CN106205983A - Special transformer - Google Patents
Special transformer Download PDFInfo
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- CN106205983A CN106205983A CN201610808813.2A CN201610808813A CN106205983A CN 106205983 A CN106205983 A CN 106205983A CN 201610808813 A CN201610808813 A CN 201610808813A CN 106205983 A CN106205983 A CN 106205983A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/025—Constructional details of transformers or reactors with tapping on coil or windings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses a kind of special transformer, aim to provide one and be simultaneously suitable for the switchable special transformer of 10KV or 6KV power grid environment, its drip irrigation device is to use the first permutator and the second permutator, shift theory is connected in conjunction with Y D, and compensation principle, meet electrical network level requirements.
Description
Technical field
The present invention relates to technical field of transformer manufacturing, particularly to 6KV and 10KV being useful in 6KV or 10KV electrical network
Conversion special transformer.
Background technology
In China's national grid, 6KV and 10KV belongs to an electric pressure together, in ore deposits such as each elephant, colliery, iron mine, gold mines
District is difference local power network, further for preventing from place from connecing use mining area electric power, each mining area all to use 6KV voltage electric for production
Pressure.The gradual perfection built along with local legal construction and national grid, for reducing electrical network overlapping investment, and the mark of electrical equipment
Standardization, each mining area voltage can progressively remove 6KV electrical network, and unification changes 10KV voltage into.
When each mining area voltage has 6KV to change 10KV voltage into, currently used 6KV level transformator is both needed to transformation or eliminates,
All being replaced by 10KV transformator, this will result in huge fixed assets and investment waste.For avoiding above-mentioned waste, at dual power supply
Voltage coexists period, needs the transformator can be applicable to the applied environment of 6KV or 10KV.
It addition, an also technical barrier: only by changing the voltage that the wiring group of winding regulates out in transformator
It is not exactly 10KV or 6KV.As a example by 10KV transformator: the size of the line voltage of the star-like connection radical sign as phase voltage 3 times.Logical
Crossing the voltage that star angle converts is 5773.6V, needs to be adjusted this can be only achieved 6KV.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide and be simultaneously suitable for 10KV or 6KV electrical network ring
The switchable special transformer in border.
The above-mentioned technical purpose of the present invention has the technical scheme that a kind of special transformer, including A
Phase coil, B phase coil, C phase coil, also include the first permutator, the second permutator；
First permutator has terminal two, terminal three, terminal four, terminal five；Second permutator have terminal A2, A3, A4,
A5, terminal B2, B3, B4, B5, terminal C2, C3, C4, C5；
A phase coil includes main coil A and ancillary coil X, ancillary coil have tap X4, tap X2, tap X3, tap X5,
Tap X；
B phase coil includes main coil B and ancillary coil Y, ancillary coil have tap Y4, tap Y2, tap Y3, tap Y5,
Tap Y；
C phase coil includes main coil C and ancillary coil Z, ancillary coil have tap Z4, tap Z2, tap Z3, tap Z5,
Tap Z；
One end of main coil A connects the terminal two of the first permutator, and the other end of main coil A connects tap X4, tap X4 even
Connecing the terminal four of the first permutator, tap X2 connects the terminal two of the first permutator, and tap X3 connects the first permutator
Terminal three, tap X5 connects the terminal A5 of the first permutator and the second permutator, and tap X connects the second permutator
Terminal B3；
One end of main coil B connects the terminal B2 of the second permutator, and it is outstanding that the other end of main coil B connects tap Y4, tap Y2
Sky, tap Y3 is unsettled, and tap Y5 connects the terminal B5 of the second permutator, and tap Y connects the terminal C3 of the second permutator；
One end of main coil C connects the terminal C2 of the second permutator, and it is outstanding that the other end of main coil C connects tap Z4, tap Z2
Sky, tap Z3 is unsettled, and tap Z5 connects the terminal C5 of the second permutator, and tap Z connects the second diverting switch terminals A3.
By above-mentioned setting, rated voltage is the distribution transformer of 10KV, and high pressure winding is generally Y connection, when changing D connection into
During knot, line end voltage is 5774V, 6000V rated voltage is still had to the voltage difference of 226V, for making the voltage of low-voltage output
Constant, now need to increase the number of turn at high pressure winding and be compensated by, this programme, the first permutator is used for pressure regulation, the second conversion
Switch is used for switching Y-D bind mode.
Concrete scheme as the present invention can be preferably: is respectively provided with on described A phase coil, B phase coil, C phase coil
There are the first detector unit, the second detector unit, the 3rd detector unit；
It is additionally provided with control unit, receives the first detector unit, the second detector unit, the 3rd detector unit three
The signal of person, in order to compare with same reference value, and arbitrary temperature higher than benchmark be output alarm signal；
Warning circuit, in order to receive sounding or luminous alarm after alarm signal.
By above-mentioned setting, by detector unit, the coil of correspondence position can be detected respectively, owing to coil has three
Phase, by detecting respectively, relative to using several sensors to detect, has a higher accuracy, and can in time by
Temperature compares with the benchmark of setting, thus when stably exceeding setting value, reports to the police immediately, improves security performance.
Concrete scheme as the present invention can be preferably: control unit includes multiple comparator, OR-gate logic circuit,
Each comparator connects to OR-circuit, the outfan of OR-circuit in order to corresponding input signal to compare thick output
Connect warning circuit.
By above-mentioned setting, owing to being that multiple detector unit detects, signal demand carries out logical process, when it
In a phase temperature too high time, by OR-circuit carry out logic or computing, can export, thus realize to arbitrary one
When temperature anomaly occurs in phase coil, can report to the police.
Concrete scheme as the present invention can be preferably: described control unit also includes a summation operation unit, in order to
The Signal averaging process of the first detector unit, the second detector unit, the 3rd detector unit three is carried out defeated
Go out superposed signal；
Warning circuit is also in order to indicate superposed signal.
By above-mentioned setting, in order to improve temperature detecting precision further, running also can exist external environment condition temperature
Spend high situation, use this circuit can expand the scope of temperature detection, such that it is able to large-scale region is carried out temperature
Detection, is overlapped the temperature signal collected, so that it is determined that, in this regional extent, whether temperature exceedes setting value.If
Temperature in regional extent exceedes setting value, then can be reported to the police by warning circuit.
Concrete scheme as the present invention can be preferably: described summation operation unit is adder circuit, adder electricity
The outfan on road is also connected with comparator and compares, and the outfan of comparator connects OR-circuit.
By above-mentioned setting, arithmetic element uses adder circuit, simple in construction, it is easy to implement.
Concrete scheme as the present invention can be preferably: described first detector unit, the second detector unit,
The power supply branch road of the 3rd detector unit is respectively arranged with the switch element of correspondence, and described control unit also includes that a circulation is opened
Close circuit, in order to control switch element circulating close-open.
By above-mentioned setting, power for a long time due to detector unit and detect, the most more waste electric energy, the most permissible
This cycling switch circuit is used to switch over control, such that it is able to overcome the restriction of position and the problem of energy consumption, due to three
Detector unit circulation switches on power, and now remaining detector unit is not energized, relative to by three temperature
Detecting element is also turned on power supply, detects for a long time, its electric energy saving 2/3, and equally carries out three-phase coil
Detection.
Concrete scheme as the present invention can be preferably: described cycling switch circuit includes voltage regulation unit, the first timing
Unit, the second timing unit, the 3rd timing unit；Switch element includes the first relay, the second relay, the 3rd relay；
Voltage regulation unit, provides running voltage for the first timing unit, the second timing unit, the 3rd timing unit；
First timing unit, controls the first relay closing time, triggers the second timing when the first relay power cut-off single
Unit；
Second timing unit, controls the second relay closing time, triggers the 3rd timing when the second relay power cut-off single
Unit；
3rd timing unit, controls the 3rd relay closing time, and triggering at first when the 3rd relay power cut-off is single
Unit.
By above-mentioned setting, first cell timing controlled the first relay carries out action, such that it is able to by the first temperature
The power on of detecting element, triggers the second timing unit work, controls second actuating of relay at the end of timing, thus by the
The power on of two detector units, the 3rd timing unit work of setting out after regularly terminating, control the 3rd actuating of relay, from
And by the power on of the 3rd detector unit, set out after regularly terminating the first timing unit action, thus loop control, real
Existing three detector unit circulation work, saves energy, and detection range can be expanded.
Concrete scheme as the present invention can be preferably: described first timing unit also includes regulating timing length
Regulating element.
By above-mentioned setting, the first timing unit can be adjusted by regulating element.And the first relay can be regulated
The time length of device Guan Bi.Other the second timing unit and the 3rd timing unit principle are the same.
Concrete scheme as the present invention can be preferably: described warning circuit includes audion, the 4th relay, buzzing
Device and display lamp, audion connects OR-circuit outfan, relay series connection audion, the normally opened contact of relay, honeybee
Ring device, display lamp are connected on power supply.
By above-mentioned setting, warning circuit simple in construction, audion is used to control the 4th actuating of relay, such that it is able to
Buzzer warning and display lamp are lighted.
Concrete scheme as the present invention can be preferably: described voltage regulation unit uses voltage stabilizing chip MC7806.
By above-mentioned setting, this voltage stabilizing chip has the voltage that 9V voltage stabilization is output as 6V, so that respectively
Individual late-class circuit is operated or powers.
In sum, the method have the advantages that
1, more energy-conserving and environment-protective, reduce production cost；
2, improve service life and for temperature, there is detection reliably, improving security performance.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the present embodiment；
Fig. 2 is the structure principle chart of the present embodiment；
Fig. 3 is the view of the present embodiment 10KV；
Fig. 4 is the view of the present embodiment 6KV；
Fig. 5 is controller part circuit structure schematic diagram；
Fig. 6 is the cycling switch circuit theory diagrams of the present embodiment；
Fig. 7 is the adder slices structural representation of the present embodiment.
In figure: 10, the first permutator；20, the second permutator；31, the first detector unit；32, the second temperature
Detecting element；33, the 3rd detector unit；4, warning circuit；Q1, audion；J4, the 4th relay；SP, buzzer；LD、
Display lamp；5, OR-circuit；6, voltage regulation unit；7, adder circuit；81, the first timing unit；82, the second timing unit；
83, the 3rd timing unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment: as it is shown in figure 1, a kind of special transformer, including A phase coil, B phase coil, C phase coil, also includes the
One permutator the 10, second permutator 20；The structure of the first permutator 10 and the second permutator 20 is completely the same, in order to
Narration is convenient, is defined as first and turns on pass and the second permutator 20.First permutator 10 has terminal two, terminal
Three, terminal four, terminal five；Second permutator 20 has terminal A2, A3, A4, A5, terminal B2, B3, B4, B5, terminal C2, C3,
C4、C5；A phase coil includes main coil A and ancillary coil X, and ancillary coil has tap X4, tap X2, tap X3, tap
X5, tap X；B phase coil includes main coil B and ancillary coil Y, and ancillary coil has tap Y4, tap Y2, tap Y3, takes out
Head Y5, tap Y；C phase coil includes main coil C and ancillary coil Z, ancillary coil have tap Z4, tap Z2, tap Z3,
Tap Z5, tap Z；One end of main coil A connects the terminal two of the first permutator 10, and the other end of main coil A connects tap
X4, tap X4 connect the terminal four of the first permutator 10, and tap X2 connects the terminal two of the first permutator 10, and tap X3 is even
Connecing the terminal three of the first permutator 10, tap X5 connects the first permutator 10 and the terminal A5 of the second permutator 20,
Tap X connects the terminal B3 of the second permutator 20；One end of main coil B connects the terminal B2 of the second permutator 20, main line
The other end of circle B connects tap Y4, and tap Y2 is unsettled, and tap Y3 is unsettled, and tap Y5 connects the terminal B5 of the second permutator 20,
Tap Y connects the terminal C3 of the second permutator 20；One end of main coil C connects the terminal C2 of the second permutator 20, main line
The other end of circle C connects tap Z4, and tap Z2 is unsettled, and tap Z3 is unsettled, and tap Z5 connects the terminal C5 of the second permutator 20,
Tap Z connects the second permutator 20 terminal A3.
Turns calculations:
Performance parameter:
As in figure 2 it is shown, be provided with first detector unit the 31, second detector unit the 32, the 3rd temperature inspection on transformator
Surveying element 33, its three detector units select the temperature sensor on market, and its structure is identical, in order to describe conveniently, and will
It is defined as first detector unit the 31, second detector unit the 32, the 3rd detector unit 33.
Maximum not being both of this transformator and conventional transformer: transformator has two permutatoies, and one is that routine is opened
Close, the input voltage of regulation transformator, be generally divided into 3 grades or 5 grades, i.e. ± 5% or ± 2 × 2.5%.Second permutator 20 is Y-
D alteration switch.
Its operation is as it is shown on figure 3, be transformed into 5 grades by the second permutator 20, i.e. the state of 10KV is Y connection, such as Fig. 4 institute
Showing, the second permutator 20 is transformed into 3 grades, i.e. D connects, and is converted to 6KV state.
As it is shown in figure 5, be respectively arranged with the first detector unit 31, second on A phase coil, B phase coil, C phase coil
Detector unit the 32, the 3rd detector unit 33.
Being additionally provided with control unit, control unit includes comparator OP1, OP2, OP3, and wherein the peripheral circuit of comparator is even
Access node structure is as it is shown in figure 5, the first detector unit 31 connects the in-phase input end of comparator OP1, comparator by resistance R11
The inverting input of OP1 connects resistance R12 and the junction point of potentiometer Rp11, and junction point provides reference voltage V ref1, resistance
The other end of R12 connects voltage vcc, in like manner understands, comparator OP2 and the attachment structure of comparator OP3 and comparator OP1 mono-
Cause, and current potential Vref1=Vref2=Vref3, then the outfan of comparator OP1, OP2, OP3 is respectively by resistance R13, electricity
Resistance R23, resistance R33 connect OR-circuit 5.
Three comparators receive first detector unit the 31, second detector unit the 32, the 3rd temperature detection respectively
The signal of element 33 three, in order to compare with same reference value, and arbitrary temperature higher than benchmark be output alarm signal；
Warning circuit 4, in order to receive sounding or luminous alarm after alarm signal.Warning circuit 4 includes audion Q1, the 4th relay
J4, buzzer SP and display lamp LD, audion Q1 connects OR-circuit 5 outfan, relay series connection audion Q1, relay
The normally opened contact of device, buzzer SP, display lamp LD are connected on power supply.Control unit includes multiple comparator, OR-gate logic
Circuit, each comparator exports to OR-circuit 5 in order to corresponding input signal is compared thickness, OR-circuit 5
Outfan connects warning circuit 4.First detector unit the 31, second detector unit the 32, the 3rd detector unit 33
The signal of three is expressed as s1, s2, s3 in Figure 5.
Wherein power supply connects first detector unit the 31, second temperature detection respectively also by the normally opened contact of relay
The signal of element the 32, the 3rd detector unit 33 three, in Fig. 5, J1, J2, J3 are a part for relay, for normally opened contact.
As shown in Figure 6, cycling switch circuit include voltage regulation unit the 6, first timing unit the 81, second timing unit 82,
Three timing units 83；Voltage regulation unit 6, provides work for first timing unit the 81, second timing unit the 82, the 3rd timing unit 83
Voltage.First timing unit 81, controls the first relay closing time, triggers the second timing when the first relay power cut-off
Unit 82；Second timing unit 82, controls the second relay closing time, triggers the 3rd when the second relay power cut-off fixed
Shi Danyuan 83；3rd timing unit 83, controls the 3rd relay closing time, triggers first when the 3rd relay power cut-off
Point is unit.First timing unit 81 also includes the regulating element regulating timing length.Regulating element is current potential in figure 6
Device VR1, VR2, VR3.
In Fig. 6 circuit, three time-base integrated circuit LM555 forming three monostable circuits, each monostable circuit is made
It it is a timing control unit.Three unit jointly complete three grades of circulation timings and control function.
Line voltage 220V is input to blood pressure lowering in transformator B, forms 9V voltage, the rectifier bridge module formed by D1-D4
Carrying out rectification, then carry out voltage stabilizing by IC1, the model of IC1 uses MC7806C, can export the stable supply voltage of 6V.And it is electric
Hold C1, C2 and be conducive to filtering.
Timing unit structure mainly includes LM555 chip, its timing peripheral circuit, relay element.
In the moment switched on power, due to reset terminal 4 foot of 555 ICs 3 and IC4, to be all connected to time constant bigger
Automatic reset circuit (being made up of R4, C7 and R7, C11 respectively), make IC3 and IC4 reset, the just output of their outfan 3 foot
Low level, makes audion Q1T2, T3 end respectively, and relay J 2, J3 discharge.
Owing to IC2 reset terminal 4 foot is directly connected on positive source, during power on, the voltage on electric capacity C3 can not suddenly change, IC2
Triggering end 2 foot and obtain trigger voltage so that it is enter temporary stable state, its 3 foot output high level, audion Q1T1 turns on, relay J 1
Adhesive, J1 contact controllable appliance energising work.Power supply charges to electric capacity C5 through potentiometer VR1 simultaneously, when the voltage liter on C5
When height arrives 2/3rds (4V) of supply voltage, IC2 terminates the most steady, and its 3 foot output low level makes audion Q1T1 end, relay
Device J1 discharges, and the appliance cut-off that its contact controls quits work.The parameter of regulator potentiometer VR1 and electric capacity C5 just can change relay
The pickup time of device J1.In the moment of IC2 output electronegative potential, the peaker being made up of electric capacity C6 and resistance R3, by IC3's
Trigger end 2 foot and produce negative spike, trigger IC3 and enter temporary stable state, its outfan 3 foot output high potential, make audion Q1T2 lead
Logical, relay J 2 adhesive, the electrical equipment energising work that its contact controls.The parameter of regulator potentiometer VR2 and electric capacity C9 just can change temporarily
Steady state time.
At the end of the temporary stable state of second unit, the peaker being made up of electric capacity C10 and resistance R6, by the triggering at IC4
Hold 2 feet to produce negative spike, trigger IC4 and enter temporary stable state, its outfan 3 foot output high potential, make audion Q1T3 turn on, continue
Electrical equipment J3 adhesive, the electrical equipment energising work that its contact controls.The parameter of regulator potentiometer VR3 and electric capacity C13 just can change temporary stable state
Time.
At the end of the 3rd temporary stable state of unit, go to trigger first module circuit through peaker C3, R1, circulate the most successively
Realize circulation timing control.
In circuit, IC1 is three end integrated stable voltage circuits, selects MC7806 type；Basis set when IC2, IC3, IC4 use LM555
Become circuit；Relay J 1, J2, J3 to select according to its operating current controlling electrical equipment, but relay coil rated voltage should
For direct current 6V.Other components and parts do not have particular/special requirement, select by circuit mark.
Whole channel check wiring is errorless, and energising just can normally work, the potentiometer VR1 in circuit, electric capacity C5；Potentiometer
VR2, electric capacity C9；Potentiometer VR3, the parameter of electric capacity C13 determine the timing of three element circuits respectively, fixed by circuit parameter
Time the time be about the 1.1RC second.
As it is shown in fig. 7, control unit also includes a summation operation unit, in order to by the first detector unit 31, second
The Signal averaging of detector unit the 32, the 3rd detector unit 33 three processes and carries out exporting superposed signal；Warning circuit 4
Also in order to indicate superposed signal.Summation operation unit is adder circuit 7, and the outfan of adder circuit 7 is also connected with comparator
Comparing, the outfan of comparator connects OR-circuit 5.In Fig. 5, signal s1, s2, s3 respectively by resistance R71, R72,
R73, connects the in-phase input end of amplifier OP4, and the outfan of amplifier OP4 connects comparator OP5, again with reference signal Vref4
Comparing, if superposed signal exceedes setting value, then the c1 signal exported arrives OR-circuit 5 input, it is achieved report to the police.
Operation principle: after energising, cycling switch circuit is started working, thus in Fig. 5, the first relay normally open contact closes
Closing, the first detector unit 31 detects, if A phase coil temperature is too high, reports to the police, after timing has been arrived, and the first relay
Device normally opened contact disconnects, the second relay normally open contact Guan Bi, starts to detect B phase coil, after the time arrives, then starts detection
C phase coil, circulates with this.Saves energy.
It addition, when first detector unit the 31, second detector unit the 32, the 3rd detector unit 33 detection
When temperature superimposition is more than setting value, then warn.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
The present embodiment can be made after reading this specification by member as required does not has the amendment of creative contribution, but as long as at this
All protected by Patent Law in the right of invention.
Claims (10)
1. a special transformer, including A phase coil, B phase coil, C phase coil, it is characterised in that also include that the first conversion is opened
Close (10), the second permutator (20)；
First permutator (10) has terminal two, terminal three, terminal four, terminal five；Second permutator (20) has terminal
A2, A3, A4, A5, terminal B2, B3, B4, B5, terminal C2, C3, C4, C5；
A phase coil includes main coil A and ancillary coil X, ancillary coil have tap X4, tap X2, tap X3, tap X5,
Tap X；
B phase coil includes main coil B and ancillary coil Y, ancillary coil have tap Y4, tap Y2, tap Y3, tap Y5,
Tap Y；
C phase coil includes main coil C and ancillary coil Z, ancillary coil have tap Z4, tap Z2, tap Z3, tap Z5,
Tap Z；
One end of main coil A connects the terminal two of the first permutator (10), and the other end of main coil A connects tap X4, tap
X4 connects the terminal four of the first permutator (10), and tap X2 connects the terminal two of the first permutator (10), and tap X3 connects
The terminal three of the first permutator (10), tap X5 connects the first permutator (10) and the terminal of the second permutator (20)
A5, tap X connect the terminal B3 of the second permutator (20)；
One end of main coil B connects the terminal B2 of the second permutator (20), and the other end of main coil B connects tap Y4, tap
Y2 is unsettled, and tap Y3 is unsettled, and tap Y5 connects the terminal B5 of the second permutator (20), and tap Y connects the second permutator
(20) terminal C3；
One end of main coil C connects the terminal C2 of the second permutator (20), and the other end of main coil C connects tap Z4, tap
Z2 is unsettled, and tap Z3 is unsettled, and tap Z5 connects the terminal C5 of the second permutator (20), and tap Z connects the second permutator
(20) terminal A3.
Special transformer the most according to claim 1, it is characterised in that: on described A phase coil, B phase coil, C phase coil
It is respectively arranged with the first detector unit (31), the second detector unit (32), the 3rd detector unit (33)；
It is additionally provided with control unit, receives the first detector unit (31), the second detector unit (32), the 3rd temperature inspection
Survey element (33) three signal, in order to compare with same reference value, and arbitrary temperature higher than benchmark be output report to the police
Signal；
Warning circuit (4), in order to receive sounding or luminous alarm after alarm signal.
Special transformer the most according to claim 2, it is characterised in that: control unit includes multiple comparator, OR-gate
Logic circuit, each comparator in order to compare thick output to OR-circuit (5), OR-gate electricity by corresponding input signal
The outfan on road (5) connects warning circuit (4).
Special transformer the most according to claim 3, it is characterised in that: described control unit also includes a summation operation list
Unit, in order to by the first detector unit (31), the second detector unit (32), the 3rd detector unit (33) three
Signal averaging processes and carries out exporting superposed signal；
Warning circuit (4) is also in order to indicate superposed signal.
Special transformer the most according to claim 4, it is characterised in that: described summation operation unit is adder circuit
(7), the outfan of adder circuit (7) is also connected with comparator and compares, and the outfan of comparator connects OR-circuit
(5)。
Special transformer the most according to claim 2, it is characterised in that: described first detector unit (31), second
Detector unit (32), the power supply branch road of the 3rd detector unit (33) are respectively arranged with the switch element of correspondence, described
Control unit also includes a cycling switch circuit, in order to control switch element circulating close-open.
Special transformer the most according to claim 6, it is characterised in that: described cycling switch circuit includes voltage regulation unit
(6), the first timing unit (81), the second timing unit (82), the 3rd timing unit (83)；Switch element includes the first relay
Device, the second relay, the 3rd relay；
Voltage regulation unit (6), is the first timing unit (81), the second timing unit (82), the 3rd timing unit (83) offer work
Voltage；
First timing unit (81), controls the first relay closing time, triggers second when the first relay power cut-off fixed
Shi Danyuan (82)；
Second timing unit (82), controls the second relay closing time, triggers the 3rd when the second relay power cut-off fixed
Shi Danyuan (83)；
3rd timing unit (83), controls the 3rd relay closing time, triggers the first point when the 3rd relay power cut-off
It it is unit.
Special transformer the most according to claim 7, it is characterised in that: described first timing unit (81) also include in order to
The regulating element of regulation timing length.
Special transformer the most according to claim 2, it is characterised in that: described warning circuit (4) include audion (Q1),
4th relay (J4), buzzer (SP) and display lamp (LD), audion (Q1) connects OR-circuit (5) outfan, continues
Electrical equipment series connection audion (Q1), the normally opened contact of relay, buzzer (SP), display lamp (LD) are connected on power supply.
Special transformer the most according to claim 7, it is characterised in that: described voltage regulation unit (6) uses voltage stabilizing chip
MC7806。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808813.2A CN106205983A (en) | 2016-09-06 | 2016-09-06 | Special transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808813.2A CN106205983A (en) | 2016-09-06 | 2016-09-06 | Special transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106205983A true CN106205983A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610808813.2A Pending CN106205983A (en) | 2016-09-06 | 2016-09-06 | Special transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184807A (en) * | 1985-02-13 | 1986-08-18 | Mitsubishi Electric Corp | Three-phase transformer |
| CN101329940A (en) * | 2007-12-06 | 2008-12-24 | 杭州华立仪表有限公司 | Temperature controller for dry transformer |
| CN201327771Y (en) * | 2008-12-08 | 2009-10-14 | 山东临清迅力变压器有限公司 | Dual high voltage switching distribution transformer |
| CN202134892U (en) * | 2011-07-11 | 2012-02-01 | 申达电气集团有限公司 | Dry-type transformer capable of realizing intelligent temperature control |
| CN202736682U (en) * | 2012-08-28 | 2013-02-13 | 上海一开投资（集团）有限公司 | 10kV/6kV star-delta conversion double-voltage transformer |
| CN103532444A (en) * | 2013-05-31 | 2014-01-22 | 洛阳华明变压器有限公司 | Large-scale impact power generation device group frequency conversion starting device |
-
2016
- 2016-09-06 CN CN201610808813.2A patent/CN106205983A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184807A (en) * | 1985-02-13 | 1986-08-18 | Mitsubishi Electric Corp | Three-phase transformer |
| CN101329940A (en) * | 2007-12-06 | 2008-12-24 | 杭州华立仪表有限公司 | Temperature controller for dry transformer |
| CN201327771Y (en) * | 2008-12-08 | 2009-10-14 | 山东临清迅力变压器有限公司 | Dual high voltage switching distribution transformer |
| CN202134892U (en) * | 2011-07-11 | 2012-02-01 | 申达电气集团有限公司 | Dry-type transformer capable of realizing intelligent temperature control |
| CN202736682U (en) * | 2012-08-28 | 2013-02-13 | 上海一开投资（集团）有限公司 | 10kV/6kV star-delta conversion double-voltage transformer |
| CN103532444A (en) * | 2013-05-31 | 2014-01-22 | 洛阳华明变压器有限公司 | Large-scale impact power generation device group frequency conversion starting device |
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Application publication date: 20161207 |
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