display and is shown.Change-over circuit E4 includes
Foregoing reducing motor 544, travel switch 556, and conventional power supply switching breaker 052, stand-by power supply switching breaker 053
The combined floodgate for carrying is switched with trip signal, is closed a floodgate and is connected with the input of microcontroller with trip signal switch, reducing motor 544
Pass sequentially through travel switch 556, drive circuit and microcontroller connection.Also any group including circuits below of electronic controller 06
Close：Communicating circuit, alarm signal output circuit, unloader signal output circuit, electrical signal output circuit, fire-fighting signal circuit；
Microcontroller to be input into various signals process after, when being as a result judged as abnormal, can send alarm signal, unloader signal,
Electrical signal or fire-fighting signal, through output photoelectric isolator output to above related output signal circuit.
The physical circuit not specifically described in foregoing circuit, is it is achieved that in order to shorten length using conventional circuit
This specification does not make extra illustrating.
Book and specific embodiment do not constitute any limitation to the utility model according to the above description, and the utility model is not
Specific embodiment disclosed and described above is confined to, to some modification and variation of the present utility model, it should also fall into this
In the scope of the claims of utility model.
Claims (9)
1. a kind of dual power supply switches electrical equipment electricity cabinet, including metal cabinet and metal cabinet door；It is characterized in that：
Conventional power supply breaker, stand-by power supply control breaker, dual power supply switching electrical equipment and power supply are provided with the cabinet
Output breaker；Conventional power supply breaker and stand-by power supply control breaker are disposed on the left and right two on cabinet top
Side, dual power supply switching electrical equipment is arranged on conventional power supply breaker and stand-by power supply control breaker lower section, and power supply output is disconnected
Road device dual power supply switching electrical equipment is arranged on dual power supply switching electrical equipment lower section；Conventional power supply breaker switches electrical equipment with dual power supply
The electrical connection of conventional power input, stand-by power supply control breaker and dual power supply switching electrical equipment stand-by power supply input it is electric
Gas is connected, and power supply output breaker is electrically connected with the power output end of dual power supply switching electrical equipment；
Dual power supply switching electrical equipment includes double power supply converting switch body and electronic controller；Double power supply converting switch body includes peace
Dress base plate, conventional power supply switching breaker, stand-by power supply switching breaker and breaker switching device；Conventional power supply switching open circuit
Device, stand-by power supply switching breaker and breaker switching device be arranged on mounting base, commonly use power supply switching breaker and
Stand-by power supply switching breaker is disposed on the left and right sides of mounting base, and breaker switching device is arranged on conventional power supply and cuts
Change between breaker and stand-by power supply switching breaker；
Breaker switching device includes fixed base plate, top cover and switching mechanism；Top cover is covered on fixed base plate, top cover and fixed bottom
A space for installation switching mechanism is formed between plate, switching mechanism is arranged on fixed base plate；The fixed base plate left and right sides is equal
Square hole is provided with, the position of opening of the square hole switches the switch hand of breaker with conventional power supply switching breaker, stand-by power supply respectively
Position correspondence where handle, commonly uses power supply switching breaker, the switch knob of stand-by power supply switching breaker respectively by respective
The square hole of respective side stretches out from fixed base plate；
Switching mechanism includes can the reducing motor of rotating, switch-interlocking component, switch executive module；Switch executive module is two
It is individual, the fixed base plate left and right sides is separately fixed at, with the switch hand that conventional power supply switching breaker, stand-by power supply switch breaker
The position of handle corresponds respectively；Switch executive module includes two guide rails be arrangeding in parallel and the cunning being sheathed on the guide rail
Block；Guide rail is cased with return spring in sliding block both sides；Sliding block switches with each self-corresponding conventional power supply switching breaker, stand-by power supply
The switch knob connection of breaker, slider top is provided with guide groove；Switch-interlocking component includes left swing arm, right swing arm, swing arm supporting
Axle, 4 bearings and the chain cam of switching；Reducing motor is fixed on the fixed base plate back side, its output shaft from the fixed base plate back side to
Above stretch out, switch chain cam and be socketed in reducing motor output shaft, left swing arm is arranged on switching and connects by swing arm support shaft
Lock cam left side, right swing arm is arranged on the chain cam right side of switching by swing arm support shaft；4 bearing distributions are arranged on left swing arm
With the left end back side and the right-hand member back side of right swing arm, the bearing at the left swing arm left end back side is positioned over the sliding block of left-side switch executive module
In the guide groove at top, the bearing at the right swing arm left end back side is positioned in the guide groove of the slider top of right-side switch executive module；It is left
Contacts side surfaces on the left of the bearing and the chain cam of switching at the swing arm right-hand member back side, it is chain along switching when switching chain cam rotation
The pattern curve motion of cam left side；The bearing at the right swing arm left end back side connects with the contacts side surfaces on the right side of chain cam, switching is switched
During lock cam rotation, moved along the chain cam right side pattern curve of switching.
2. dual power supply as claimed in claim 1 switches electrical equipment electricity cabinet, it is characterized in that：The fixed base plate is provided with two strokes
Switch, two travel switches are separately positioned on " combined floodgate " stroke-end position of the sliding block of switch executive module.
3. dual power supply as claimed in claim 2 switches electrical equipment electricity cabinet, it is characterized in that：The metal cabinet door is symmetrical right
The structure of open type, respectively left cabinet door and right cabinet door；Left cabinet door and right cabinet door are in the close cabinet door marginal portion located adjacent to each other
It is provided with the door hand component being made up of flame-retarded plastic；Door hand component is damascene structures, and door hand component includes panel, mounting post, rotation
Turn handle, handle rotating shaft and handle protecting cover；Rotating pull handle includes the tie rod and a draw ring of square strip, and draw ring is connected in drawing
The rear side of bar, draw ring upper end connects with rotating part and is integrated, and panel is provided with the square groove of length and width and the matching of tie rod length and width, tie rod
It is arranged in the square groove；Handle protecting cover inside has a flat slot structure that can accommodate rotating pull handle rotation in it, flat groove
Structure is connected with square groove, and handle protecting cover fixes the rear side for being fastened on panel, and handle rotating shaft is arranged on handle shield with across form
The openend both sides of lid, the inboard linking of the tie rod of rotating pull handle at its head end 1/3rd has rotating part, is set on rotating part
There is rotating hole, rotating pull handle can be rotatably set in handle rotating shaft by the rotating hole；Mounting post is two, and distribution respectively sets
The two ends of the rear side in panel are put, positioned at the both sides up and down of handle protecting cover；Draw ring is provided with tie rod and rotating part junction both sides
Some material-saving shallow slots；Rotating pull handle also includes a load reinforcing plate for right angled triangle, and the load reinforcing plate is tiltedly arranged on drawing
The rear upside of bar, outwards, two right-angle sides connect be integrated respectively the load reinforcing plate hypotenuse with tie rod and rotating part；Load is strengthened
Plate both sides are provided with the material-saving shallow slot of right angled triangle；The tie rod front side upper end of rotating pull handle is provided with some anti-skidding convex grains；Handle shield
The upper and lower both sides in rear portion of lid are respectively provided with one section of arc tegmental wall；The bottom of tie rod with respect to draw ring lower end to prominent, protecting cover of shaking hands
Inner underside at opening is provided with a recessed spacing breach, and the spacing breach matches with the bottom of tie rod, recessed depth
It is identical with tie rod thickness.
4. dual power supply as claimed in claim 3 switches electrical equipment electricity cabinet, it is characterized in that：The electronic controller includes following electricity
Road：
It is responsible for the DC power-supply circuit powered to each several part circuit；
As the microcontroller of control unit；
Be connected with the input of microcontroller, for the keyboard to microcontroller input instruction；
The sample circuit that the three-phase voltage for commonly using power supply and stand-by power supply is acquired, is processed respectively, sample circuit and micro-control
The input connection of device processed, input voltage signal to microcontroller is processed its input signal by microcontroller；
By the output photoelectric isolator of its output signal of microprocessor control, the output end connection of direct and microcontroller；
The output signal of output photoelectric isolator carries out the drive circuit of power amplification, the output of direct and output photoelectric isolator
End connection；
By the display circuit of its display content of microprocessor control, the output end connection of direct and microcontroller；
The backlight circuit of backlight is provided for display circuit, input passes through drive circuit, output photoelectric isolator and microcontroller
Output end connection, by microprocessor control, it lights；
The change-over circuit that it carries out switching motion by microprocessor control, input passes through drive circuit, output photoelectric isolator
It is connected with microcontroller, output end is connected with microcontroller input.
5. dual power supply as claimed in claim 4 switches electrical equipment electricity cabinet, it is characterized in that：The DC power-supply circuit is by commonly using power supply
The stand-by power supply for switching conventional power supply and stand-by power supply the switching breaker input of breaker input respectively provides a phase, two-way
After power supply first selects switch through power supply, share after a power transformer is depressured, then carry out rectification, filtering, surely
Each several part circuit is supplied to after pressure；Power supply is first selected switch and is directly connected with microcontroller, by microprocessor control；Power supply
Switch is first selected to be provided with two groups of relays of normally-open normally-close contact, conventional power supply is mutually connected on the normally open contact end of relay, standby
Power supply is mutually connected on the normally closed interlock end of relay, and the common port of relay is connected with the input of power transformer.
6. dual power supply as claimed in claim 5 switches electrical equipment electricity cabinet, it is characterized in that：The sample circuit includes conventional power supply three
Phase voltage and stand-by power supply three-phase voltage, after its signal is changed through step-down rectifier isolation circuit, are put by signal amplification circuit
Greatly, being then fed into microcontroller carries out A/D conversions；
Step-down rectifier isolation circuit includes the circuits below module being sequentially connected in series：Step-down treatment is carried out with power frequency AC
Capacity voltage dropping circuit module, by capacity voltage dropping circuit module output low-voltage ac signal carry out full-wave rectification and filtering signal
Rectification circuit module, output signal and the follow-up signal process circuit of signal rectifier circuit module carry out the flashlight of security isolation
Electric isolating circuit module；And amplify the signal that the output isolation signals of signal photoelectric isolating circuit module are adjusted amplification
Processing module；
Capacity voltage dropping circuit module is by the non-polar condenser for being resistant to power frequency high voltage and the electric discharge in parallel with the non-polar condenser
Resistance is constituted；Capacity voltage dropping circuit module input is simultaneously connected to piezo-resistance；Non-polar condenser is that pressure voltage is the CBB of 630V
Electric capacity or safety electric capacity, its capacity are 0.01uF；Discharge resistance is 510k Ω；
Signal photoelectric isolating circuit module includes precision photoelectric coupler, and the input of precision photoelectric coupler passes through current-limiting resistance
Connected with full-wave rectification bridge output end, the C poles of precision photoelectric coupler output end are connect by pull-up resistor and are connected with dc source.
7. dual power supply as claimed in claim 6 switches electrical equipment electricity cabinet, it is characterized in that：The display circuit includes that display drives electricity
Road and display, it is necessary to the various working conditions and time, voltage, control data of display, after being exported by microcontroller, through display
Driver drives, are sent to display and are shown.
8. dual power supply as claimed in claim 7 switches electrical equipment electricity cabinet, it is characterized in that：The change-over circuit includes foregoing deceleration
Motor, travel switch, and conventional power supply switch breaker, the combined floodgate that stand-by power supply switching breaker is carried and trip signal and open
Close, close a floodgate and be connected with the input of microcontroller with trip signal switch, reducing motor passes sequentially through travel switch, drive circuit
It is connected with microcontroller.
9. dual power supply as claimed in claim 8 switches electrical equipment electricity cabinet, it is characterized in that：The electronic controller also includes following electricity
Any combination on road：Communicating circuit, alarm signal output circuit, unloader signal output circuit, electrical signal output circuit, fire-fighting
Signal circuit；Microcontroller to be input into various signals process after, when being as a result judged as abnormal, can send alarm signal,
Unloader signal, electrical signal or fire-fighting signal, through output photoelectric isolator output to above related output signal circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400497.7U CN206283315U (en) | 2016-12-20 | 2016-12-20 | A kind of dual power supply switching electrical equipment electricity cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400497.7U CN206283315U (en) | 2016-12-20 | 2016-12-20 | A kind of dual power supply switching electrical equipment electricity cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283315U true CN206283315U (en) | 2017-06-27 |
Family
ID=59072894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621400497.7U Expired - Fee Related CN206283315U (en) | 2016-12-20 | 2016-12-20 | A kind of dual power supply switching electrical equipment electricity cabinet |
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| Country | Link |
|---|---|
| CN (1) | CN206283315U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317236A (en) * | 2017-08-25 | 2017-11-03 | 国家电网公司 | Plug-in dual power supply low pressure feeder pillar |
| CN107516937A (en) * | 2017-09-11 | 2017-12-26 | 鞍钢集团工程技术有限公司 | A kind of motor control loop power supply mode |
| CN108767857A (en) * | 2018-06-29 | 2018-11-06 | 徐州凯思特机电科技有限公司 | A kind of mining explosion-proof dual-power automatic change-over |
| CN109360753A (en) * | 2018-11-06 | 2019-02-19 | 安士缔(中国)电气设备有限公司 | The mechanical interlocking device and Dual-power device of middle pressure double power supply automatic switching switch |
| CN117542678A (en) * | 2024-01-08 | 2024-02-09 | 国网河南省电力公司新乡供电公司 | Dual-power supply change-over switch device |
-
2016
- 2016-12-20 CN CN201621400497.7U patent/CN206283315U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317236A (en) * | 2017-08-25 | 2017-11-03 | 国家电网公司 | Plug-in dual power supply low pressure feeder pillar |
| CN107516937A (en) * | 2017-09-11 | 2017-12-26 | 鞍钢集团工程技术有限公司 | A kind of motor control loop power supply mode |
| CN108767857A (en) * | 2018-06-29 | 2018-11-06 | 徐州凯思特机电科技有限公司 | A kind of mining explosion-proof dual-power automatic change-over |
| CN109360753A (en) * | 2018-11-06 | 2019-02-19 | 安士缔(中国)电气设备有限公司 | The mechanical interlocking device and Dual-power device of middle pressure double power supply automatic switching switch |
| CN109360753B (en) * | 2018-11-06 | 2024-01-19 | 安士缔(中国)电气设备有限公司 | Mechanical interlocking device of medium-voltage dual-power automatic change-over switch and dual-power device |
| CN117542678A (en) * | 2024-01-08 | 2024-02-09 | 国网河南省电力公司新乡供电公司 | Dual-power supply change-over switch device |
| CN117542678B (en) * | 2024-01-08 | 2024-05-03 | 国网河南省电力公司新乡供电公司 | Dual-power supply change-over switch device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20201220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |