CN209133975U - A kind of switch cabinet status comprehensive indicator - Google Patents
A kind of switch cabinet status comprehensive indicator Download PDFInfo
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- CN209133975U CN209133975U CN201822170445.0U CN201822170445U CN209133975U CN 209133975 U CN209133975 U CN 209133975U CN 201822170445 U CN201822170445 U CN 201822170445U CN 209133975 U CN209133975 U CN 209133975U
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Abstract
The utility model discloses a kind of switch cabinet status comprehensive indicators, the switch state comprehensive indicatior includes shell and is arranged in the intracorporal circuit board of shell, integrally disposed on the circuit board to have master controller, humiture collection circuit, three-phase electrification indicating circuit, analogue signal acquisition circuit, simulative display circuit and fault judging circuit, the humiture collection circuit, three-phase electrification indicating circuit, analogue signal acquisition circuit, simulative display circuit and fault judging circuit are connect with master controller respectively.The utility model can display switch state, circuit breaker position, earthing switch blade position, spring energy-storage state and heater status, and indicate electrification in high voltage and electrification in high voltage blocking, be able to carry out and heating and dehumidification is automatically or manually controlled.
Description
Technical field
The utility model relates to a kind of switch cabinet status comprehensive indicators.
Background technique
High-tension switch cabinet is the electrical cabinet equipment for electric system, and the effect of high-tension switch cabinet is carried out in electric system
Power generation is transmitted electricity, in distribution and electric energy conversion process, the important device for being opened and closed, being controlled and being protected.Portion in high-tension switch cabinet
Part mainly has high-voltage circuitbreaker, high voltage isolator, high voltage load switch and high-voltage actuating mechanism etc., and above structure is sealed in
Inside switch cabinet, the state of all parts when can not observe directly work, in order to intuitively observe all parts in switchgear
Operating status, be all made of static primary circuit simulation drawing luminous tube display switch operating status at present, including electrification display,
Circuit-breaker switching on-off state instruction, energy storage, earthing switch instruction and trolley position instruction etc., in order to which intuitive Dynamically Announce switchs shape
State not only includes that electrification is aobvious using big liquid crystal LCD display as primary circuit dynamic analog figure display switch operating status
Show, circuit-breaker switching on-off state instruction, energy storage, earthing switch instruction and trolley position instruction, also have automatic heating and dehumidification dress
Set, temperature and humidity number shows also there is RS485 communication interface etc., integrated display disclosed by the utility model be suitable in set
A variety of switchgears such as cabinet, hands injured, fixed cabinet, ring network cabinet, the panel construction for simplifying switchgear is designed, the face of switchgear is beautified
Plate layout, improves the instruction function and security performance of switch state.
Utility model content
It in order to overcome the above-mentioned deficiencies of the prior art, can present disclose provides a kind of switch cabinet status comprehensive indicator
Display switch state, circuit breaker position, earthing switch blade position, spring energy-storage state and heater status, and indicate high pressure belt
Electricity and electrification in high voltage blocking, are able to carry out and heating and dehumidification are automatically or manually controlled.
Technical solution used by the disclosure is:
A kind of switch state comprehensive indicatior, including shell and setting collect on the intracorporal circuit board of shell, the circuit board
At be provided with master controller, the humiture collection circuit for acquiring temperature and humidity information, for acquiring high-voltage sensor three
The three-phase electrification indicating circuit of phase electriferous state, for acquiring circuit-breaker switching on-off contact, circuit breaker position contact, earthing switch blade
The analogue signal acquisition circuit of position contact and spring energy-storage contact signal, for showing circuit-breaker switching on-off state, breaker
The simulative display circuit of location status, earthing switch blade location status and spring energy-storage state and the failure controlled for heating and dehumidification
Decision circuitry, the humiture collection circuit, three-phase electrification indicating circuit, analogue signal acquisition circuit, simulative display circuit and
Fault judging circuit is connect with master controller respectively.
Further, the humiture collection circuit includes two-way temperature collection circuit and two-way humidity collection circuit, institute
It states temperature collection circuit and humidity collection circuit respectively includes thermistor, fixed resistance and Transient Suppression Diode, the heat
One end of quick resistance is connect with Temperature Humidity Sensor, the other end sun with one end of fixed resistance, Transient Suppression Diode respectively
Pole connection；The other end of the fixed resistance and the input terminal of master controller connect.
Further, the three-phase electrification indicating circuit includes photoelectric isolating circuit and three road electrification indicating circuits；
Every road electrification indicating circuit respectively includes diode, indicator light, the first photoelectrical coupler and concatenated three electricity
Resistance, one end of concatenated three resistance are connect with high-voltage sensor, and the other end passes through the hair of indicator light and photoelectrical coupler
The light-emitting diodes tube cathode of the connection of optical diode anode, first photoelectrical coupler passes through diode and concatenated three resistance
The other end connection；The transistor collector of first photoelectrical coupler and the input terminal of master controller connect；
The photoelectric isolating circuit includes breaker, the first triode, the second triode and the second photoelectrical coupler, described
One termination+5V power supply of breaker, the other end pass through resistance respectively and connect with the base stage of the first triode and the second triode, institute
The emitter for stating the first triode is connected by the other end of concatenated three resistance in rectifier diode and an electrification indicating circuit
It connects, the emitter of second triode is connect with the light-emitting diodes tube anode of the second photoelectrical coupler, the second photoelectricity coupling
The transistor collector of clutch is connect with firewire.
Further, the analogue signal acquisition circuit includes six road signal acquisition circuits；
Every road signal acquisition circuit includes rectifier diode and photoelectrical coupler, the light-emitting diodes of the photoelectrical coupler
Tube anode connects power supply, and the light-emitting diodes tube cathode of the photoelectrical coupler passes through resistance and breaker closing contact, breaker point
Lock contact, breaker operating position contact, breaker experimental site contact, earthing switch blade position contact or spring energy-storage contact connect
It connects, rectifier diode, the photoelectrical coupler is connected between the anode and cathode of the light emitting diode of the photoelectrical coupler
Transistor emitter ground connection, the transistor collector of the photoelectrical coupler connect with master controller input terminal.
Further, the simulative display circuit includes four number code pipe control circuits, and every number code pipe control circuit is equal
Including two triodes, wherein the base stage of a triode is connected by the output end of resistance and master controller, the collection of a triode
Electrode is connect with one end of one group of charactron on front panel, and the base stage of another triode passes through the output of resistance and master controller
End connects, the other end connection of one group of charactron on the collector and front panel of another triode.
Further, the fault judging circuit includes two-way heating and dehumidification control circuit, every road heating and dehumidification circuit packet
Include transformer, rectifier, photoelectrical coupler, relay and triode；
One end of the transistor base is connect by resistance with master controller, and the collector of the triode passes through rectification
The connection of normally opened contact one end of diode and relay, the normally opened contact other end of the relay respectively with heater and manual
One end of switch connects；
The primary coil of the other end and transformer of heater and manual switch connects, the secondary coil of the transformer with
The input terminal of rectifier connects, and an output end of the rectifier is connected by the diode anode of resistance and photoelectrical coupler,
The diode cathode of another output end and photoelectrical coupler connects, and parallel connection is connected between two output ends of the rectifier
The collector of rectifier diode and electromagnetism electric capacity, the photoelectrical coupler is connect with master controller.
Further, also integrally disposed on the circuit board to have RS485 communicating circuit, storage circuit and power circuit.
Further, the rear portion of the shell is provided with terminal plate, and multiple connecting terminals, the shell are provided on terminal plate
The front of body is provided with front panel, is provided with four groups of charactrons and two groups of spring status indicator lamps on the front panel, and described four
Group charactron and two groups of spring status indicator lamps are connect with master controller respectively.
Further, multiple indicator lights for HV live displaying are provided on the front panel and multiple for warm and humid
The indicator light of degree control display, indicator light are connect with master controller.
Compared with prior art, the utility model has the beneficial effects that
(1) disclosure acquires the temperature and humidity information in switchgear by humiture collection circuit, passes through fault judging circuit
Heating and dehumidification control is carried out, to realize temperature control, and shows heater status；
(2) disclosure analogue signal acquisition circuit acquires circuit-breaker switching on-off state, circuit breaker position, earthing switch blade position
It sets, spring energy-storage status signal, and circuit-breaker switching on-off state, circuit breaker position, ground connection lock is shown by simulative display circuit
Cutter position, spring energy-storage state are realized and are indicated circuit-breaker status, circuit breaker position, earthing switch blade position and spring energy-storage；
(3) disclosure acquires the three-phase electriferous state of high-voltage sensor by three-phase electrification indicating circuit, and passes through
The three-phase electriferous state and electrification in high voltage blocking of indicator light instruction high-voltage sensor；It realizes and electrification in high voltage is referred to
Show.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of front panel；
Fig. 2 is the structural block diagram of circuit board；
Fig. 3 is the circuit diagram of humiture collection circuit；
Fig. 4 is the circuit diagram of three-phase electrification indicating circuit
Fig. 5 is the circuit diagram of analogue signal acquisition circuit
Fig. 6 is the circuit diagram of simulative display circuit
Fig. 7 is the circuit diagram of fault judging circuit
Fig. 8 is the circuit diagram of storage circuit
Fig. 9 is the circuit diagram of RS485 communicating circuit.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The present embodiment one provides a kind of switch state comprehensive indicatior, which includes shell and set
It sets in the intracorporal circuit board of shell.
It is provided with front panel on front side of the shell, as shown in Figure 1, being provided with four groups of charactrons and two on the front panel
Group spring status indicator lamp, four groups of charactrons be respectively first " ten " shape charactron 7, the first " V " shape charactron LED18,
Second " ten " shape charactron 9 and the second " V " shape charactron 10, first " ten " shape charactron 7, the first " V " shape charactron
LED18, second " ten " shape charactron 9 and the second " V " shape charactron 10 are made of red analog item and green analog item respectively, point
It is not used to indicate circuit-breaker status, circuit breaker position, earthing switch blade position；Two groups of spring status indicator lamps are respectively red the
The second spring symbol indicating lamp 12 of one spring symbol indicator light 11 and green, is used to indicate spring energy-storage state.
HV live displaying region is provided on the front panel, there are three high pressures for the HV live displaying region setting
Electrification indicator light 13 and lock release indicator light 14, three electrification in high voltage indicator lights 13 and lock release indicator light 14 pass through respectively
The connection of the output end of resistance and master controller.
Temperature and Humidity Control region is additionally provided on the front panel, having heaters A shape is arranged in the Temperature and Humidity Control region
State indicator light 15, heater B state indicator light 16, Temperature Humidity Sensor A condition indicator light 14, Temperature Humidity Sensor B state refer to
Show lamp 18 and manual switch status indicator lamp 19, it is the heater A condition indicator light 15, heater B state indicator light 16, warm and humid
Degree sensors A status indicator lamp 14, Temperature Humidity Sensor B state indicator light 18 and manual switch status indicator lamp 19 pass through respectively
Resistance is connect with master controller.
As shown in Fig. 2, integrally disposed on the circuit board have master controller 1, humiture collection circuit 2, three-phase electrification to refer to
Show circuit 3, analogue signal acquisition circuit 4, simulative display circuit 20 and fault judging circuit 21, the humiture collection circuit 2,
Three-phase electrification indicating circuit 3, analogue signal acquisition circuit 4, simulative display circuit 20 and fault judging circuit 21 respectively with master control
Device 1 processed connects.
In the present embodiment, the master controller 1 uses PD78FXX series monolithic, and the single-chip microcontroller is separately connected temperature
Humidity collection circuit 2, three-phase electrification indicating circuit 3, analogue signal acquisition circuit 4, simulative display circuit 20, fault judging circuit
21, four groups of charactrons, two groups of spring status indicator lamps, heater A condition indicator light 15, heater B state indicator light 16, warm and humid
Spend sensors A status indicator lamp 14, Temperature Humidity Sensor B state indicator light 18 and manual switch status indicator lamp.
Fig. 3 is the circuit diagram of humiture collection circuit 2.As shown in figure 3, the humiture collection circuit 2 includes two-way temperature
Degree Acquisition Circuit and two-way humidity collection circuit, the temperature collection circuit and humidity collection circuit respectively include thermistor
PTC, fixed resistance R and Transient Suppression Diode TZ, one end of the thermistor PTC are connect with Temperature Humidity Sensor A5, separately
One end is connect with the anode of one end of fixed resistance, Transient Suppression Diode respectively；The other end of the fixed resistance and master control
The input terminal of device 1 processed connects, the minus earth of the Transient Suppression Diode.
When humiture collection circuit 2 in use, being opened by two-way temperature collection circuit and the acquisition of two-way humidity collection circuit
The temperature and humidity in cabinet is closed, and is transmitted to master controller.
Fig. 4 is the circuit diagram of three-phase electrification indicating circuit.As shown in figure 4, the three-phase electrification indicating circuit includes A facies tract
Electric indicating circuit, B phase electrification indicating circuit, C phase electrification indicating circuit and photoelectric isolating circuit, in which:
The A phase electrification indicating circuit includes diode D15, indicator light LED6, photoelectrical coupler G6, piezoresistor
MOV2 and concatenated resistance R72, resistance R73 and resistance R88, the one of the concatenated resistance R72, resistance R73 and resistance R88
End is connect with the A phase line Ua of high-voltage sensor, and the other end passes through the light-emitting diodes of indicator light LED6 and photoelectrical coupler G6
The light-emitting diodes tube cathode of tube anode connection, the photoelectrical coupler G6 passes through diode D15 and concatenated resistance R72, resistance
R73 is connected with the other end of resistance R88；The transistor collector of the photoelectrical coupler G6 and the input terminal of master controller connect
It connects, the transistor emitter ground connection of the photoelectrical coupler G6；The transistor collector of the photoelectrical coupler G6 also passes through electricity
Resistance R68 meets+5V；One end of the piezoresistor MOV2 and one end of concatenated resistance R72, resistance R73 and resistance R88 connect
It connects, the other end is connect with firewire Un.
The B phase electrification indicating circuit includes diode D18, indicator light LED7, photoelectrical coupler G7, piezoresistor
MOV3 and concatenated resistance R80, resistance R81 and resistance R89, the one of the concatenated resistance R80, resistance R81 and resistance R89
End is connect with the B phase line Ub of high-voltage sensor, and the other end passes through the light-emitting diodes of indicator light LED7 and photoelectrical coupler G7
The light-emitting diodes tube cathode of tube anode connection, the photoelectrical coupler G7 passes through diode D18 and concatenated resistance R80, resistance
R81 is connected with the other end of resistance R89；The transistor collector of the photoelectrical coupler G7 and the input terminal of master controller connect
It connects, the transistor emitter ground connection of the photoelectrical coupler G7；The transistor collector of the photoelectrical coupler G7 also passes through electricity
Resistance R76 meets+5V；One end of the piezoresistor MOV3 and one end of concatenated resistance R80, resistance R81 and resistance R89 connect
It connects, the other end is connect with firewire Un.
The C phase electrification indicating circuit includes diode D20, indicator light LED8, photoelectrical coupler G8, piezoresistor
MOV4 and concatenated resistance R83, resistance R84 and resistance R90, the one of the concatenated resistance R83, resistance R84 and resistance R90
End is connect with the C phase line Uc of high-voltage sensor, and the other end passes through the light-emitting diodes of indicator light LED8 and photoelectrical coupler G8
The light-emitting diodes tube cathode of tube anode connection, the photoelectrical coupler G8 passes through diode D20 and concatenated resistance R83, resistance
R84 is connected with the other end of resistance R90；The transistor collector of the photoelectrical coupler G8 and the input terminal of master controller connect
It connects, the transistor emitter ground connection of the photoelectrical coupler G8；The transistor collector of the photoelectrical coupler G8 also passes through electricity
Resistance R82 meets+5V；One end of the piezoresistor MOV4 and one end of concatenated resistance R83, resistance R84 and resistance R90 connect
It connects, the Un connection of other end firewire.
The photoelectric isolating circuit includes breaker SW2, the first triode Q14, the second triode Q15 and photoelectrical coupler
A termination+5V of G9, the breaker SW2, the other end pass through resistance and the first triode Q14 and the second triode Q15 respectively
Base stage connection, the collector of the first triode Q14 meets+5V by resistance, and the emitter of the first triode Q14 leads to
Over commutation diode D21 is connect with the other end of concatenated resistance R72, resistance R73 and resistance R88, the second triode Q15
Collector+5V is connect by resistance, the emitter of the second triode Q15 and the light-emitting diodes tube anode of photoelectrical coupler G9
Connection, the light emitting diode minus earth of the photoelectrical coupler G9, the transistor emitter ground connection of the photoelectrical coupler G9；
The transistor collector firewire Un connection of the photoelectrical coupler G9.
When three-phase electrification indicating circuit in use, by the input terminal and high-voltage sensor of the three-phase electrification indicating circuit
Connection, output end are connect with master controller, and when a certain phase of high-voltage sensor is charged, corresponding this is mutually charged on front panel
Indicator light is bright, and lock release indicator light does not work, and represents that electric-magnetic lock is effective, and the three-phase of high-voltage sensor is not charged
When lock release indicator light it is bright, represent electric-magnetic lock releasing, when no working power, locking effectively, but is not indicated.
Fig. 5 is the circuit diagram of analogue signal acquisition circuit.The analogue signal acquisition circuit 4 is for acquiring breaker closing
Contact signal, breaker operating position contact signal, breaker experimental site contact signal, connects breaker open operation contact signal
Ground plug-in strip position contact signal and spring energy-storage contact signal.As shown in figure 5, the analogue signal acquisition circuit 4 includes open circuit
Device closing contact signal acquisition circuit, breaker open operation contact signal Acquisition Circuit, the acquisition of breaker operating position contact signal
Circuit, breaker experimental site contact signal Acquisition Circuit, earthing switch blade position contact Acquisition Circuit and spring energy-storage contact letter
Number Acquisition Circuit, breaker closing contact signal Acquisition Circuit, breaker open operation contact signal Acquisition Circuit, breaker working position
Set contact signal Acquisition Circuit, breaker experimental site contact signal Acquisition Circuit, earthing switch blade position contact Acquisition Circuit and
Spring energy-storage contact signal Acquisition Circuit respectively includes rectifier diode and photoelectrical coupler, and the breaker closing contact is broken
Road device separating brake contact, breaker operating position contact, breaker experimental site contact, earthing switch blade position contact or spring energy-storage
The connection of the light-emitting diodes tube cathode of contact and photoelectrical coupler, the light-emitting diodes tube anode of the photoelectrical coupler are connect by resistance
+ 12V is connected with rectifier diode, the photoelectric coupling between the anode and cathode of the light emitting diode of the photoelectrical coupler
The transistor emitter of device is grounded, and the transistor collector of the photoelectrical coupler is connect with master controller input terminal.
When analogue signal acquisition circuit in use, the input terminal of the analog acquisition circuit is touched with breaker closing respectively
Point, breaker open operation contact, breaker operating position contact, breaker experimental site contact, earthing switch blade position contact and bullet
The connection of spring energy storage contact, acquisition breaker closing contact signal, breaker open operation contact signal, breaker operating position contact letter
Number, breaker experimental site contact signal, earthing switch blade position contact signal and spring energy-storage contact signal, and export to master control
Device processed.
Fig. 6 is the circuit diagram of simulative display circuit.The simulative display circuit, for showing breaker closing, breaker
Separating brake, breaker operating position, circuit-breaker testing position, earthing switch blade position and spring energy-storage state.As shown in fig. 6, institute
Stating simulative display circuit includes four number code pipe control circuits, and every number code pipe control circuit includes two triodes, wherein one
The base stage of triode is connected by the output end of resistance and master controller, and collector is connect with the second pin of a charactron, separately
The base stage of one triode is connected by the output end of resistance and master controller, and collector is connect with the third pin of a charactron,
The first pin and the 4th pin of charactron pass through two concatenated resistance respectively and meet+12V.The charactron is first " ten " figurate number
Code pipe 7, the first " V " shape charactron LED18, second " ten " shape charactron 9 and the second " V " shape charactron 10, two groups of spring symbols
Indicator light is connect with the output end of master controller respectively.
When breaker closing, closing contact closure, master controller output controls signal all the way, is controlled by a triode
The red analog item of first " V " shape charactron is bright；When breaker open operation, separating brake contact closure, master controller exports another way control
Signal processed, the green analog item for controlling the first " V " shape charactron by another triode are bright.
When the operating position contact closure of breaker, master controller output controls signal all the way, passes through a triode control
The red vertical analog item for making first " ten " shape charactron is bright, indicates that breaker is in operating position；The testing position of breaker
When contact closure, master controller exports another way and controls signal, passes through another triode control first " ten " shape charactron green
Horizontal simulation bar is bright, indicates that breaker is in testing position；Red, the green light-emitting section of first " ten " shape charactron does not work when power-off
Indicate off-position.
When earthing switch blade position contact closure, master controller output controls signal all the way, passes through triode control the
Two " V " shape charactron red analog items are bright, indicate that earthing closes a floodgate；Earthing switch blade position contact disconnects, and master controller output is another
Signal is controlled all the way, it is bright by another triode the second " V " shape charactron green analog item of control, indicate that earthing disconnects.
When spring energy-storage contact closure, red spring symbol is bright, indicates energy storage；Spring energy-storage contact disconnects, green
Spring symbol is bright, indicates non-energy storage.
Fig. 7 is the circuit diagram of fault judging circuit.The fault judging circuit, for controlling heater A and heater B.
As shown in fig. 7, the fault judging circuit includes two-way heating and dehumidification control circuit, every road heating and dehumidification circuit includes transformer
T1, rectifier, photoelectrical coupler G11, relay K1 and triode Q4, one end JA+ of heater and the primary coil of transformer
One end connection, the other end JA- connect with one end of the normally opened contact of relay K1, at the beginning of one end of manual switch and transformer T1
Grade coil other end connection, the other end are connect with one end of the normally opened contact of relay K1, the normally opened contact of the relay K1
The other end connect with the collector of triode Q4, the base stage of the triode Q4 is connect by resistance with master controller；It is described
The secondary coil of transformer T1 and the input terminal of rectifier connect, and an output end of the rectifier passes through resistance and photoelectric coupling
The diode anode of device G11 connects, and another output end is connect with the diode cathode of photoelectrical coupler G11, the rectifier
Rectifier diode D23 and electromagnetism electric capacity E1 in parallel, the triode of the photoelectrical coupler G11 are connected between two output ends
Emitter ground connection, the collector of the photoelectrical coupler G11 are connect with master controller, pass through opening for main controller controls heater
It opens and turns off.
When pressing manual switch, manual switch status indicator lamp is bright, and heater A and heater B open control, then clicks manually
Switch, instruction is gone out manually, into automatic control.
As humidity >=85% ± 3%RH or environment temperature≤5 DEG C ± 1 DEG C, master controller controls electricity by heating and dehumidification
Road controls heater A or heater B starting, and heater A or heater B state indicator light are bright；When ambient humidity≤75% ± 3%
RH and when environment temperature >=10 DEG C ± 1 DEG C, master controller controls heater A or heater B by heating and dehumidification control circuit and closes
It closes, indicator light off for heater A or heater B state.
It is also integrally disposed on the circuit board that the present embodiment proposes to have the storage circuit 22 connecting respectively with master controller.It is described
The circuit diagram of storage circuit is as shown in figure 8, the storage circuit uses 404P type storage chip.
It is also integrally disposed on the circuit board that the present embodiment proposes to have RS485 communicating circuit 24.The R485 communicating circuit
Circuit diagram is as shown in figure 9, the RS485 communicating circuit includes RS485 transceiver U4, triode Q1, photoelectrical coupler U2, photoelectricity
The power end VCC of coupler U6 and power module U7, the RS485 transceiver U4 are connect by resistance with power module U7, institute
The positive input/output terminal A and reversed input/output terminal B for stating RS485 transceiver U4 pass through thermistor respectively and RS485 is communicated
Interface connection, the enable end E of the RS485 transceiver are connect with the collector of triode Q1, the transmission of the RS485 transceiver
Data input pin DI is connect with the transistor collector of photoelectrical coupler U6, and the base stage and emitter of the triode Q1 is led to respectively
It crosses resistance to connect with the transistor collector of photoelectrical coupler U6, the transistor emitter of the photoelectrical coupler U6 passes through resistance
It is connect with power module U7, the anode of the photodiode of the photoelectrical coupler U6 connects+5V, the light of the photoelectrical coupler U6
Quick diode cathode is connect with master controller；The reception output end RO and photoelectrical coupler U2's of the RS485 transceiver is photosensitive
Diode cathode connection, the transistor emitter ground connection of the photoelectrical coupler U2, photosensitive two pole of the photoelectrical coupler U2
Tube anode is connect by resistance with power module U7, and the collector of the photoelectrical coupler U2 meets+5V.
In the present embodiment, the RS485 transceiver U4 uses MAX3085 type RS485 transceiver, the power module U7
Using B0505LS-1WR2 type power module.
In the present embodiment, master controller passes through RS485 communicating circuit real-time transmission earthing switch blade location status, breaker position
Set state, spring energy-storage state, heating and manual parameters.
Also integrally disposed on the circuit board that the present embodiment proposes to have power circuit 23, the power circuit 23 includes rectification
Device, power management chip, photoelectrical coupler, transformer and voltage-stablizer.
Specifically, the input terminal of the rectifier is electrically connected with exchange, is connected with three between the input terminal of the rectifier
A concatenated zener diode；The output end of the rectifier is by passing through capacitor, concatenated inductance and resistance and power management
The source electrode of chip connects, and the collector of the phototriode of the switch foot and photoelectrical coupler of power management chip connects, described
The emitter of the phototriode of photoelectrical coupler and the source S of power management chip connect；The output end of the rectifier is also
It is connected by the drain D of two concatenated diodes and power management chip；The drain D and transformer of the power management chip
Primary coil one end connection, the output end of the other end of the primary coil of transformer and rectifier connects, the transformer
Secondary coil connected by the input terminal of diode and voltage-stablizer, the output end output+5V voltage of the voltage-stablizer.
In the present embodiment, the rectifier is made of four concatenated diodes；The power management chip uses
TYN266PN type power management chip；The voltage-stablizer uses 7805 type voltage-stablizers.
The course of work for the switch state comprehensive indicatior that the present embodiment proposes are as follows:
By the terminal plate upper connecting terminal of shell respectively with working power, heater A, heater B, Temperature Humidity Sensor
A, Temperature Humidity Sensor B, high-voltage sensor, breaker closing contact, breaker open operation contact, the touching of breaker operating position
Point breaker experimental site contact, earthing switch blade position contact are connected with spring energy-storage contact.
The temperature and humidity information of two-way Temperature Humidity Sensor acquisition is obtained by humiture collection circuit, and is transmitted to master
Controller presses manual switch, and manual switch status indicator lamp is bright, and heater A and heater B open control, then click and open manually
It closes, instruction is gone out manually, into automatic control；Master controller will receive temperature and humidity information and compare with the threshold value of setting, when wet
When spending >=85% ± 3%RH or environment temperature≤5 DEG C ± 1 DEG C, master controller controls heater A by heating and dehumidification control circuit
Or heater B starting, heater A or heater B state indicator light are bright；When ambient humidity≤75% ± 3%RH and environment temperature
At >=10 DEG C ± 1 DEG C, master controller controls heater A or heater B by heating and dehumidification control circuit and closes, heater A or
Indicator light off for heater B state.
Breaker closing contact signal, breaker open operation contact signal, breaker are acquired by analogue signal acquisition circuit
Operating position contact signal, breaker experimental site contact signal, earthing switch blade position contact signal and spring energy-storage contact letter
Number, and export to master controller；When breaker closing, closing contact closure, the in main controller controls simulative display circuit
The red analog item of one " V " shape charactron is bright；When breaker open operation, separating brake contact closure, main controller controls simulative display electricity
The green analog item of the first " V " shape charactron is bright in road；When the operating position contact closure of breaker, main controller controls mould
The red vertical analog item of first " ten " shape charactron is bright in quasi- display circuit, indicates that breaker is in operating position；Work as open circuit
When the testing position contact closure of device, first " ten " shape charactron Green Water flat-die is quasi- in main controller controls simulative display circuit
Item is bright, indicates that breaker is in testing position；When power-off, first " ten " shape charactron in main controller controls simulative display circuit
Red, green light-emitting section do not work and indicate off-position；When earthing switch blade position contact closure, main controller controls simulative display
The second " V " shape charactron red analog item is bright in circuit, indicates that earthing closes a floodgate；Earthing switch blade position contact disconnects, main control
The second " V " shape charactron green analog item is bright in device control simulative display circuit, indicates that earthing disconnects；When spring energy-storage contact
When closure, main controller controls red spring symbol is bright, indicates energy storage；Spring energy-storage contact disconnects, master controller green bullet
Spring symbol is bright, indicates non-energy storage.
By three-phase electrification indicating circuit acquire high-voltage sensor electriferous state, high-voltage sensor it is a certain
When mutually charging, it is bright mutually to charge indicator light for corresponding this on main controller controls front panel, and lock release indicator light does not work, generation
Table electric-magnetic lock is effective；When the three-phase of high-voltage sensor is not charged, main controller controls lock release indicator light is bright,
Electric-magnetic lock releasing is represented, when no working power, locking effectively, but is not indicated.
Master controller also passes through RS4845 communicating circuit and stores up earthing switch blade location status, circuit breaker position state, spring
The parameters such as energy state, heating are uploaded to the equipment such as host computer.
It can be seen from the above description that the application the above embodiments realize following technical effect:
(1) disclosure acquires the temperature and humidity information in switchgear by humiture collection circuit, passes through fault judging circuit
Heating and dehumidification control is carried out, to realize temperature control, and shows heater status；
(2) disclosure analogue signal acquisition circuit acquires circuit-breaker switching on-off state, circuit breaker position, earthing switch blade position
It sets, spring energy-storage status signal, and circuit-breaker switching on-off state, circuit breaker position, ground connection lock is shown by simulative display circuit
Cutter position, spring energy-storage state are realized and are indicated circuit-breaker status, circuit breaker position, earthing switch blade position and spring energy-storage；
(3) disclosure acquires the three-phase electriferous state of high-voltage sensor by three-phase electrification indicating circuit, and passes through
The three-phase electriferous state and electrification in high voltage blocking of indicator light instruction high-voltage sensor；It realizes and electrification in high voltage is referred to
Show.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (9)
1. a kind of switch cabinet status comprehensive indicator, characterized in that including shell and be arranged in the intracorporal circuit board of shell, the electricity
It is integrally disposed on the plate of road to have master controller, the humiture collection circuit for acquiring temperature and humidity information, for acquiring electrification in high voltage
The three-phase electrification indicating circuit of sensor three-phase electriferous state, for acquire circuit-breaker switching on-off contact, circuit breaker position contact,
The analogue signal acquisition circuit of earthing switch blade position contact and spring energy-storage contact signal, for showing circuit-breaker switching on-off shape
State, circuit breaker position state, earthing switch blade location status and spring energy-storage state simulative display circuit and be used for heating and dehumidification
The fault judging circuit of control, the humiture collection circuit, three-phase electrification indicating circuit, analogue signal acquisition circuit, simulation
Display circuit and fault judging circuit are connect with master controller respectively.
2. switch cabinet status comprehensive indicator according to claim 1, characterized in that the humiture collection circuit includes
Two-way temperature collection circuit and two-way humidity collection circuit, the temperature collection circuit and humidity collection circuit respectively include temperature-sensitive
One end of resistance, fixed resistance and Transient Suppression Diode, the thermistor is connect with Temperature Humidity Sensor, other end difference
It is connect with the anode of one end of fixed resistance, Transient Suppression Diode；The other end of the fixed resistance and master controller it is defeated
Enter end connection.
3. switch cabinet status comprehensive indicator according to claim 1, characterized in that the three-phase electrification indicating circuit packet
Include photoelectric isolating circuit and three road electrification indicating circuits；
Every road electrification indicating circuit respectively includes diode, indicator light, the first photoelectrical coupler and concatenated three resistance, string
One end of three resistance of connection is connect with high-voltage sensor, and the other end passes through the light-emitting diodes of indicator light and photoelectrical coupler
Tube anode connection, the light-emitting diodes tube cathode of first photoelectrical coupler are another by diode and concatenated three resistance
End connection；The transistor collector of first photoelectrical coupler and the input terminal of master controller connect；
The photoelectric isolating circuit includes breaker, the first triode, the second triode and the second photoelectrical coupler, the open circuit
One termination+5V power supply of device, the other end pass through resistance respectively and connect with the base stage of the first triode and the second triode, and described
The emitter of one triode is connect by rectifier diode with the other end of three resistance concatenated in an electrification indicating circuit, institute
The emitter for stating the second triode is connect with the light-emitting diodes tube anode of the second photoelectrical coupler, second photoelectrical coupler
Transistor collector is connect with firewire.
4. switch cabinet status comprehensive indicator according to claim 1, characterized in that the analogue signal acquisition circuit packet
Include six road signal acquisition circuits；
Every road signal acquisition circuit includes rectifier diode and photoelectrical coupler, the light emitting diode sun of the photoelectrical coupler
Pole connects power supply, and the light-emitting diodes tube cathode of the photoelectrical coupler is touched by resistance and breaker closing contact, breaker open operation
Point, breaker operating position contact, breaker experimental site contact, earthing switch blade position contact or the connection of spring energy-storage contact,
It is connected with rectifier diode between the anode and cathode of the light emitting diode of the photoelectrical coupler, the three of the photoelectrical coupler
Pole pipe emitter ground connection, the transistor collector of the photoelectrical coupler are connect with master controller input terminal.
5. switch cabinet status comprehensive indicator according to claim 1, characterized in that the simulative display circuit includes four
Number code pipe control circuit, every number code pipe control circuit include two triodes, wherein the base stage of a triode passes through electricity
Resistance is connect with the output end of master controller, one end connection of one on the collector and front panel of a triode group charactron, separately
The base stage of one triode is connected by the output end of resistance and master controller, and one on the collector and front panel of another triode
The other end connection of group charactron.
6. switch cabinet status comprehensive indicator according to claim 1, characterized in that the fault judging circuit includes two
Road heating and dehumidification control circuit, every road heating and dehumidification circuit include transformer, rectifier, photoelectrical coupler, relay and three poles
Pipe；
One end of the transistor base is connect by resistance with master controller, and the collector of the triode passes through two poles of rectification
Pipe connect with normally opened contact one end of relay, the normally opened contact other end of the relay respectively with heater and manual switch
One end connection；
The primary coil of the other end and transformer of heater and manual switch connects, the secondary coil of the transformer and rectification
The input terminal of device connects, and an output end of the rectifier is connected by the diode anode of resistance and photoelectrical coupler, another
The diode cathode of output end and photoelectrical coupler connects, and rectification in parallel is connected between two output ends of the rectifier
The collector of diode and electromagnetism electric capacity, the photoelectrical coupler is connect with master controller.
7. switch cabinet status comprehensive indicator according to claim 1, characterized in that also integrally disposed on the circuit board
There are RS485 communicating circuit, storage circuit and power circuit.
8. switch cabinet status comprehensive indicator according to claim 1, characterized in that the rear portion of the shell, which is provided with, to be connect
Line plate is provided with multiple connecting terminals on terminal plate, and the front of the shell is provided with front panel, is provided on the front panel
Four groups of charactrons and two groups of spring status indicator lamps, four groups of charactrons and two groups of spring status indicator lamps respectively with main control
Device connection.
9. switch cabinet status comprehensive indicator according to claim 8, characterized in that be provided on the front panel multiple
For the indicator light and multiple indicator lights shown for Temperature and Humidity Control of HV live displaying, indicator light and master controller connect
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822170445.0U CN209133975U (en) | 2018-12-21 | 2018-12-21 | A kind of switch cabinet status comprehensive indicator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822170445.0U CN209133975U (en) | 2018-12-21 | 2018-12-21 | A kind of switch cabinet status comprehensive indicator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361169A (en) * | 2018-12-21 | 2019-02-19 | 益和电气集团股份有限公司 | A kind of switch cabinet status comprehensive indicator and state indication method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361169A (en) * | 2018-12-21 | 2019-02-19 | 益和电气集团股份有限公司 | A kind of switch cabinet status comprehensive indicator and state indication method |
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Address after: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Patentee after: Qingdao Yihe Electric Group Co., Ltd Address before: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Patentee before: Yihe Electric Group Co., Ltd. |