CN209343908U - A kind of transformer with temperature control system - Google Patents
A kind of transformer with temperature control system Download PDFInfo
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- CN209343908U CN209343908U CN201821972768.5U CN201821972768U CN209343908U CN 209343908 U CN209343908 U CN 209343908U CN 201821972768 U CN201821972768 U CN 201821972768U CN 209343908 U CN209343908 U CN 209343908U
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- temperature control
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Abstract
The utility model relates to transformer temperature control fields, more specifically, it is related to a kind of transformer with temperature control system, aiming to solve the problem that transformer temperature is excessively high leads to the problem of may damaging, its key points of the technical solution are that: a kind of transformer with temperature control system, including transformation case, the fuel tank being wrapped in outside transformation case, the heat dissipation tank being connected to fuel tank, the force (forcing) pump being connected between fuel tank and heat dissipation tank, the temperature sensor for being connected to transformation case and detecting transformation box temperature degree, the control circuit opened and closed according to the reading control force (forcing) pump of temperature sensor.The utility model passes through the design of fuel tank, control circuit, enables the temperature of transformer by the sufficient water-cooled cooling of oil liquid.
Description
Technical field
The utility model relates to transformer temperature control field, more specifically, it relates to a kind of with temperature control system
Transformer.
Background technique
With the development of life, demand of the people to electric power is also higher and higher, fortune of the powerful transformer in power station
With also more frequent, transformer is the device for changing alternating voltage using the principle of electromagnetic induction, in the electric power of long range
High voltage will cause lower energy loss in dispatching, this will virtually save the energy and reduce electric power
The cost of dispatching, so all long range power stations are each equipped with transformer.
Iron core inside transformer and winding are main heater, generated heat, in addition to increase its own temperature with
Outside, ambient air medium temperature can also be made to increase.It can make insulating materials when winding temperature is more than the heat-resistant limit of insulating materials
It is damaged, this even if subsequent repaired, can be also reduced one of the main reason for leading to transformer cisco unity malfunction
The service life of transformer,
Application No. is: a kind of new dry-type transformer cools disclosed in the Chinese patent of CN201720433074.3
Structure is characterized in that: be fixedly connected with noise reduction box on pedestal, the intracavity bottom of noise reduction box is equipped with support base, support base it is upper
End is fixed with sealing room, and the inside for sealing room is equipped with dry-type transformer, and the two sides of noise reduction box are symmetrically arranged with inlet tank and water tank,
It is inserted with condenser pipe in inlet tank, water inlet pipe is equipped in inlet tank, outlet pipe is equipped in water tank, seals disk on the inner wall of room and set
There is cooling pipe, sealing interior is communicated with wind conveying pipe and air-exhausting duct, and wind conveying pipe is exposed to be equipped with wind on the one end in the outside of noise reduction box
Machine, air-exhausting duct are equipped with exhaust fan and exhaust fan.
The program sets existing to reduce transformer for temperature drop pipe, in/out air tube and exhaust fan by the inner disk in sealing room
Indoor temperature is sealed, while the utility model provides the new technical solution of one kind to solve the above problems.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of with temperature control system
Transformer enables the temperature of transformer by the sufficient water-cooled cooling of oil liquid by fuel tank, the design of control circuit.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of with temperature control
The transformer of system, including transformation case, the fuel tank being wrapped in outside transformation case, the heat dissipation tank being connected to fuel tank, be connected to fuel tank with
Force (forcing) pump between heat dissipation tank, the temperature sensor for being connected to transformation case and detecting transformation box temperature degree, according to temperature sensor
The control circuit of reading control force (forcing) pump opening and closing.
Transformer oil is stored in fuel tank, for being insulated, being cooled down to becoming case, cooling effect in order to further increase,
It is communicated with heat dissipation tank at fuel tank both ends, to increase total oil mass, increasing heat radiation area, reaches further cooling effect；
The temperature of real-time detection transformer simultaneously starts force (forcing) pump, so that in fuel tank when temperature is higher in transformer
Oil liquid starts the cycle over, to accelerate cooling velocity.
The utility model is further arranged to: the heat dissipation tank outer surface is equipped with fin, and the top of oil-tank is communicated with oil
Pillow.
Fin is used to increase the heat dissipation effect of heat dissipation tank；
Meanwhile when transformer temperature is excessively high, oil temperature is increased, oil expansion in fuel tank, and at this moment excessive oil will be to enterprising
Enter conservator；
When otherwise temperature reduces, the oil in conservator can flow back to fuel tank again, not only act as the effect of adjust automatically pasta, and
It while adjusting pasta, impregnates transformer by transformer oil always, does not interfere with the use of transformer.
The utility model is further arranged to: the fuel tank is externally provided with alarm signal transmitter, the control circuit control
The opening and closing of alarm signal transmitter.
After temperature pressurizes pump startup, if temperature continues to rise, illustrates the problems such as fuel tank is likely to occur oil liquid leakage, need
It wants staff to check transformation case, emits alarm signal at this time, enable the staff in a distant place to learn message, often
The alarm signal of a transformer is different, by the setting of alarm signal transmitter, so that staff need not be in turn to change
Pressure case is checked.
The utility model is further arranged to: the control circuit includes:
Detection circuit is coupled to the inductive signal of temperature sensor and issues detection signal；
Comparison circuit is coupled to the output end of detection circuit to receive detection signal and export comparison signal；
Execution circuit, be coupled to comparison circuit and according to comparison signal control force (forcing) pump whether it is electric.
By using above-mentioned technical proposal, when so that temperature gradually rising, can be obtained according to the trend of variation different
Processing method improves temperature controlled intelligence.
The utility model is further arranged to: the comparison circuit, including,
First comparing section is coupled to detection circuit to receive detection signal, and will test signal and the progress of the first preset value
After export first control signal；
Second comparing section is coupled to detection circuit to receive detection signal, and will test signal and the progress of the second preset value
After export second control signal
First preset value is that transformation box temperature degree is higher, signal when needing to cool down；
Second preset value is that transformation case constant temperature rises, and signal when cooling failure, comparison circuit is by temperature sensor
Inductive signal compared with the first preset value, the second preset value, to carry out different execution work.
The utility model is further arranged to: the execution circuit includes,
First temperature control portion is coupled to the first comparing section to receive first control signal, when the inductive signal of temperature sensor
When higher than the first preset value, the first temperature control portion makes force (forcing) pump obtain electric and is kept as electricity condition；
Second temperature control portion is coupled to the second comparing section to receive second control signal, when the inductive signal of temperature sensor
After the second preset value, the second temperature control portion powers off the first temperature control portion and alarm signal transmitter is made to be kept as electricity condition.
By using above-mentioned technical proposal, when the inductive signal of temperature sensor is higher than the first preset value, force (forcing) pump is opened
Beginning work；
After the inductive signal of temperature sensor is higher than the second preset value, the work starting alarm signal transmitting of the second temperature control portion
Device, while possible oil liquid leakage causes oil liquid very few at this time, the starting pneumatics of force (forcing) pump starts not only to no effect, it is also possible to make to add
Press pump damage, therefore force (forcing) pump is made to stop working.
The utility model is further arranged to: first temperature control portion includes:
5th resistance, one end are coupled to the first comparing section；
First triode, emitter ground connection, base stage are coupled to the other end of the 5th resistance；
6th resistance, one end are coupled to the tie point of the 5th resistance and the first transistor base, and the other end is coupled to first
The tie point of triode and ground；
9th resistance, one end are coupled to direct current, and the other end is coupled to the collector of the first triode；
First relay, including coil, the first normally opened contact switch, coil one end are coupled to the 9th resistance and direct current
Tie point, the other end of coil are coupled to the tie point of the 9th resistance and the first triode, the first normally opened contact switch and pressurization
Pump coupling.
By using above-mentioned technical proposal, the first relay is connected first control signal, to make the first normally opened contact
It closes the switch, so that force (forcing) pump obtains electric, works.
The utility model is further arranged to: second temperature control portion includes,
7th resistance is coupled to the second comparing section；
Second triode, base stage are coupled to the 7th resistance, emitter ground connection；
8th resistance, one end are coupled to the tie point of the 7th resistance and the second transistor base, and the other end is coupled to second
The tie point of triode and ground；
Second relay, including the first normally-closed contact switch, the second normally opened contact switch, coil, one end coupling of coil
In direct current, the other end of coil is coupled to the collector of the second triode, and the second normally opened contact switch and force (forcing) pump couple.
By using above-mentioned technical proposal, the second triode ON is made the second relay by the second control signal of output
First normally-closed contact of work, the second relay disconnects, and the first temperature control portion is made not restart force (forcing) pump work, while making the second temperature
Control portion controls the starting of alarm signal transmitter.
In conclusion the utility model has the following beneficial effects:
First, passing through the design of fuel tank, control circuit, the temperature of transformer is dropped by the sufficient water cooling of oil liquid
Temperature；
Second, further increasing the radiating rate of oil liquid in fuel tank by the design of heat dissipation tank.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment one；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the sectional view along A-A of Fig. 2；
Fig. 4 is the circuit diagram of control circuit.
In figure: 1, transformation case；2, fuel tank；21, communicating pipe；22, supporting table；3, heat dissipation tank；4, force (forcing) pump；5, temperature sensing
Device；6, fin；7, conservator；8, alarm signal transmitter；1000, control circuit；100, detection circuit；200, comparison circuit；
201, the first comparing section；202, the second comparing section；300, execution circuit；301, the first temperature control portion；302, the second temperature control portion；R1,
First resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5, the 5th resistance；R6, the 6th resistance；R7, the 7th
Resistance；R8, the 8th resistance；R9, the 9th resistance；A, first comparator；B, the second comparator；Q1, the first triode；Q2, second
Triode；KM2, the second relay；KM1, the first relay；KM2-1, the second normally opened contact switch；KM2-2, the first normally closed touching
Point switch；KM1-1, the first normally opened contact switch.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment one: a kind of transformer with temperature control system, as shown in Figure 1, Figure 3, including being connected to ground
Supporting table 22 is connected to transformation case 1 in supporting table 22, is wrapped in transformation case 1 is outer and pushes against with supporting table 22 fuel tank 2 and oil
The heat dissipation tank 3 of 2 side wall of case connection, the conservator 7 for being connected to the top of fuel tank 2, wherein heat dissipation tank 3, conservator 7 all by communicating pipe 21 with
Fuel tank 2 is connected to, and heat dissipation tank 3 is respectively provided with one in 2 two sides of fuel tank.
Transformer oil is filled in fuel tank 2, heat dissipation tank 3, the liquid level of transformer oil is higher than transformer, and some transformers
Oil level, in order to make transformer oil cooling faster, is provided with fin 6 in 3 peripheral wall of heat dissipation tank in conservator 7.
As shown in Fig. 2, in order to accelerate the flowing velocity of transformer oil to accelerate the cooling velocity of transformer oil, fuel tank 2,
Force (forcing) pump 4 is equipped at the communicating pipe 21 of heat dissipation tank 3.Each heat dissipation tank 3 with fuel tank 2 by being connected to two communicating pipe 21, two connections
Pipe 21 is located at 3 top of heat dissipation tank, bottom, corresponds force (forcing) pump 4 and communicating pipe 21.
As shown in Figure 3, Figure 4, control circuit 1000 includes the detection electricity for being coupled to temperature sensor 5 and exporting detection signal
Road 100, the comparison circuit 200 for being coupled to detection circuit 100, the execution circuit 300 for being coupled to comparison circuit 200.
Comparison circuit 200 includes the first comparing section 201, the second comparing section 202.
First comparing section 201 includes first resistor R1, second resistance R2, first comparator A, the coupling of the one end first resistor R1
In direct current, the first resistor R1 other end is coupled to the one end second resistance R2, second resistance R2 other end ground connection, first comparator
A positive terminal is coupled to the tie point of first resistor R1 and second resistance R2 to receive the first preset value, and the first preset value is transformation
1 temperature of case is higher, signal when needing to cool down；First comparator A positive terminal is coupled to temperature sensor 5 to receive detection letter
Number.
Second comparing section 202 includes 3rd resistor R3, the 4th resistance R4, the second comparator B, the coupling of the one end 3rd resistor R3
In direct current, the 3rd resistor R3 other end is coupled to the 4th one end resistance R4, the 4th resistance R4 other end ground connection, the second comparator
B reverse side is coupled to the tie point of 3rd resistor R3 and the 4th resistance R4 to receive the second preset value, and the second preset value is transformation
1 constant temperature of case rises, signal when cooling is failed；Second comparator B positive terminal is coupled to temperature sensor 5 to receive detection
Signal.
Execution circuit 300 includes the first temperature control portion 301, the second temperature control portion 302, alarm signal transmitter.
First temperature control portion 301 include the 5th resistance R5, the 6th resistance R6, the first triode Q1, the 9th resistance R9, first after
Electric appliance KM1, one end of the 5th resistance R5 are coupled to first comparator A output end, and the other end of the 5th resistance R5 is coupled to first
Triode Q1 base stage；The collector of first triode Q1 is coupled to the second relay KM2, and the emitter of the first triode Q1 connects
Ground.
6th one end resistance R6 is coupled to the tie point of the 5th resistance R5 and the first triode Q1 base stage, and the 6th resistance R6 is another
One end is coupled to the tie point of the first triode Q1 and ground.
9th resistance R9, one end are coupled to direct current, and the other end is coupled to the collector of the first triode Q1.
First relay KM1, including coil, the first normally opened contact switch KM1-1, coil one end is coupled to the 9th resistance R9
With the tie point of direct current, the other end of coil is coupled to the tie point of the 9th resistance R9 and the first triode Q1, and first is normally opened
Contact switch KM1-1 and alarm signal transmitter 8 couple.
Second temperature control portion 302 includes the 7th resistance R7, the 8th resistance R8, the second triode Q2, the second relay KM2, continues
Diode is flowed, the 7th one end resistance R7 is coupled to one end and is coupled to the second comparator B output end, the coupling of the 7th resistance R7 other end
In the second triode Q2 base stage；The collector of second triode Q2 is coupled to the second relay KM2, the transmitting of the second triode Q2
Pole ground connection.
8th one end resistance R8 is coupled to the tie point of the 7th resistance R7 and the second triode Q2 base stage, and the other end is coupled to
The tie point of second triode Q2 and ground；Second relay KM2 is coupled to direct current, and the second relay KM2 includes being coupled to report
Second normally opened contact switch KM2-1, the second normally opened contact switch KM2-1 of alert signal projector 8 is connected to ground；Second relay
KM2 further includes the first normally-closed contact switch KM2-2, the first normally-closed contact switch KM2-2 that one end is coupled to 4 tie point of force (forcing) pump
The other end be coupled to the first normally opened contact switch KM1-1.Freewheeling diode one end is coupled to the second relay KM2 and the two or three
The tie point of pole pipe Q2 collector, the freewheeling diode other end are coupled to the tie point of the second relay KM2 and ground.
The course of work: when 1 temperature of transformation case increases, by the signal processing to temperature sensor 5, in the first comparing section
201 transmitting first control signals, the first normally opened contact switch KM1-1 is closed by the first relay KM1, to make direct current, the
One normally opened contact switch KM1-1, force (forcing) pump 4, the first normally-closed contact switch KM2-2 are electrically connected, and are finally grounded, so that 4 work of force (forcing) pump
Make；
When temperature further increases, the second comparing section 202 emits second control signal, so that the second relay KM2 is opened
Dynamic, so that the second normally opened contact switch KM2-1 be made to open, force (forcing) pump 4 is no longer started by the first temperature control portion 301, but is directly closed
It closes, to avoid dallying, while starting alarm signal transmitter 8, send alarm, staff is made to come to repair.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of transformer with temperature control system, it is characterised in that: including transformation case (1), be wrapped in transformation case (1) outside
Fuel tank (2), be connected to fuel tank (2) heat dissipation tank (3), be connected between fuel tank (2) and heat dissipation tank (3) force (forcing) pump (4), even
It is connected to transformation case (1) and detects the temperature sensor (5) of transformation case (1) temperature, added according to the control of the reading of temperature sensor (5)
The control circuit (1000) of press pump (4) opening and closing；Heat dissipation tank (3) outer surface is equipped with fin (6), connects at the top of the fuel tank (2)
It is connected with conservator (7).
2. a kind of transformer with temperature control system according to claim 1, it is characterised in that: the fuel tank (2)
It is externally provided with alarm signal transmitter (8), the opening and closing of control circuit (1000) control alarm signal transmitter (8).
3. a kind of transformer with temperature control system according to claim 2, it is characterised in that: the control circuit
(1000) include:
Detection circuit (100) is coupled to the inductive signal of temperature sensor (5) and issues detection signal；
Comparison circuit (200) is coupled to the output end of detection circuit (100) to receive detection signal and export comparison signal；
Execution circuit (300), be coupled to comparison circuit (200) and according to comparison signal control force (forcing) pump (4) whether it is electric.
4. a kind of transformer with temperature control system according to claim 3, it is characterised in that: the comparison circuit
(200), including,
First comparing section (201) is coupled to detection circuit (100) to receive detection signal, and will test signal and first and preset
Value exports first control signal after being compared；
Second comparing section (202) is coupled to detection circuit (100) to receive detection signal, and will test signal and second and preset
Value exports second control signal after being compared.
5. a kind of transformer with temperature control system according to claim 3, it is characterised in that: the execution circuit
(300) include,
First temperature control portion (301) is coupled to the first comparing section (201) to receive first control signal, when temperature sensor (5)
When inductive signal is higher than the first preset value, the first temperature control portion (301) makes force (forcing) pump (4) to obtain electric and is kept as electricity condition；
Second temperature control portion (302) is coupled to the second comparing section (202) to receive second control signal, when temperature sensor (5)
After inductive signal is higher than the second preset value, the second temperature control portion (302) powers off the first temperature control portion (301) and emits alarm signal
Device (8) is kept as electricity condition.
6. a kind of transformer with temperature control system according to claim 5, it is characterised in that: first temperature control
Portion (301) includes:
5th resistance R5, one end are coupled to the first comparing section (201)；
First triode Q1, emitter ground connection, base stage are coupled to the other end of the 5th resistance R5；
6th resistance R6, one end are coupled to the tie point of the 5th resistance R5 and the first triode Q1 base stage, and the other end is coupled to
The tie point of one triode Q1 and ground；
9th resistance R9, one end are coupled to direct current, and the other end is coupled to the collector of the first triode Q1；
First relay KM1, including coil, the first normally opened contact switch KM1-1, coil one end are coupled to the 9th resistance R9 and straight
The tie point of galvanic electricity, the other end of coil are coupled to the tie point of the 9th resistance R9 and the first triode Q1, the first normally opened contact
Switch KM1-1 and force (forcing) pump (4) couple.
7. a kind of transformer with temperature control system according to claim 5, it is characterised in that: second temperature control
Portion (302) includes,
7th resistance R7 is coupled to the second comparing section 202；
Second triode Q2, base stage are coupled to the 7th resistance R7, emitter ground connection；
8th resistance R8, one end are coupled to the tie point of the 7th resistance R7 and the second triode Q2 base stage, and the other end is coupled to
The tie point of two triode Q2 and ground；
Second relay KM2, including the second normally opened contact switch KM2-1, coil, the first normally-closed contact switch KM2-2, coil
One end is coupled to direct current, and the other end of coil is coupled to the collector of the second triode Q2, the second normally opened contact switch KM2-1
It is coupled with force (forcing) pump (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972768.5U CN209343908U (en) | 2018-11-27 | 2018-11-27 | A kind of transformer with temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972768.5U CN209343908U (en) | 2018-11-27 | 2018-11-27 | A kind of transformer with temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209343908U true CN209343908U (en) | 2019-09-03 |
Family
ID=67749657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821972768.5U Active CN209343908U (en) | 2018-11-27 | 2018-11-27 | A kind of transformer with temperature control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209343908U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272538A (en) * | 2020-03-28 | 2020-06-12 | 浙江爱丽智能检测技术集团有限公司 | Stress relaxation detector with temperature sensor |
| CN115631928A (en) * | 2022-12-20 | 2023-01-20 | 江西国翔电力设备有限公司 | Transformer capable of accelerating oil circulation of transformer |
-
2018
- 2018-11-27 CN CN201821972768.5U patent/CN209343908U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272538A (en) * | 2020-03-28 | 2020-06-12 | 浙江爱丽智能检测技术集团有限公司 | Stress relaxation detector with temperature sensor |
| CN115631928A (en) * | 2022-12-20 | 2023-01-20 | 江西国翔电力设备有限公司 | Transformer capable of accelerating oil circulation of transformer |
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