CN208904493U - Transformer air-cooled Intelligent control cabinet - Google Patents
Transformer air-cooled Intelligent control cabinet Download PDFInfo
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- CN208904493U CN208904493U CN201821670500.6U CN201821670500U CN208904493U CN 208904493 U CN208904493 U CN 208904493U CN 201821670500 U CN201821670500 U CN 201821670500U CN 208904493 U CN208904493 U CN 208904493U
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Abstract
The utility model discloses a kind of transformer air-cooled Intelligent control cabinets, including cabinet body, cabinet door and top cover, observation window is provided in cabinet door, the hinged place of cabinet door and cabinet body is provided with gate controlled switch, heat release hole is provided on top cover, draught fan and headlamp are provided in cabinet body below top cover, headlamp and gate controlled switch, which are connected in series, constitutes Lighting control circuit；It is provided with dual power supply module, PLC controller, PLC controller power supply circuit, blower unit hand automatic control loop, blower major loop, in-cabinet temperature on the intracorporal mounting rack of cabinet and adjusts control loop, remote-transmission module, temperature controller and heater, wherein temperature controller connects and composes in-cabinet temperature regulating loop with heater and draught fan respectively.The utility model is connect through cable with outdoor blower unit, is controlled by realizing to blower unit allocation the ventilation and heat of transformer, also the intracorporal temperature of cabinet can be adjusted, provide suitable working environment for the intracorporal electrical equipment of cabinet.
Description
Technical field
The utility model relates to transformer technology field, especially a kind of transformer air-cooled Intelligent control cabinet.
Background technique
In electrical system, air cooling system is the indispensable auxiliary device of high-power transformer, and for transformer carries out wind-cooling heat dissipating
Processing, air cooling system includes blower unit and the air-cooled control cabinet for controlling blower unit.Currently, for convenience of controlling, it is air-cooled
System is mounted on outdoor with high-power transformer mostly, however, temperature rise is obvious in cabinet body since summer outdoor temperature is higher, in addition
Control cabinet internal wiring terminal, it is various be spaced apart, relay and other electrical equipments it is numerous so that the fever in air-cooled control cabinet
Amount rises rapidly, and along with interior of the cabinet is sluggish in air circulation, excessively high temperature can cause the intracorporal electrical equipment of cabinet can not
Inverse damage；In addition, in winter, since outdoor temperature is lower, air-cooled control cabinet, which is under severe cold environment, equally to be influenced in cabinet body
Electrical equipment normal work, therefore for the temperature of air-cooled control cabinet itself control be also guarantee electric system operate normally
One of basis.
Utility model content
The utility model technical issues that need to address are to provide one kind and are mountable to the intelligently control of indoor transformer air-cooled
Cabinet processed can carry out automatic adjusument according to environment temperature, overcome the defect of outdoor temperature variation dramatic impact equipment operation.
In order to solve the above technical problems, technical solution adopted in the utility model is as follows.
Transformer air-cooled Intelligent control cabinet, including mutually equipped cabinet body, cabinet door and top cover, it is characterised in that: the cabinet door
On be provided with observation window, the hinged place of cabinet door and cabinet body is provided with gate controlled switch, heat release hole is provided on top cover, below top cover
Draught fan and headlamp are provided in cabinet body, headlamp and gate controlled switch, which are connected in series, constitutes Lighting control circuit；Cabinet body bottom
Long cable section of ingoing line hole and cable outlet hole are provided on seat；Multilayer mounting rack is provided in the cabinet body from top to bottom, on mounting rack
It is provided with dual power supply module, PLC controller, PLC controller power supply circuit, blower unit hand automatic control loop, blower
Major loop, in-cabinet temperature adjust control loop, remote-transmission module, temperature controller and heater, wherein temperature controller respectively with heater
In-cabinet temperature regulating loop is connected and composed with draught fan；The output end of the blower unit hand automatic control loop and temperature control
The output end of device is separately connected the input terminal of PLC controller, the output end of PLC controller respectively with in-cabinet temperature regulating loop,
Blower major loop, in-cabinet temperature adjust the controlled end connection of control loop and remote-transmission module；It is additionally provided with and connects in the cabinet body
Line terminals row, connecting terminal block is externally through the transformer temperature detection device outside cable connection room, and connecting terminal block is internally through leading
The temperature information collection terminal of line connection PLC controller；The leading-out terminal of the blower major loop through connecting terminal block and is connected to
Cable on connecting terminal block is electrically connected with outdoor fan unit, and remote-transmission module is through connecting terminal block and is connected to connecting terminal
Communication cable and control centre's server on row carry out data communication.
Above-mentioned transformer air-cooled Intelligent control cabinet, the dual power supply module include being set side by side and interlocking I section of electricity
Source branch and II section of power branch；I section of power branch includes that concatenated I section of power supply is spaced apart to exchange with power interlock first and connects
The normally opened contact of tentaculum, I section of power supply, which is spaced apart on the conducting wire between the normally opened contact of the first A.C. contactor of power interlock, to be connected
Have for monitoring voltage value fluctuation the first under-voltage relay, the two of the normally opened contact of first A.C. contactor of power interlock
End has been arranged in parallel I section of line under-voltage converting branch, and I section of line under-voltage converting branch includes the first under-voltage relay being connected in series
Device normally opened contact, the first ac contactor of transfer switch, power interlock the second A.C. contactor normally-closed contact and power interlock
Device coil；II section of power branch includes that concatenated II section of power supply is spaced apart normally opened touching with the second A.C. contactor of power interlock
Point, II section of power supply, which is spaced apart on the conducting wire between the normally opened contact of the second A.C. contactor of power interlock, to be connected with for monitoring electricity
Second under-voltage relay of pressure value fluctuation, the both ends of the normally opened contact of second A.C. contactor of power interlock have been arranged in parallel
II section of line under-voltage converting branch, II section of line under-voltage converting branch include the normally opened touching of the second under-voltage relay being connected in series
Point, the second ac contactor coil of transfer switch, power interlock the first A.C. contactor normally-closed contact and power interlock.
Above-mentioned transformer air-cooled Intelligent control cabinet is additionally provided in I section of power branch for acquiring I section of power branch
Whether I section of power failure intermediate relay of failure, the coil tandem of I section of power failure intermediate relay is in the first under-voltage relay
Between device normally opened contact and zero curve；Be additionally provided in II section of power branch for acquire II section of power branch whether failure
II section of power failure intermediate relay, the coil tandem of II section of power failure intermediate relay is in the normally opened touching of the second under-voltage relay
Between point and zero curve.
Above-mentioned transformer air-cooled Intelligent control cabinet, the blower unit hand automatic control loop include for switching the first wind
Machine unit switchs and with the first blower unit allocation loop switch of distant place manual control mode switching for cutting manually, automatically
The second blower unit is changed to switch with the second blower unit allocation loop switch of distant place manual control mode switching manually, automatically；
The automatic output end of the first blower unit allocation loop switch switch and the second blower unit allocation loop switch switch connects
It is connected to the input terminal of PLC controller, the output end of the first blower unit allocation loop switch switch is connected to the first blower unit
The output end of coil one end of triggering intermediate relay manually, the second blower unit allocation loop switch switch is connected to the second wind
Machine unit triggers coil one end of intermediate relay manually.
Above-mentioned transformer air-cooled Intelligent control cabinet, the blower major loop include the first blower unit allocation branch, second
Blower unit allocation branch and the first blower unit monitoring branch and the second blower for monitoring blower operating states of the units
Unit monitors branch；
The first blower unit allocation branch include be connected in series the first blower unit firewire be spaced apart, the first blower machine
Group A.C. contactor normally opened contact and the first blower unit Thermomagetic circuit-breaker；The power end that first blower unit firewire is spaced apart connects
The power output end of dual power supply module is connect, the Thermomagetic circuit-breaker of the first blower unit connects blower motor；First blower machine
Group monitoring branch is connected in series in the first blower unit firewire and is spaced apart between the first blower unit A.C. contactor normally opened contact
One between phase line and zero curve, the first blower unit zero curve including series connection is spaced apart, the first blower unit triggers manually
Intermediate relay normally opened contact, the normally opened contact of the first blower unit Thermomagetic circuit-breaker and the first blower unit ac contactor
Device；
The second blower unit allocation branch include be connected in series the second blower unit firewire be spaced apart, the second blower machine
Group A.C. contactor normally opened contact and the second blower unit Thermomagetic circuit-breaker；The power end that second blower unit firewire is spaced apart connects
The power output end of dual power supply module is connect, the Thermomagetic circuit-breaker of the second blower unit connects blower motor；
Second blower unit monitoring branch is connected in series in the second blower unit firewire and is spaced apart to be exchanged with the second blower unit
One between contactor normally opened contact is between phase line and zero curve, and the second blower unit zero curve including series connection is spaced apart,
Two blower units trigger the normally opened contact and second of intermediate relay normally opened contact, the second blower unit Thermomagetic circuit-breaker manually
Blower unit A.C. contactor.
Above-mentioned transformer air-cooled Intelligent control cabinet, the in-cabinet temperature, which is adjusted, is additionally provided with control drop manually in control loop
Temperature, manually heating and the in-cabinet temperature for automatically controlling switching adjust change-over switch, and in-cabinet temperature adjusts change-over switch and is connected to
Between heater and power supply phase line and between draught fan and power supply phase line.
Above-mentioned transformer air-cooled Intelligent control cabinet, the remote-transmission module include I section of power failure teletransmission intermediate relay, II
Section power failure teletransmission intermediate relay, power supply intermediate relay, fan trouble teletransmission intermediate relay, PLC controller failure
Teletransmission intermediate relay, air-cooled full cut-off triggering intermediate relay and tripping relay, wherein among I section of power failure teletransmission after
Electric appliance, II section of power failure teletransmission intermediate relay, fan trouble teletransmission intermediate relay, among PLC controller failure teletransmission
The coil of relay, air-cooled full cut-off triggering intermediate relay and tripping relay is connected to PLC controller output end and direct current
Between power supply, the coil tandem of power supply intermediate relay is in PLC controller power supply circuit；Above-mentioned each intermediate relay it is normally opened
The normally opened contact of contact, the first blower unit A.C. contactor and the second blower unit A.C. contactor is respectively connected to terminals
Son row.
Due to using above technical scheme, technological progress acquired by the utility model is as follows.
The utility model is mountable to interior, connect through cable with outdoor blower unit, by blower unit allocation
To realize that the ventilation and heat to transformer controls.Indoors due to the installation of entire cabinet body, the variation of temperature is smaller, knot
Temperature controller, heater and the draught fan being arranged in cabinet body are closed, automatic or manual adjusting can be carried out to the intracorporal temperature of cabinet, from
And suitable working environment is provided for the intracorporal electrical equipment of cabinet, it is provided safeguard for the safe and reliable operation of electric system.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the electrical schematic diagram of dual power supply module described in the utility model；
Fig. 3 is the electrical schematic diagram of PLC controller power supply circuit described in the utility model；
Fig. 4 is the electrical schematic diagram of blower unit hand automatic control loop described in the utility model；
Fig. 5 is the electrical schematic diagram of blower major loop described in the utility model；
Fig. 6 is the electrical schematic diagram in in-cabinet temperature described in the utility model adjusting and Lighting control circuit；
Fig. 7 is the electrical schematic diagram of PLC controller control loop described in the utility model；
Fig. 8 is the electrical schematic diagram of remote-transmission module described in the utility model.
Wherein: 1. cabinet doors, 2. top covers, 3. observation windows, 4. nameplate columns, 5. identification fields；
Q1. I section of power supply is spaced apart, and II section of power supply of Q2. is spaced apart, the first under-voltage relay of KV1., the second under-voltage relay of KV2.,
SA. transfer switch, the first A.C. contactor of KMS1. power interlock, the second A.C. contactor of KMS2. power interlock, KK1. I
Section power failure intermediate relay, II section of power failure intermediate relay of LL2.,
SA1. the first blower unit allocation circuit change-over switch, SA2. the second blower unit allocation circuit change-over switch,
QZ1. the first blower unit firewire is spaced apart, and QZ2. the second blower unit firewire is spaced apart, the first blower of QK1. unit zero
Line is spaced apart, and QK2. the second blower unit zero curve is spaced apart, KM1. the first blower unit A.C. contactor, KM2. the second blower unit
A.C. contactor, 1QF1.1 blower Thermomagetic circuit-breaker, 1QF2.3 blower Thermomagetic circuit-breaker, the pyromagnetic open circuit of 1QF3.5 blower
Device, 2QF1.2 blower Thermomagetic circuit-breaker, 2QF2.4 blower Thermomagetic circuit-breaker, KC1. the first blower unit trigger centre manually
Relay, KC2 the second blower unit trigger intermediate relay manually,
QJ. cabinet interior power is spaced apart, WK. temperature controller, SC. in-cabinet temperature adjusting change-over switch, R. heater, FAN. fan,
EL. headlamp, SD. gate controlled switch, PS. single-phase socket,
ZK1-ZK2. controller power source is spaced apart, PW1-PW2. power switch, 3KC. power supply intermediate relay, D1-D2. bis-
Pole pipe,
I section of power failure teletransmission intermediate relay of 1KC., II section of power failure teletransmission intermediate relay of 2KC., 4KC. wind
Machine failure teletransmission intermediate relay, 5KC.PLC controller failure teletransmission intermediate relay, the air-cooled full cut-off of 6KC. trigger intermediate relay
Device, 7KC. tripping relay.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
A kind of transformer air-cooled Intelligent control cabinet, structure is as shown in Figure 1, include mutually equipped cabinet body, cabinet door 1 and top cover
2, it is provided with observation window 3 in cabinet door and pastes the nameplate column 4 of nameplate and pastes the identification field 5 of producer's mark；Cabinet door and cabinet body
Hinged place be provided with gate controlled switch SD, heat release hole is provided on top cover, draught fan FAN is provided in the cabinet body below top cover
With headlamp EL；Wherein headlamp and gate controlled switch are connected in series in composition Lighting control circuit, such as Fig. 6 between phase line and zero curve
It is shown；Long cable section of ingoing line hole and cable outlet hole are provided on bottom base of cabinet body.
Multilayer mounting rack is provided in cabinet body from top to bottom, dual power supply module, PLC control are provided on mounting rack
Device, PLC controller power supply circuit, blower unit hand automatic control loop, blower major loop, in-cabinet temperature adjust control loop,
Remote-transmission module, temperature controller and heater, wherein temperature controller connects and composes in-cabinet temperature tune with heater and draught fan respectively
Circuit is saved, as shown in fig. 6, the intracorporal temperature value of control cabinet is used for, to guarantee that each electrical equipment operates normally；Above-mentioned blower unit
The output end of hand automatic control loop and the output end of temperature controller are separately connected the input terminal of PLC controller, PLC controller
Output end adjusted respectively with in-cabinet temperature regulating loop, blower major loop, in-cabinet temperature control loop and remote-transmission module by
Control end connection.
In-cabinet temperature, which adjusts to be additionally provided in control loop, controls cooling manually, manual heating and automatic control switching
In-cabinet temperature adjusts change-over switch SC, and in-cabinet temperature adjusts change-over switch SC and is connected between heater R and power supply phase line and leads to
Between wind fan and power supply phase line, as shown in Figure 6.
Connecting terminal block is additionally provided in cabinet body, connecting terminal block is externally detected through the transformer temperature outside cable connection room
Device, temperature information collection terminal of the connecting terminal block internally through conducting wire connection PLC controller, PLC controller as shown in Figure 7
The acquisition of low oil temperature, high oil temperature signal 1, high oil temperature signal 2 and 75 DEG C of alarm temperature signals in control loop；Blower major loop
Leading-out terminal be electrically connected through connecting terminal block and the cable being connected on connecting terminal block with outdoor fan unit, remote-transmission module
Data communication is carried out through connecting terminal block and the communication cable being connected on connecting terminal block and control centre's server.
Dual power supply modular electrical schematic diagram in the utility model is as shown in Fig. 2, include being set side by side and interlocking I
Section power branch and II section of power branch.
I section of power branch includes the normally opened contact that concatenated I section of power supply is spaced apart the first A.C. contactor of Q1 and power interlock,
I section of power supply, which is spaced apart on the conducting wire between the normally opened contact of the first A.C. contactor of Q1 and power interlock, to be connected with for monitoring voltage
It is worth the first under-voltage relay KV1 of fluctuation, the both ends of the normally opened contact of first A.C. contactor of power interlock are arranged in parallel
There is I section of line under-voltage converting branch, I section of line under-voltage converting branch includes the normally opened touching of the first under-voltage relay being connected in series
Point, the first ac contactor coil of transfer switch SA, power interlock the second A.C. contactor normally-closed contact and power interlock.
Be additionally provided in I section of power branch for acquire I section of power branch whether I section of power failure intermediate relay KK1 of failure, I
The coil tandem of section power failure intermediate relay is between the first under-voltage relay normally opened contact and zero curve, as shown in Fig. 2, I
The input terminal of the normally-closed contact access PLC controller of section power failure intermediate relay, as shown in Fig. 7.
II section of power branch includes the normally opened touching that concatenated II section of power supply is spaced apart the second A.C. contactor of Q2 and power interlock
Point, II section of power supply, which is spaced apart on the conducting wire between the normally opened contact of the second A.C. contactor of Q2 and power interlock, to be connected with for monitoring
The both ends of second under-voltage relay KV2 of voltage value fluctuation, the normally opened contact of second A.C. contactor of power interlock are in parallel
It is provided with II section of line under-voltage converting branch, II section of line under-voltage converting branch includes that the second under-voltage relay of series connection is normal
Open contact, the second A.C. contactor of transfer switch SA, power interlock the first A.C. contactor normally-closed contact and power interlock
Coil.Be additionally provided in II section of power branch for acquire II section of power branch whether failure II section of power failure among relay
Device KK2, the coil tandem of II section of power failure intermediate relay are such as schemed between the second under-voltage relay normally opened contact and zero curve
Shown in 2, the input terminal of the normally-closed contact access PLC controller of II section of power failure intermediate relay, as shown in Fig. 7.
Blower unit hand automatic control loop is as shown in figure 4, include manual, automatic and remote for switching the first blower unit
The the first blower unit allocation loop switch switch SA1 and be used to switch the second blower unit hand that square manual control mode switches
Dynamic, the switching of automatic and distant place manual control mode the second blower unit allocation loop switch switch SA2；The first blower machine
The automatic output end of group control loop switching switch SA1 and the second blower unit allocation loop switch switch SA2 is connected to PLC control
The input terminal of device processed, the output end of the first blower unit allocation loop switch switch SA1 are connected to the first blower unit and touch manually
Coil one end of intermediate relay KC1 is sent out, (output end of SA2 is connected to second to the second blower unit allocation loop switch switch
Blower unit triggers coil one end of intermediate relay KC2 manually.
Blower major loop is for realizing the work to blower unit under the instruction of PLC controller or under manual operation instruction
It is controlled as state, as shown in figure 5, including the first blower unit allocation branch, the second blower unit allocation branch and use
Branch is monitored in the first blower unit monitoring branch of monitoring blower operating states of the units and the second blower unit.
Wherein, the first blower unit allocation branch includes that the first blower unit firewire being connected in series is spaced apart QZ1, the first wind
Machine unit A.C. contactor normally opened contact and the first blower unit Thermomagetic circuit-breaker；First blower unit firewire is spaced apart QZ1's
Power end connects the power output end of dual power supply module, and the Thermomagetic circuit-breaker of the first blower unit connects blower motor.This
Three blowers MF1, MF3, MF5 are arranged in the first blower unit altogether in embodiment, and correspondingly, Thermomagetic circuit-breaker is also configured as three
1QF1,1QF2,1QF3 respectively correspond three blowers of control.
First blower unit monitoring branch is connected in series in the first blower unit firewire and is spaced apart to be exchanged with the first blower unit
One between contactor normally opened contact is between phase line and zero curve, the first blower unit zero curve including series connection be spaced apart QK1,
First blower unit triggers intermediate relay normally opened contact, the normally opened contact of the first blower unit Thermomagetic circuit-breaker and manually
The normally opened contact of one blower unit ac contactor coil, the first blower unit A.C. contactor is connected to the defeated of PLC controller
Enter end, for transmitting the first blower operating states of the units signal to PLC controller.
Second blower unit allocation branch includes that the second blower unit firewire being connected in series is spaced apart QZ2, the second blower machine
Group A.C. contactor normally opened contact and the second blower unit Thermomagetic circuit-breaker；Second blower unit firewire is spaced apart the power supply of QZ2
The power output end of end connection dual power supply module, the Thermomagetic circuit-breaker of the second blower unit connect blower motor.This implementation
Three blowers MF2, MF4 are arranged in the second blower unit altogether in example, and correspondingly, Thermomagetic circuit-breaker is also configured as three 2QF1,2QF2,
Respectively correspond two blowers of control.
Second blower unit monitoring branch is connected in series in the second blower unit firewire and is spaced apart to be exchanged with the second blower unit
One between contactor normally opened contact is between phase line and zero curve, the second blower unit zero curve including series connection be spaced apart QK2,
Second blower unit triggers intermediate relay normally opened contact, the normally opened contact of the second blower unit Thermomagetic circuit-breaker and manually
The normally opened contact of two blower unit ac contactor coils, the second blower unit A.C. contactor is connected to the defeated of PLC controller
Enter end, for transmitting the second blower operating states of the units signal to PLC controller.
The normally-closed contact of above-mentioned each Thermomagetic circuit-breaker be connected to PLC controller for monitor blower whether failure, such as Fig. 7 institute
Show.
Remote-transmission module is for realizing the transmission of the remote signal of electrical equipment in cabinet and fan operation state, including I section of electricity
Source failure teletransmission intermediate relay 1KC, II section of power failure teletransmission intermediate relay 2KC, power supply intermediate relay 3KC, blower
Failure teletransmission intermediate relay 4KC, PLC controller failure teletransmission intermediate relay 5KC, air-cooled full cut-off trigger intermediate relay
6KC and tripping relay 7KC, wherein among I section of power failure teletransmission intermediate relay 1KC, II section of power failure teletransmission after
Electric appliance 2KC, fan trouble teletransmission intermediate relay 4KC, PLC controller failure teletransmission intermediate relay 5KC, the triggering of air-cooled full cut-off
The coil of intermediate relay 6KC and tripping relay 7KC are connected between PLC controller output end and DC power supply, such as Fig. 7
Shown in PLC controller control loop electrical schematic diagram；The coil tandem of power supply intermediate relay 3KC is powered in PLC controller
In circuit, the electrical schematic diagram of PLC controller power supply circuit as shown in Figure 3；The normally opened contact of above-mentioned each intermediate relay point
It is not connected to connecting terminal block, the electrical schematic diagram of remote-transmission module as shown in Figure 8.Wherein among I section of power failure teletransmission after
Electric appliance 1KC for distally transmit I section of power supply whether the signal of failure, II section of power failure teletransmission intermediate relay 2KC be used for
Distally transmit II section of power supply whether the signal of failure, power supply intermediate relay 3KC is for distally transmission PLC power supply
The signal of no failure, fan trouble teletransmission intermediate relay 4KC for distally transmission blower whether the signal of failure, PLC control
Device failure teletransmission intermediate relay 5KC processed for distally transmission PLC controller whether the signal of failure, in the triggering of air-cooled full cut-off
Between relay 6KC for distally transmitting the signal whether air-cooled full cut-off all shuts down, tripping relay 7KC is for distally passing
The alarm signal of pressure fan full cut-off.
The power supply circuit of PLC controller using two branches arranged side by side as shown in figure 3, powered, all the way using exchange in cabinet
Power supply power supply uses self-powered all the way.Wherein AC power source via controller power supply is spaced apart ZK1 and power switch PW1 is connected to
PLC controller power end, for monitoring the power supply intermediate relay 3KC coil tandem of PLC controller power work state in electricity
Source switch PW1 outlet side.Self-powered via controller power supply is spaced apart ZK2 and power switch PW2 is connected to PLC controller power supply
End.
Touch screen is additionally provided in PLC controller, touch screen is inlaid on the panel of cabinet body, and opposite with observation window position
It answers, convenient working personnel check.Transfer switch SA, the first blower unit allocation circuit change-over switch in the utility model
SA1, the second blower unit allocation circuit change-over switch S2, in-cabinet temperature adjust change-over switch SC and are installed in touch screen in cabinet body
On the panel of lower section, convenient working personnel operate before cabinet body.
Claims (7)
1. transformer air-cooled Intelligent control cabinet, including mutually equipped cabinet body, cabinet door and top cover, it is characterised in that: in the cabinet door
It is provided with observation window, the hinged place of cabinet door and cabinet body is provided with gate controlled switch, and heat release hole, the cabinet below top cover are provided on top cover
It is provided with draught fan and headlamp in vivo, headlamp and gate controlled switch, which are connected in series, constitutes Lighting control circuit；Bottom base of cabinet body
On be provided with long cable section of ingoing line hole and cable outlet hole；
Multilayer mounting rack is provided in the cabinet body from top to bottom, dual power supply module, PLC control are provided on mounting rack
Device, PLC controller power supply circuit, blower unit hand automatic control loop, blower major loop, in-cabinet temperature adjust control loop,
Remote-transmission module, temperature controller and heater, wherein temperature controller connects and composes in-cabinet temperature tune with heater and draught fan respectively
Save circuit；The output end of the blower unit hand automatic control loop and the output end of temperature controller are separately connected PLC controller
Input terminal, the output end of PLC controller respectively with in-cabinet temperature regulating loop, blower major loop, in-cabinet temperature adjust control
The connection of the controlled end of circuit and remote-transmission module；
Connecting terminal block is additionally provided in the cabinet body, connecting terminal block is externally detected through the transformer temperature outside cable connection room
Device, temperature information collection terminal of the connecting terminal block internally through conducting wire connection PLC controller；The leading-out terminal of the blower major loop
It is electrically connected through connecting terminal block and the cable being connected on connecting terminal block with outdoor fan unit, remote-transmission module is through terminals
Son row and the communication cable and control centre's server being connected on connecting terminal block carry out data communication.
2. transformer air-cooled Intelligent control cabinet according to claim 1, it is characterised in that: the dual power supply module packet
It includes and is set side by side and interlocking I section of power branch and II section of power branch；
I section of power branch includes the normally opened touching that concatenated I section of power supply is spaced apart (Q1) and the first A.C. contactor of power interlock
Point, I section of power supply, which is spaced apart on the conducting wire between (Q1) and the normally opened contact of the first A.C. contactor of power interlock, to be connected with for supervising
Survey the first under-voltage relay (KV1) of voltage value fluctuation, the both ends of the normally opened contact of first A.C. contactor of power interlock
It is arranged in parallel I section of line under-voltage converting branch, I section of line under-voltage converting branch includes the first under-voltage relay being connected in series
Normally opened contact, transfer switch (SA), power interlock the second A.C. contactor normally-closed contact are exchanged with power interlock first and are connect
Tentaculum coil；
II section of power branch includes that concatenated II section of power supply is spaced apart the normally opened of (Q2) and the second A.C. contactor of power interlock
Contact, II section of power supply, which is spaced apart to be connected on the conducting wire between (Q2) and the normally opened contact of the second A.C. contactor of power interlock, to be used for
The second under-voltage relay (KV2) of monitoring voltage value fluctuation, the two of the normally opened contact of second A.C. contactor of power interlock
End has been arranged in parallel II section of line under-voltage converting branch, II section of line under-voltage converting branch include be connected in series second it is under-voltage after
Electric appliance normally opened contact, transfer switch (SA), power interlock the first A.C. contactor normally-closed contact and power interlock second are handed over
Flow contactor coil.
3. transformer air-cooled Intelligent control cabinet according to claim 2, it is characterised in that: in I section of power branch also
Be provided with for acquire I section of power branch whether I section of power failure intermediate relay (KK1) of failure, among I section of power failure
The coil tandem of relay is between the first under-voltage relay normally opened contact and zero curve；It is additionally provided in II section of power branch
For acquire II section of power branch whether II section of power failure intermediate relay (KK2) of failure, among II section of power failure after
The coil tandem of electric appliance is between the second under-voltage relay normally opened contact and zero curve.
4. transformer air-cooled Intelligent control cabinet according to claim 1, it is characterised in that: the blower unit hand is controlled automatically
Circuit processed include for switch the first blower unit manually, the first blower unit control of automatic and distant place manual control mode switching
Loop switch processed switchs (SA1) and manual, the switching of automatic and distant place manual control mode for switching the second blower unit
Second blower unit allocation loop switch switchs (SA2)；The first blower unit allocation loop switch switchs (SA1) and second
The automatic output end of blower unit allocation loop switch switch (SA2) is connected to the input terminal of PLC controller, the first blower unit
The output end of control loop switching switch (SA1) is connected to the coil that the first blower unit triggers intermediate relay (KC1) manually
One end, the output end of the second blower unit allocation loop switch switch (SA2) are connected to the second blower unit and trigger centre manually
Coil one end of relay (KC2).
5. transformer air-cooled Intelligent control cabinet according to claim 1, it is characterised in that: the blower major loop includes the
One blower unit allocation branch, the second blower unit allocation branch and the first blower for monitoring blower operating states of the units
Unit monitors branch and the second blower unit monitors branch；
The first blower unit allocation branch includes that the first blower unit firewire being connected in series is spaced apart (QZ1), the first blower
Unit A.C. contactor normally opened contact and the first blower unit Thermomagetic circuit-breaker；First blower unit firewire is spaced apart (QZ1)
Power end connects the power output end of dual power supply module, and the Thermomagetic circuit-breaker of the first blower unit connects blower motor；
First blower unit monitoring branch is connected in series in the first blower unit firewire and is spaced apart and the first blower unit ac contactor
Between phase line and zero curve, the first blower unit zero curve including series connection is spaced apart (QK1), by one between device normally opened contact
One blower unit triggers the normally opened contact and first of intermediate relay normally opened contact, the first blower unit Thermomagetic circuit-breaker manually
Blower unit A.C. contactor (KM1)；
The second blower unit allocation branch includes that the second blower unit firewire being connected in series is spaced apart (QZ2), the second blower
Unit A.C. contactor normally opened contact and the second blower unit Thermomagetic circuit-breaker；Second blower unit firewire is spaced apart (QZ2)
Power end connects the power output end of dual power supply module, and the Thermomagetic circuit-breaker of the second blower unit connects blower motor；
Second blower unit monitoring branch is connected in series in the second blower unit firewire and is spaced apart and the second blower unit ac contactor
Between phase line and zero curve, the second blower unit zero curve including series connection is spaced apart (QK2), by one between device normally opened contact
Two blower units trigger the normally opened contact and second of intermediate relay normally opened contact, the second blower unit Thermomagetic circuit-breaker manually
Blower unit A.C. contactor (KM2).
6. transformer air-cooled Intelligent control cabinet according to claim 1, it is characterised in that: the in-cabinet temperature adjusts control
Control is additionally provided in circuit, and cooling, the in-cabinet temperature for heating up manually and automatically controlling switching adjust change-over switch manually
(SC), in-cabinet temperature adjusts change-over switch (SC) and is connected between heater (R) and power supply phase line and draught fan and power supply phase
Between line.
7. transformer air-cooled Intelligent control cabinet according to claim 1, it is characterised in that: the remote-transmission module includes I section
Power failure teletransmission intermediate relay (1KC), II section of power failure teletransmission intermediate relay (2KC), power supply intermediate relay
(3KC), fan trouble teletransmission intermediate relay (4KC), PLC controller failure teletransmission intermediate relay (5KC), the touching of air-cooled full cut-off
Intermediate relay (6KC) and tripping relay (7KC) are sent out, wherein I section of power failure teletransmission intermediate relay (1KC), II section
Power failure teletransmission intermediate relay (2KC), fan trouble teletransmission intermediate relay (4KC), among PLC controller failure teletransmission
The coil of relay (5KC), air-cooled full cut-off triggering intermediate relay (6KC) and tripping relay (7KC) is connected to PLC control
Between device output end and DC power supply, the coil tandem of power supply intermediate relay (3KC) is in PLC controller power supply circuit；On
State the normally opened of the normally opened contact of each intermediate relay, the first blower unit A.C. contactor and the second blower unit A.C. contactor
Contact is respectively connected to connecting terminal block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670500.6U CN208904493U (en) | 2018-10-16 | 2018-10-16 | Transformer air-cooled Intelligent control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670500.6U CN208904493U (en) | 2018-10-16 | 2018-10-16 | Transformer air-cooled Intelligent control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904493U true CN208904493U (en) | 2019-05-24 |
Family
ID=66575827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821670500.6U Active CN208904493U (en) | 2018-10-16 | 2018-10-16 | Transformer air-cooled Intelligent control cabinet |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829369A (en) * | 2019-11-20 | 2020-02-21 | 山东职业学院 | Electric control protection device for hydraulic station |
| CN112017847A (en) * | 2020-08-26 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Temperature control method and device in transformer room |
| CN112393499A (en) * | 2020-10-30 | 2021-02-23 | 安庆三维电器有限公司 | PLC controlled refrigeration and freezing cabinet |
| CN114204668A (en) * | 2022-01-28 | 2022-03-18 | 浙江机电职业技术学院 | Transformer substation environment monitoring device |
-
2018
- 2018-10-16 CN CN201821670500.6U patent/CN208904493U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829369A (en) * | 2019-11-20 | 2020-02-21 | 山东职业学院 | Electric control protection device for hydraulic station |
| CN112017847A (en) * | 2020-08-26 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Temperature control method and device in transformer room |
| CN112393499A (en) * | 2020-10-30 | 2021-02-23 | 安庆三维电器有限公司 | PLC controlled refrigeration and freezing cabinet |
| CN114204668A (en) * | 2022-01-28 | 2022-03-18 | 浙江机电职业技术学院 | Transformer substation environment monitoring device |
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