CN206322041U - A kind of exciting transformer cooling controller - Google Patents
A kind of exciting transformer cooling controller Download PDFInfo
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- CN206322041U CN206322041U CN201621379743.5U CN201621379743U CN206322041U CN 206322041 U CN206322041 U CN 206322041U CN 201621379743 U CN201621379743 U CN 201621379743U CN 206322041 U CN206322041 U CN 206322041U
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Abstract
The utility model discloses a kind of exciting transformer cooling controller, including controller, temperature detecting module, cooling blower module and power module, the temperature detecting module includes the first temperature detecting module, second temperature detection module and the 3rd temperature detecting module, the cooling blower module includes the first cooling blower module, second cooling blower module and the 3rd cooling blower module, first temperature detecting module includes the first temp probe and the first signal processing circuit, the second temperature detection module includes second temperature probe and secondary signal process circuit, 3rd temperature detecting module includes the 3rd temp probe and the 3rd signal processing circuit.The utility model is simple in construction, it is ensured that cooling blower module continuous service, and realizes the scattered protection in cooling blower module for power supply loop, can eliminate influencing each other between cooling blower, improve cooling blower cooling effect.
Description
Technical field
The utility model belongs to exciting transformer cooling technology field, and in particular to a kind of exciting transformer cooling control dress
Put.
Background technology
Exciting transformer due to transport, install and the operation influence such as safeguard, defect that either transformer exists in itself or
Exciting transformer can be occurred exception, influence the safe operation of transformer, mesh by external environment influence, the temperature of exciting transformer
Before, ratio of the temperature anomaly in all kinds of failures is of a relatively high in exciting transformer, and the exception of exciting transformer temperature not only increases
The loss of magnetic force transformer is added, and has caused the waste of the energy, damaged exciting transformer built-in electrical insulation, influence exciting transformer
Normal work.In addition, if exciting transformer is run under temperature anomaly state for a long time, make the insulation in exciting transformer
Property gradually lose, temperature is higher, performance disappear it is faster, cause and burn out transformer, trigger major accident.At present, former cooling wind system
Each cooling blower is without independent power switch in system, when short circuit or earth fault occurs in a certain cooling blower, in temperature controller
Scaling loss situation occurs in relay or insurance, causes other normal cooling blowers not run, exciting transformer loses cooling
Wind, coil temperature will be raised drastically, ultimately result in excitation system tripping operation, unit is by forced-stopping machine.Therefore, a kind of knot is nowadays lacked
Simple, reasonable in design, the safe and reliable exciting transformer cooling controller of structure, is realized to exciting transformer three-phase coil temperature
Real-time detection, it is cooling blower module for power supply to set main power source module and standby power supply module, continues cooling blower
Operation, it is ensured that the cooling effect of exciting transformer, the scattered protection of cooling blower current supply circuit is realized by setting motor switch,
Influencing each other between cooling blower can be eliminated, cooling blower module reliability of operation is improved.
Utility model content
Technical problem to be solved in the utility model is that there is provided a kind of excitation for above-mentioned deficiency of the prior art
Transformer cooling control device, its is simple in construction, reasonable in design, safe and reliable, realizes to exciting transformer three-phase coil temperature
Real-time detection, it is cooling blower module for power supply to set main power source module and standby power supply module, it is ensured that cooling blower module is held
Reforwarding row, it is ensured that the cooling effect of exciting transformer, and the scattered protection in cooling blower module for power supply loop is realized, it can eliminate
Influencing each other between cooling blower, improves cooling blower module reliability of operation, practical, is easy to promote the use of.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of exciting transformer cooling control
Device, it is characterised in that：Including controller, temperature detecting module, cooling blower module and the electricity powered for the cooling blower
Source module, the temperature detecting module includes the first temperature detecting module, the use for being used to detect exciting transformer A phase coil temperature
In the second temperature detection module of detection exciting transformer B phase coil temperature and for detecting exciting transformer C phase coil temperature
The 3rd temperature detecting module, the cooling blower module include exciting transformer A phase coils are cooled first cool down
Blower fan module, the second cooling blower module cooled to exciting transformer B phase coils and exciting transformer C phase coils are entered
Row cooling the 3rd cooling blower module, first temperature detecting module include the first temp probe and with the first temp probe
The first signal processing circuit that output end connects, the second temperature detection module includes second temperature and popped one's head in and and second temperature
The secondary signal process circuit that connects of probe output end, the 3rd temperature detecting module includes the 3rd temp probe and with the 3rd
The 3rd signal processing circuit that temp probe output end connects, the first cooling blower module includes the first high-pressure side and cools down wind
Machine module and the first low-pressure side cooling blower module, the second cooling blower module include the second high-pressure side cooling blower module
With the second low-pressure side cooling blower module, the 3rd cooling blower module includes the 3rd high-pressure side cooling blower module and the 3rd
Low-pressure side cooling blower module；The first high-pressure side cooling blower module, the first low-pressure side cooling blower module, the second high pressure
Side cooling blower module, the second low-pressure side cooling blower module, the 3rd high-pressure side cooling blower module and the cooling of the 3rd low-pressure side
Blower fan module is powered by the power module；The input of the controller is terminated with voltage detection module, A/D conversion electricity
Road, clock circuit and key operation module, the output of the controller are terminated with display module, the first signal transacting electricity
Input of the output end on road, secondary signal process circuit and the 3rd signal processing circuit with A/D change-over circuits connects.
A kind of above-mentioned exciting transformer cooling controller, it is characterised in that：The first high-pressure side cooling blower mould
Block includes connect successively the first relay, first contactor and the first cooling blower, the first low-pressure side cooling blower module
Including second relay that connects successively, second contactor and the second cooling blower；The second high-pressure side cooling blower module bag
Include and connect successively the 3rd relay, the 3rd contactor and the 3rd cooling blower, the second low-pressure side cooling blower module includes
Connect the 4th relay, the 4th contactor and the 4th cooling blower successively；3rd high-pressure side cooling blower module include according to
Secondary connect the 5th relay, the 5th contactor and the 5th cooling blower, the 3rd low-pressure side cooling blower module are included successively
Connect the 6th relay, the 6th contactor and the 6th cooling blower, first cooling blower, the second cooling blower, the 3rd cold
But blower fan, the 4th cooling blower, the 5th cooling blower and the 6th cooling blower are powered by the power module, and described
One relay, the second relay, the 3rd relay, the 4th relay, the 5th relay and the 6th relay input with
The output end of controller connects.
A kind of above-mentioned exciting transformer cooling controller, it is characterised in that：The power module includes main power source mould
Block and standby power supply module, the output of the standby power supply module are terminated with the 7th relay for controlling the 7th contactor,
The input of 7th relay connects with the output end of controller, the output end of the main power source module and the 7th contactor
Pass through the first motor switch, the second motor switch, the 3rd motor switch, the 4th motor switch, the 5th motor switch and respectively
Six motor switch are contacted with first contactor, second contactor, the 3rd contactor, the 4th contactor, the 5th contactor and the 6th
Device connects.
A kind of above-mentioned exciting transformer cooling controller, it is characterised in that：First signal processing circuit, second
Signal processing circuit and the 3rd signal processing circuit include amplifier LM324.
A kind of above-mentioned exciting transformer cooling controller, it is characterised in that：The first contactor includes contactor
KM1, the second contactor includes contactor KM2, and the 3rd contactor includes contactor KM3, the 4th contactor bag
Contactor KM4 is included, the 5th contactor includes contactor KM5, and the 6th contactor includes contactor KM6, the described 7th
Relay include contactor KM7, the contactor KM1, the contactor KM2, the contactor KM3, the contactor KM4,
The contactor KM5, the contactor KM6 and the contactor KM7 are 380V A.C. contactor；
First motor switch includes motor switch S1, and second motor switch includes motor switch S2, and described the
Three motor switch include motor switch S3, and the 4th motor switch includes motor switch S4, and the 5th motor switch includes
Motor switch S5, the 6th motor switch includes motor switch S6；
First cooling blower includes blower fan M1, and second cooling blower includes blower fan M2, the 3rd cooling wind
Machine includes blower fan M3, and the 4th cooling blower includes blower fan M4, and the 5th cooling blower includes blower fan M5, and the described 6th is cold
But blower fan includes blower fan M6.
A kind of above-mentioned exciting transformer cooling controller, it is characterised in that：The three-phase of the standby power supply module is defeated
Go out end with contactor KM7 three-phase input end to connect, the three-phase output end of the contactor KM7 and the three-phase of main power source module are defeated
Go out the connection end at end respectively with the motor switch S1, the motor switch S2, the motor switch S3, the motor switch
S4, the motor switch S5 and the motor switch S6 input connect, the motor switch S1, the motor switch S2,
The motor switch S3, the motor switch S4, the motor switch S5 and the motor switch S6 output end respectively with institute
State contactor KM1, the contactor KM2, the contactor KM3, the contactor KM4, the contactor KM5 and the contact
Device KM6 input connects, the contactor KM1, the contactor KM2, the contactor KM3, the contactor KM4, institute
State contactor KM5 and contactor KM6 output end respectively with the blower fan M1, the blower fan M2, the blower fan M3, described
Blower fan M4, the blower fan M5 and the blower fan M6 power input connect.
The utility model has advantages below compared with prior art：
1st, the utility model is by the first temperature detecting module, second temperature detection module and the 3rd temperature detecting module,
Realize the reality to exciting transformer A phase coils temperature, exciting transformer B phase coils temperature and exciting transformer C phase coil temperature
When detect, when the temperature that the first temperature detecting module, second temperature detection module or the 3rd temperature detecting module are collected is more than
During the threshold value of setting, controller controls the first cooling blower module, the second cooling blower module or the 3rd cooling blower module to open
Beginning work, is that exciting transformer is cooled, and circuit is simple, complete function.
2nd, the utility model includes the first high-pressure side cooling blower module and first by setting the first cooling blower module
Low-pressure side cooling blower module, when the first high-pressure side cooling blower module can not meet cooling demand, controller control first
Low-pressure side cooling blower enters working condition, it is ensured that exciting transformer A phase coils can be cooled；Second cooling blower is set
Module includes the second high-pressure side cooling blower module and the second low-pressure side cooling blower module, when the second high-pressure side cooling blower mould
When block can not meet cooling demand, controller controls the second low-pressure side cooling blower module to enter working condition, it is ensured that can be to encouraging
Magnetic transformer B phase coils are cooled；Setting the 3rd cooling blower module includes the 3rd high-pressure side cooling blower module and the 3rd
Low-pressure side cooling blower module, when the 3rd high-pressure side cooling blower module can not meet cooling demand, controller control the 3rd
Low-pressure side cooling blower module enters working condition, it is ensured that exciting transformer C phase coils can be cooled, it is to avoid first is high
Pressure side cooling blower module, the second high-pressure side cooling blower module or the 3rd high-pressure side cooling blower module work independently, no
It can realize and exciting transformer is cooled.
3rd, the utility model be the first cooling blower module by setting main power source module and standby power supply module, it is second cold
But blower fan module and the 3rd cooling blower module for power supply, it is ensured that the first cooling blower module, the second cooling blower module and the 3rd
Cooling blower module continuous service, it is ensured that the cooling effect of exciting transformer, and realize the first cooling blower module, the second cooling
Blower fan module and the scattered protection in the 3rd cooling blower module for power supply loop, can eliminate the first cooling blower module, second cold
But influencing each other between blower fan module and the 3rd cooling blower module for power supply, improves cooling blower module reliability of operation.
In summary, the utility model is simple in construction, reasonable in design, safe and reliable, realizes to exciting transformer triple line
The real-time detection of temperature is enclosed, it is cooling blower module for power supply to set main power source module and standby power supply module, it is ensured that cooling blower
Module continuous service, it is ensured that the cooling effect of exciting transformer, and realize the scattered protection in cooling blower module for power supply loop, energy
Enough influencing each other between elimination cooling blower, improves cooling blower module reliability of operation, practical, is easy to popularization to make
With.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the utility model main power source module, standby power supply module, the 7th contactor, the first motor switch, the second horse
Connect up to switch, the 3rd motor switch, the 4th motor switch, the 5th motor switch, the 6th motor switch, first contactor, second
Tentaculum, the 3rd contactor, the 4th contactor, the 5th contactor, the 6th contactor, the first cooling blower, the second cooling blower,
Three cooling blowers, the 4th cooling blower, the circuit connecting relation schematic diagram of the 5th cooling blower and the 6th cooling blower.
Description of reference numerals:
1-controller；2-voltage detection module；3-the first temp probe；
4-the first signal processing circuit；5-second temperature is popped one's head in；6-secondary signal process circuit；
7-the three temp probe；8-the three signal processing circuit；9-A/D change-over circuits；
10-clock circuit；11-key operation module；12-display module；
13-standby power supply module；14-main power source module；15-the seven relay；
16-the seven contactor；The relays of 1-1-first；1-2-first contactor；
The cooling blowers of 1-3-first；The motor switch of 1-4-first；The relays of 2-1-second；
2-2-second contactor；The cooling blowers of 2-3-second；
The motor switch of 2-4-second；The relays of 3-1-the 3rd；The contactors of 3-2-the 3rd；
The cooling blowers of 3-3-the 3rd；The motor switch of 3-4-the 3rd；The relays of 4-1-the 4th；
The contactors of 4-2-the 4th；The cooling blowers of 4-3-the 4th；
The motor switch of 4-4-the 4th；The relays of 5-1-the 5th；The contactors of 5-2-the 5th；
The cooling blowers of 5-3-the 5th；The motor switch of 5-4-the 5th；The relays of 6-1-the 6th；
The contactors of 6-2-the 6th；The cooling blowers of 6-3-the 6th；The motor switch of 6-4-the 6th.
Embodiment
As shown in figure 1, the utility model includes controller 1, temperature detecting module, cooling blower module and is the cooling
The power module that blower fan is powered, the temperature detecting module includes being used for the first temperature for detecting exciting transformer A phase coil temperature
Spend detection module, the second temperature detection module for detecting exciting transformer B phase coil temperature and for detecting excitation transformation
3rd temperature detecting module of device C phase coil temperature, the cooling blower module includes dropping exciting transformer A phase coils
First cooling blower module of temperature, the second cooling blower module for being cooled to exciting transformer B phase coils and to excitation-transformation variable
The 3rd cooling blower module that depressor C phase coils are cooled, first temperature detecting module includes the He of the first temp probe 3
The first signal processing circuit 4 connected with the output end of the first temp probe 3, the second temperature detection module includes second temperature
Probe 5 and the secondary signal process circuit 6 connected with second temperature 5 output ends of probe, the 3rd temperature detecting module include
3rd temp probe 7 and the 3rd signal processing circuit 8 connected with the output end of the 3rd temp probe 7, first cooling blower
Module includes the first high-pressure side cooling blower module and the first low-pressure side cooling blower module, the second cooling blower module bag
The second high-pressure side cooling blower module and the second low-pressure side cooling blower module are included, the 3rd cooling blower module includes the 3rd
High-pressure side cooling blower module and the 3rd low-pressure side cooling blower module；It is the first high-pressure side cooling blower module, first low
Press side cooling blower module, the second high-pressure side cooling blower module, the second low-pressure side cooling blower module, the cooling of the 3rd high-pressure side
Blower fan module and the 3rd low-pressure side cooling blower module are powered by the power module；The input of the controller 1
It is connected to voltage detection module 2, A/D change-over circuits 9, clock circuit 10 and key operation module 11, the output end of the controller 1
Be connected to display module 12, first signal processing circuit 4, the signal processing circuit 8 of secondary signal process circuit 6 and the 3rd it is defeated
Go out input of the end with A/D change-over circuits 9 to connect.
In the present embodiment, the first high-pressure side cooling blower module connects including the first relay 1-1 that connects successively, first
Tentaculum 1-2 and the first cooling blower 1-3, the first low-pressure side cooling blower module include connect successively the second relay 2-1,
Second contactor 2-2 and the second cooling blower 2-3；The second high-pressure side cooling blower module includes the 3rd relay that connects successively
Device 3-1, the 3rd contactor 3-2 and the 3rd cooling blower 3-3, the second low-pressure side cooling blower module include connecting successively the
Four relay 4-1, the 4th contactor 4-2 and the 4th cooling blower 4-3；3rd high-pressure side cooling blower module is included successively
Connect the 5th relay 5-1, the 5th contactor 5-2 and the 5th cooling blower 5-3, the 3rd low-pressure side cooling blower module bag
Include and connect successively the 6th relay 6-1, the 6th contactor 6-2 and the 6th cooling blower 6-3, the first cooling blower 1-3,
Two cooling blower 2-3, the 3rd cooling blower 3-3, the 4th cooling blower 4-3, the 5th cooling blower 5-3 and the 6th cooling blower 6-
3 are powered by the power module, the first relay 1-1, the second relay 2-1, the 3rd relay 3-1, the 4th
Output end of relay 4-1, the 5th relay 5-1 and the 6th relay the 6-1 input with controller 1 connects.
In the present embodiment, the power module includes main power source module 14 and standby power supply module 13, the stand-by power supply
The output of module 13 is terminated with the 7th relay 15 for controlling the 7th contactor 16, the input of the 7th relay 15
Connect with the output end of controller 1, the output end of the contactor 16 of main power source module 14 and the 7th passes through the first motor respectively
Switch 1-4, the second motor switch 2-4, the 3rd motor switch 3-4, the 4th motor switch 4-4, the 5th motor switch 5-4 and the 6th
Motor switch 6-4 is contacted with first contactor 1-2, second contactor 2-2, the 3rd contactor 3-2, the 4th contactor 4-2, the 5th
Device 5-2 and the 6th contactor 6-2 connect.
In the present embodiment, first signal processing circuit 4, the signal processing circuit 8 of secondary signal process circuit 6 and the 3rd
Include amplifier LM324.
As shown in Fig. 2 in the present embodiment, the first contactor 1-2 includes contactor KM1, the second contactor 2-2
Including contactor KM2, the 3rd contactor 3-2 includes contactor KM3, and the 4th contactor 4-2 includes contactor KM4,
The 5th contactor 5-2 includes contactor KM5, and the 6th contactor 6-2 includes contactor KM6, the 7th relay
15 include contactor KM7, the contactor KM1, it is the contactor KM2, the contactor KM3, the contactor KM4, described
Contactor KM5, the contactor KM6 and the contactor KM7 are 380V A.C. contactor；
The first motor switch 1-4, which includes motor switch S1, the second motor switch 2-4, includes motor switch S2,
The 3rd motor switch 3-4 includes motor switch S3, and the 4th motor switch 4-4 includes motor switch S4, the described 5th
Motor switch 5-4, which includes motor switch S5, the 6th motor switch 6-4, includes motor switch S6；
The first cooling blower 1-3, which includes blower fan M1, the second cooling blower 2-3, includes blower fan M2, the described 3rd
Cooling blower 3-3, which includes blower fan M3, the 4th cooling blower 4-3, includes blower fan M4, and the 5th cooling blower 5-3 includes wind
Machine M5, the 6th cooling blower 6-3 include blower fan M6.
As shown in Fig. 2 in the present embodiment, the three-phase output end of the standby power supply module 13 and contactor KM7 three-phase
Input connects, the connection end of the three-phase output end of the contactor KM7 and the three-phase output end of main power source module 14 respectively with
The motor switch S1, the motor switch S2, the motor switch S3, the motor switch S4, the motor switch S5 and
The input of the motor switch S6 connects, the motor switch S1, the motor switch S2, the motor switch S3, described
Motor switch S4, the motor switch S5 and the motor switch S6 output end respectively with the contactor KM1, described contact
Device KM2, the contactor KM3, the contactor KM4, the contactor KM5 and the contactor KM6 input connect, institute
State contactor KM1, the contactor KM2, the contactor KM3, the contactor KM4, the contactor KM5 and the contact
Device KM6 output end respectively with the blower fan M1, the blower fan M2, the blower fan M3, the blower fan M4, the blower fan M5 and institute
The power input for stating blower fan M6 connects.
In actual use, it is in series with the standby power supply module 13 and the current supply circuit of main power source module 14 disconnected
Road device, is protected to standby power supply module 13 and main power source module 14.
The utility model by key operation module 11 in use, set the A phase operating temperature thresholds that exciting transformer is cooled down
Value, B phases operating temperature threshold, C phases operating temperature threshold and voltage threshold, the first temp probe 3 is to exciting transformer A phase coils
Temperature signal is detected in real time, and the A phase temperature signals detected are transmitted to the first signal processing circuit 4, by first
Sent after the processing such as amplification of signal processing circuit 4 to A/D change-over circuits 9, A/D change-over circuits 9 are converted to A phase temperature signals
The A phases temperature value of data signal is simultaneously sent to controller 1, and second temperature 5 pairs of exciting transformer B phase coil temperature signals of probe enter
Row detection, and the B phase temperature signals detected are transmitted to secondary signal process circuit 6 in real time, electricity is handled by secondary signal
Sent after the processing such as the amplification on road 6 to A/D change-over circuits 9, B phase temperature signals are converted to data signal by A/D change-over circuits 9
B phases temperature value is simultaneously sent to controller 1, and the 3rd temp probe 7 is examined in real time to exciting transformer C phase coils temperature signal
Survey, and the C phase temperature signals detected are transmitted to the 3rd signal processing circuit 8, by the amplification of the 3rd signal processing circuit 8
Deng processing after send to A/D change-over circuits 9, A/D change-over circuits 9 are converted to C phase temperature signals the C phase temperature values of data signal
And send to controller 1, controller 1 is by the A phases temperature value received, the A of B phases temperature value and C phases temperature value respectively with setting
Phase operating temperature threshold, B phases operating temperature threshold and C phase operating temperature thresholds are compared, when the first temp probe 3 is detected
A phase temperature values do not meet A phases operating temperature threshold, the B phase temperature values that detect of second temperature probe 5 and do not meet B phases and work
When the C phase temperature values that temperature threshold or the 3rd temp probe 7 are detected do not meet C phase operating temperature thresholds, the controller of controller 1
First relay 1-1, the 3rd relay 3-1 or the 5th relay 5-1 start working, and make first contactor 1-2, the 3rd contactor
3-2 or the 5th contactor 5-2 normally opened contact closure, cool down the first cooling blower 1-3, the 3rd cooling blower 3-3 or the 5th
In the current supply circuit of blower fan 5-3 access main power source modules 14, the first cooling blower 1-3, the 3rd cooling blower 3-3 or the 5th cooling
Blower fan 5-3 starts working, and is that exciting transformer high-pressure side carries out radiating and cooling；When the first cooling blower 1-3, the 3rd cooling blower
When 3-3 or the 5th cooling blower 5-3 can not meet cooling demand, the second relay of the controller 2-1 of controller 1, the 4th relay
4-1 or the 6th relay 6-1 start working, and make that second contactor 2-2, the 4th contactor 4-2 or the 6th contactor 6-2's is normally opened
Second cooling blower 2-3, the 4th cooling blower 4-3 or the 6th cooling blower 6-3, are accessed main power source module 14 by the closing of contact
In current supply circuit, the second cooling blower 2-3, the 4th cooling blower 4-3 or the 6th cooling blower 6-3 work, it is ensured that can be in time
The low-pressure side of exciting transformer A phase coils, exciting transformer B phase coils or exciting transformer C phase coils is cooled, it is ensured that cold
But blower fan module continuous service, it is ensured that the cooling effect of exciting transformer；Voltage detection module 2 detects main power source module 14 in real time
Voltage, and the voltage detected is sent to controller 1, controller 1 enters the voltage threshold of the voltage received and setting
Row compares, and when the voltage that voltage detection module 2 is detected does not meet the voltage threshold of setting, controller 1 passes through the 7th relay
15 the 7th contactors 16 of control are worked, and standby power supply module 13 is accessed into the first cooling blower module, second cooling
In the current supply circuit of blower fan module or the 3rd cooling blower module, it is ensured that the first cooling blower module, described second
Cooling blower module and the 3rd cooling blower module normally work on, in the first cooling blower 1-3, the 3rd cooling blower
3-3, the 5th cooling blower 5-3, the second cooling blower 2-3, the 4th cooling blower 4-3 or the mistake of the 6th cooling blower 6-3 work
Cheng Zhong, the motor switch S1, the motor switch S2, the motor switch S3, institute can be passed through by occurring the failures such as overheat, excessively stream
State motor switch S4, the motor switch S5 or described motor switch S6 and disconnect the first cooling blower 1-3, the 3rd cooling blower 3-
3rd, the 5th cooling blower 5-3, the second cooling blower 2-3, the 4th cooling blower 4-3 or the 6th cooling blower 6-3 current supply circuit,
The normal work of other cooling blowers is not influenceed, is realized the scattered protection in the cooling blower module for power supply loop, can be eliminated
Influencing each other between cooling blower, improves cooling blower module reliability of operation, practical.
The above, is only preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a kind of exciting transformer cooling controller, it is characterised in that：Including controller (1), temperature detecting module, cooling wind
Machine module and the power module powered for the cooling blower, the temperature detecting module include being used to detect exciting transformer A
First temperature detecting module of phase coil temperature, the second temperature detection module for detecting exciting transformer B phase coil temperature
With the 3rd temperature detecting module for detecting exciting transformer C phase coil temperature, the cooling blower module is included to excitation
The first cooling blower module that transformer A phase coils are cooled, second cooled to exciting transformer B phase coils cooling
Blower fan module and the 3rd cooling blower module cooled to exciting transformer C phase coils, first temperature detecting module
The first signal processing circuit (4) connected including the first temp probe (3) and with the first temp probe (3) output end, described
Two temperature detecting modules include second temperature and pop one's head in (5) and handled with the secondary signal that second temperature probe (5) output end connects
Circuit (6), the 3rd temperature detecting module includes the 3rd temp probe (7) and connected with the 3rd temp probe (7) output end
The 3rd signal processing circuit (8), the first cooling blower module includes the first high-pressure side cooling blower module and first low
Side cooling blower module is pressed, the second cooling blower module includes the second high-pressure side cooling blower module and the second low-pressure side is cold
But blower fan module, the 3rd cooling blower module includes the 3rd high-pressure side cooling blower module and the 3rd low-pressure side cooling blower
Module；The first high-pressure side cooling blower module, the first low-pressure side cooling blower module, the second high-pressure side cooling blower mould
Block, the second low-pressure side cooling blower module, the 3rd high-pressure side cooling blower module and the 3rd low-pressure side cooling blower module by
The power module is powered；The input of the controller (1) be terminated with voltage detection module (2), A/D change-over circuits (9),
Clock circuit (10) and key operation module (11), the output of the controller (1) are terminated with display module (12), described first
The output end of signal processing circuit (4), secondary signal process circuit (6) and the 3rd signal processing circuit (8) changes electricity with A/D
The input on road (9) connects.
2. according to a kind of exciting transformer cooling controller described in claim 1, it is characterised in that：First high-pressure side
Cooling blower module includes connect successively the first relay (1-1), first contactor (1-2) and the first cooling blower (1-3), institute
Stating the first low-pressure side cooling blower module includes connect successively the second relay (2-1), second contactor (2-2) and the second cooling
Blower fan (2-3)；The second high-pressure side cooling blower module includes connect successively the 3rd relay (3-1), the 3rd contactor (3-
2) and the 3rd cooling blower (3-3), the second low-pressure side cooling blower module include connecting successively the 4th relay (4-1),
4th contactor (4-2) and the 4th cooling blower (4-3)；3rd high-pressure side cooling blower module includes connecting the 5th successively
Relay (5-1), the 5th contactor (5-2) and the 5th cooling blower (5-3), the 3rd low-pressure side cooling blower module include
Connect the 6th relay (6-1), the 6th contactor (6-2) and the 6th cooling blower (6-3) successively, first cooling blower
(1-3), the second cooling blower (2-3), the 3rd cooling blower (3-3), the 4th cooling blower (4-3), the 5th cooling blower (5-3)
It is powered with the 6th cooling blower (6-3) by the power module, first relay (1-1), the second relay (2-
1), the input of the 3rd relay (3-1), the 4th relay (4-1), the 5th relay (5-1) and the 6th relay (6-1) is equal
Connect with the output end of controller (1).
3. according to a kind of exciting transformer cooling controller described in claim 2, it is characterised in that：The power module bag
Include main power source module (14) and standby power supply module (13), the output of the standby power supply module (13) is terminated with being used for controlling the
7th relay (15) of seven contactors (16), the output end phase of the input and controller (1) of the 7th relay (15)
Connect, the output end of the main power source module (14) and the 7th contactor (16) passes through the first motor switch (1-4), the second horse respectively
Opened up to switch (2-4), the 3rd motor switch (3-4), the 4th motor switch (4-4), the 5th motor switch (5-4) and the 6th motor
Close (6-4) and first contactor (1-2), second contactor (2-2), the 3rd contactor (3-2), the 4th contactor (4-2), the 5th
Contactor (5-2) and the 6th contactor (6-2) connect.
4. according to a kind of exciting transformer cooling controller described in claim 1 or 2, it is characterised in that：First letter
Number process circuit (4), secondary signal process circuit (6) and the 3rd signal processing circuit (8) include amplifier LM324.
5. according to a kind of exciting transformer cooling controller described in claim 3, it is characterised in that：The first contactor
(1-2) includes contactor KM1, and the second contactor (2-2) includes contactor KM2, and the 3rd contactor (3-2) includes connecing
Tentaculum KM3, the 4th contactor (4-2) includes contactor KM4, and the 5th contactor (5-2) includes contactor KM5, institute
The 6th contactor (6-2) is stated including contactor KM6, the 7th relay (15) includes contactor KM7, the contactor KM1,
The contactor KM2, the contactor KM3, the contactor KM4, the contactor KM5, the contactor KM6 and described connect
Tentaculum KM7 is 380V A.C. contactor；
First motor switch (1-4) includes motor switch S1, and second motor switch (2-4) includes motor switch S2,
3rd motor switch (3-4) includes motor switch S3, and the 4th motor switch (4-4) includes motor switch S4, described
5th motor switch (5-4) includes motor switch S5, and the 6th motor switch (6-4) includes motor switch S6；
First cooling blower (1-3) includes blower fan M1, and second cooling blower (2-3) includes blower fan M2, the described 3rd
Cooling blower (3-3) includes blower fan M3, and the 4th cooling blower (4-3) includes blower fan M4, the 5th cooling blower (5-3)
Including blower fan M5, the 6th cooling blower (6-3) includes blower fan M6.
6. according to a kind of exciting transformer cooling controller described in claim 5, it is characterised in that：The stand-by power supply mould
The three-phase output end of block (13) connects with contactor KM7 three-phase input end, the three-phase output end and main electricity of the contactor KM7
Opened respectively with the motor switch S1, the motor switch S2, the motor connection end of the three-phase output end of source module (14)
The input for closing S3, the motor switch S4, the motor switch S5 and the motor switch S6 connects, the motor switch
S1, the motor switch S2, the motor switch S3, the motor switch S4, the motor switch S5 and the motor switch
S6 output end respectively with the contactor KM1, the contactor KM2, the contactor KM3, the contactor KM4, described
Contactor KM5 and the contactor KM6 input connect, the contactor KM1, the contactor KM2, the contactor
KM3, the contactor KM4, the contactor KM5 and the contactor KM6 output end respectively with the blower fan M1, the wind
Machine M2, the blower fan M3, the blower fan M4, the blower fan M5 and the blower fan M6 power input connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379743.5U CN206322041U (en) | 2016-12-15 | 2016-12-15 | A kind of exciting transformer cooling controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621379743.5U CN206322041U (en) | 2016-12-15 | 2016-12-15 | A kind of exciting transformer cooling controller |
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| Publication Number | Publication Date |
|---|---|
| CN206322041U true CN206322041U (en) | 2017-07-11 |
Family
ID=59267793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621379743.5U Active CN206322041U (en) | 2016-12-15 | 2016-12-15 | A kind of exciting transformer cooling controller |
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| Country | Link |
|---|---|
| CN (1) | CN206322041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967727A (en) * | 2019-04-28 | 2019-07-05 | 安徽合力股份有限公司合肥铸锻厂 | A kind of high temperature casting atomization air cooling system |
| 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 |
-
2016
- 2016-12-15 CN CN201621379743.5U patent/CN206322041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967727A (en) * | 2019-04-28 | 2019-07-05 | 安徽合力股份有限公司合肥铸锻厂 | A kind of high temperature casting atomization air cooling system |
| 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 |
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