CN107707125A - Drive circuit and bridge-type resonance circuit - Google Patents
Drive circuit and bridge-type resonance circuit Download PDFInfo
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- CN107707125A CN107707125A CN201710986417.3A CN201710986417A CN107707125A CN 107707125 A CN107707125 A CN 107707125A CN 201710986417 A CN201710986417 A CN 201710986417A CN 107707125 A CN107707125 A CN 107707125A
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- triode
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- bridge
- resonance circuit
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- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 229910000859 α-Fe Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
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- 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
- H01F27/24—Magnetic cores
-
- 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
-
- 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
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Drive circuit provided by the invention and bridge-type resonance circuit, it is related to triode actuation techniques field.Drive circuit includes processor and driving transformer, driving transformer includes skeleton, coil and magnetic core, skeleton includes newel and is arranged at the first fixture and the second fixture of newel opposite end, coil includes the primary coil, the first secondary coil and second subprime coil that coupling is arranged at newel, and magnetic core includes the first magnetic core and the second magnetic core for being arranged at newel both ends by the first fixture and the second fixture respectively.The output end of processor and the both ends of primary coil are connected respectively, and the both ends of the first secondary coil are connected with the base stage and emitter stage of the first triode respectively, and the both ends of second subprime coil are connected with the base stage and emitter stage of the second triode respectively.By above-mentioned setting, can solve the problems, such as that cost is high, efficiency is low and adjustment of inductance is inconvenient because existing using independent magnet ring and colour loop inductance in the prior art.
Description
Technical field
The present invention relates to triode actuation techniques field, in particular to a kind of drive circuit and bridge-type resonance circuit.
Background technology
At present, done using triode in the drive circuit of bridge-type resonance, it is necessary to which coupling is good, the transformable driving magnetic of sensibility reciprocal
Property device.According to current type of drive, it is necessary to combine and to be formed using an independent magnet ring and an independent colour loop inductance
Drive the driving magnetic device of the triode in bridge-type resonance circuit.
Studied through inventor and find in existing actuation techniques, following technical problem be present：
1st, because the making of magnet ring driving transformer needs hand wound's coil and needs the multigroup coil of coiling, manufacturing process is multiple
Miscellaneous, low production efficiency；
2nd, because magnet ring coiling do not limit winding position so as to be directed at uniformity it is poor, coupling it is poor, make power supply overall performance damage
Consumption increases, the degradation such as overall efficiency, or even the serious problems such as aircraft bombing occurs；
3rd, because magnet ring is closes ring-like magnetic device, the structure can not adjust inductance value so as to need to separately increase an independent electricity
The problem of inductor component is to adjust sensibility reciprocal, cause inductance value regulation inconvenience, manufacturing cost increase, the volume for taking circuit board during application
Increase, and mutually deviate from the target of modern Switching Power Supply high efficiency, miniaturization.
The content of the invention
In view of this, it is an object of the invention to provide a kind of drive circuit and bridge-type resonance circuit, can solve existing
Because of the above mentioned problem that magnet ring driving transformer is brought in technology, and produce following technique effect：
1st, it can accomplish that machine full-automation coiling improves production efficiency (speed of production is fast)；
2nd, because the invention is using there is the skeleton coiling of defined position, make that coiling coupling is good, conformity of production is stable, make electricity
Source overall efficiency and other performances effectively improve；
3rd, because having used non-closed composite magnetic device device, it functionally arbitrarily can adjust inductance value and no longer need
Increase separate inductor, two devices are integrated into a device in performance couples more preferably, makes overall performance more preferably, can conveniently adjust
Driving transformer inductance value, and the volume-diminished for making occupancy circuit board because reducing an independent inductance component, so as to meet
Modern Switching Power Supply high efficiency, the target call of miniaturization are complied with.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that：
A kind of drive circuit, applied to the bridge-type resonance circuit for including the first triode and the second triode, described first
The emitter stage of triode is connected with the colelctor electrode of second triode, and the drive circuit includes processor and driving transformation
Device；
The driving transformer includes skeleton, coil and magnetic core, and the skeleton includes newel and is arranged at the center
The first fixture and the second fixture of post opposite end, the coil include the primary line that coupling is arranged at the newel
Circle, the first secondary coil and second subprime coil, the magnetic core include by first fixture and described second consolidating respectively
Determine the first magnetic core and the second magnetic core that part is arranged at the newel both ends；
The output end of the processor is connected respectively with the both ends of the primary coil, the both ends of first secondary coil
Be connected respectively with the base stage and emitter stage of the first triode, the both ends of the second subprime coil respectively with second triode
Base stage connected with emitter stage.
In the embodiment of the present invention preferably selects, in above-mentioned drive circuit, the Same Name of Ends of first secondary coil
It is connected with the base stage of first triode, different name end is connected with the emitter stage of first triode；
The Same Name of Ends of the second subprime coil is connected with the emitter stage of second triode, different name end and described second
The base stage connection of triode.
In the embodiment of the present invention preferably selects, in above-mentioned drive circuit, the drive circuit also includes the first electricity
Resistance and second resistance；
The first resistor is connected in series in the Same Name of Ends of first secondary coil and the base stage of first triode
Between, the second resistance be connected in series in the Same Name of Ends of the second subprime coil and second triode emitter stage it
Between.
In the embodiment of the present invention preferably selects, in above-mentioned drive circuit, first magnetic core and second magnetic
Core is FERRITE CORE.
In the embodiment of the present invention preferably selects, in above-mentioned drive circuit, the driving transformer also includes being used for
The pin of the coil, processor and bridge-type resonance circuit is connected, the skeleton also includes being used for the base for fixing the pin；
The base is connected with first fixture or the described one end of second fixture away from the newel, described
One end of pin is arranged at the base, the other end extends along the direction away from the newel.
On the basis of the above, the embodiment of the present invention additionally provides a kind of bridge-type resonance circuit, including on-off circuit, resonance electricity
Road and above-mentioned drive circuit, the on-off circuit include the first triode and the second triode, and the drive circuit includes the
One secondary coil and second subprime coil；
The both ends of first secondary coil are connected with the base stage and emitter stage of first triode respectively, and described second
The both ends of secondary coil are connected with the base stage and colelctor electrode of second triode respectively, the emitter stage of first triode and
It is connected after the colelctor electrode connection of second triode with the resonance circuit.
In the embodiment of the present invention preferably selects, in above-mentioned bridge-type resonance circuit, the resonance circuit is LCC resonance
Circuit.
In the embodiment of the present invention preferably selects, in above-mentioned bridge-type resonance circuit, the resonance circuit is LLC resonance
Circuit.
In the embodiment of the present invention preferably selects, in above-mentioned bridge-type resonance circuit, first triode and described
Second triode is unipolarity triode.
In the embodiment of the present invention preferably selects, in above-mentioned bridge-type resonance circuit, first triode and described
Second triode is bipolarity triode.
Drive circuit provided by the invention and bridge-type resonance circuit, pass through the skeleton with newel, coil and magnetic core
Be equipped with, advantageously coil can be configured and adjusted to realize the adjustment of inductance value, and then solve prior art
It is middle the problem of manufacturing process complexity to be present because the making of magnet ring needs artificial winding coil and needs the multigroup coil of winding, because accounting for
It is larger with the volume of circuit board and cause application the drive circuit Switching Power Supply in can not meet miniaturization, high efficiency requirement
The problem of and because the problem of adjustment of inductance inconvenience using independent inductance be present, drastically increase drive circuit and bridge-type
The practicality and reliability of resonance circuit.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Fig. 1 is the application circuit schematic diagram of drive circuit provided in an embodiment of the present invention.
Fig. 2 is the structural representation of driving transformer provided in an embodiment of the present invention.
Fig. 3 is another structural representation of driving transformer provided in an embodiment of the present invention.
Fig. 4 is the another application circuit theory diagrams of drive circuit provided in an embodiment of the present invention.
Fig. 5 is another structural representation of driving transformer provided in an embodiment of the present invention.
Fig. 6 is the structured flowchart of bridge-type resonance circuit provided in an embodiment of the present invention.
Icon：100- drive circuits；110- processors；130- driving transformers；131- skeletons；131a- newels；
The fixtures of 131b- first；The fixtures of 131c- second；133- coils；L11- primary coils；The secondary coils of L21- first；L22-
Secondary stage coil；135- magnetic cores；The magnetic cores of 135a- first；The magnetic cores of 135b- second；137- pins；139- bases；200- switch electricity
Road；300- resonance circuits；The triodes of Q1- first；The triodes of Q2- second；R1- first resistors；R2- second resistances.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment only
It is the part of the embodiment of the present invention, rather than whole embodiments.The present invention being generally described and illustrated herein in the accompanying drawings
The component of embodiment can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.In description of the invention
In, term " first ", " second " etc. be only used for distinguish description, and it is not intended that simply or imply relative importance.
In the description of the invention, unless otherwise clearly defined and limited, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body implication.
As depicted in figs. 1 and 2, the embodiments of the invention provide a kind of drive circuit 100, applied to bridge-type resonance circuit.
Wherein, the bridge-type resonance circuit includes the first triode Q1 and the second triode Q2, and the transmitting of the first triode Q1
Pole is connected with the colelctor electrode of the second triode Q2.
Further, in the present embodiment, the drive circuit 100 includes processor 110 and driving transformer 130.Its
In, the driving transformer 130 includes skeleton 131, coil 133 and magnetic core 135.
With reference to Fig. 3, in the present embodiment, the skeleton 131 includes newel 131a and is arranged at the newel 131a
First fixture 131b of opposite end and the second fixture 131c, the coil 133 are arranged at the newel including coupling
131a primary coil L11, the first secondary coil L21 and second subprime coil L22, the magnetic core 135 include passing through institute respectively
State the first fixture 131b and the second fixture 131c be arranged at the newel 131a both ends the first magnetic core 135a and
Second magnetic core 135b.
The output end of the processor 110 is connected respectively with the both ends of the primary coil L11, first secondary coil
L21 both ends are connected with the first triode Q1 base stage and emitter stage respectively, the both ends of the second subprime coil L22 respectively with
The base stage of the second triode Q2 connects with emitter stage.
Pass through above-mentioned setting, it is possible to achieve：The driving that the driving transformer 130 exports according to the processor 110 is believed
Number, by the first secondary coil L21 and second subprime coil L22 respectively to the first triode Q1 or the two or three
Pole pipe Q2 exports high level signal or low level signal, and then realizes and the first triode Q1 and the second triode Q2 are closed
Close the control with shut-off.
In the present embodiment, because the primary coil L11, the first secondary coil L21 and second subprime coil L22 can be with
The newel 131a of the skeleton 131 is set around by machinery equipment, to solve in the prior art because needing craft using magnet ring
Coiling 133 and exist production and change work trouble the problem of.Due to the primary coil L11, the first secondary coil L21 and
Secondary stage coil L22 is set around the newel 131a, can in order to the primary coil L11, the first secondary coil L21 and
Second subprime coil L22 spacing and the number of turn is adjusted, so solve in the prior art because using independent colour loop inductance and
Exist when resulting in the need for adjusting inductance and change the problem of inconvenient.It is also, existing to substitute by using above-mentioned driving transformer 130
Magnet ring and colour loop inductance in technology, can solve because cabling complexity using magnet ring and colour loop inductance being present, taking circuit board
Bulky problem.
Alternatively, the first secondary coil L21, second subprime coil L22 and the first triode Q1, the two or three pole
Pipe Q2 specific connected mode is unrestricted, can be configured according to the actual requirements, as long as can realize according to the processing
Closure and the control of shut-off of the drive signal of device 110 to the first triode Q1 and the second triode Q2.In this reality
Apply in example, the Same Name of Ends of the first secondary coil L21 is connected with the base stage of the first triode Q1, different name end and described the
One triode Q1 emitter stage connection, the emitter stage of the Same Name of Ends of the second subprime coil L22 and the second triode Q2
Connection, different name end are connected with the base stage of the second triode Q2.
Further, to avoid the voltage of the first secondary coil L21 output and second subprime coil L22 outputs
Voltage be directly applied to the first triode Q1 and the second triode Q2 and cause the first triode Q1 and
Two triode Q2 damage, in the present embodiment, with reference to Fig. 4, the drive circuit 100 can also include first resistor R1 and the
Two resistance R2.
In the present embodiment, the first resistor R1 is connected in series in Same Name of Ends and the institute of the first secondary coil L21
Between the base stage for stating the first triode Q1, the second resistance R2 is connected in series in the Same Name of Ends of the second subprime coil L22
Between the emitter stage of the second triode Q2.
Alternatively, the first magnetic core 135a and the second magnetic core 135b specific material are unrestricted, as long as there is
Certain magnetic conduction ability, for example, it is FERRITE CORE, permalloy magnetic core, silicon steel sheet magnetic core that can include but is not limited to
Or amorphous and nano-crystal soft magnetic alloy magnetic core.In the present embodiment, the first magnetic core 135a and the second magnetic core 135b are
FERRITE CORE.
Alternatively, the first magnetic core 135a and the second magnetic core 135b shape and structure both can be identicals,
It can be different, the performance requirement of the driving transformer 130 can be configured according in practical application.
Alternatively, the first magnetic core 135a and the second magnetic core 135b concrete shape are unrestricted, for example, can be with
It is the structures such as E types, F types and c-type to include but is not limited to, according to the first fixture 131b, the second fixture 131c and
Newel 131a concrete shape and practical application request is configured.
With reference to Fig. 5, for ease of between the driving transformer 130 and the processor 110 and bridge-type resonance circuit
Connection, in the present embodiment, the driving transformer 130 also include being used to connect the coil 133, processor 110 and bridge-type
The pin 137 of resonance circuit, the pin 137 is additionally operable to the driving transformer 130 being installed on printed circuit board (PCB), so that institute
Driving transformer 130 is stated to be relatively fixed on the printed circuit board.The specific set-up mode of the pin 137 is unrestricted.
In the present embodiment, the skeleton 131 also includes being used for the base 139 for fixing the pin 137.
Alternatively, the specific set-up mode of the base 139 is unrestricted, as long as can guarantee that the skeleton 131 can lead to
The base 139 is crossed to be connected with the pin 137.In the present embodiment, the base 139 and first fixture
One end connections of the 131b and/or the second fixture 131c away from the newel 131a, one end of the pin 137 is set
Extend in the base 139, the other end along the direction away from the newel 131a.If the base 139 is multiple, Ke Yifen
It is not connected with the first fixture 131b and the second fixture 131c, both can be with institute if the base 139 is one
The first fixture 131b connections are stated, can also be connected with the second fixture 131c.In the present embodiment, it is the guarantee drive
For the structure of dynamic transformer 130 simply in order to reduce volume, the base 139 is one.
With reference to Fig. 6, on the basis of above-mentioned drive circuit 100, the embodiment of the present invention also provides a kind of bridge-type resonance circuit,
Including on-off circuit 200, resonance circuit 300 and above-mentioned drive circuit 100.
Alternatively, the particular type of the on-off circuit 200 is unrestricted, can be configured according to the actual requirements, example
Such as, the full-bridge type switch that includes the half-bridge switch configuration of two triodes or include four triodes both can be
Circuit.In the present embodiment, the on-off circuit 200 is half-bridge switch configuration, and including the first triode Q1 and the two or three
Pole pipe Q2.
Alternatively, the quantity for the secondary coil that the driving transformer 130 of the drive circuit 100 includes is unrestricted, can
To be configured according to the actual requirements, for example, can be configured according to the quantity of the triode of the on-off circuit 200,
In the present embodiment, the secondary coil of the driving transformer 130 includes the first secondary coil L21 and second subprime coil L22.
Further, in the present embodiment, the both ends of the first secondary coil L21 respectively with the first triode Q1
Base stage connected with emitter stage, the both ends of the second subprime coil L22 base stage and collection with the second triode Q2 respectively
Electrode connects, electric with the resonance after the emitter stage of the first triode Q1 and the second triode Q2 colelctor electrode connection
Road 300 connects.
Alternatively, the particular type of the resonance circuit 300 is unrestricted, is configured according to the actual requirements, example
Such as, can as needed caused by resonance signal be configured, both can be the LCC resonance for including an inductance, two electric capacity
Circuit or the LLC resonance circuits including two inductance, electric capacity.
Alternatively, the first triode Q1 and the second triode Q2 particular type are unrestricted, according to reality
Demand is configured, for example, can be according to the switch performance demand to the first triode Q1 and the second triode Q2
It is configured, both can has been unipolarity triode or bipolarity triode.
Include the drive circuit 100 in view of the bridge-type resonance circuit, whole skills with the drive circuit 100
Art feature, identical technical problem is can solve the problem that, and produce identical technique effect.Therefore, in the present embodiment, the bridge-type
The technical characteristic of drive circuit 100 no longer repeats one by one in resonance circuit, refers to the explanation above to the drive circuit 100
Explanation.
In summary, drive circuit 100 and bridge-type resonance circuit provided by the invention, pass through the bone with newel 131a
Frame 131, coil 133 and magnetic core 135 are equipped with, and advantageously coil 133 can be configured and be adjusted to realize electricity
The adjustment of sensibility reciprocal, and then solve in the prior art because the making of magnet ring needs artificial winding coil 133 and needs the multigroup line of winding
Enclose 133 and the problem of manufacturing process complexity be present, cause applying the drive circuit 100 because the volume for taking circuit board is larger
Switching Power Supply in can not meet miniaturization, high efficiency requirement the problem of and because adjustment of inductance be present using independent inductance
The problem of inconvenient, drastically increase the practicality and reliability of drive circuit 100 and bridge-type resonance circuit.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. drive circuit, applied to the bridge-type resonance circuit for including the first triode and the second triode, it is characterised in that The emitter stage of first triode is connected with the colelctor electrode of second triode, and the drive circuit includes processor and drive Dynamic transformer；The driving transformer includes skeleton, coil and magnetic core, and the skeleton includes newel and is arranged at the newel phase To first fixture and the second fixture at both ends, the coil includes coupling and is arranged at the primary coil of the newel, the One secondary coil and second subprime coil, the magnetic core include setting by first fixture and second fixture respectively It is placed in first magnetic core and the second magnetic core at the newel both ends；The output end of the processor is connected respectively with the both ends of the primary coil, the both ends difference of first secondary coil It is connected with the base stage and emitter stage of the first triode, the both ends of the second subprime coil base with second triode respectively Pole connects with emitter stage.
- 2. drive circuit according to claim 1, it is characterised in that the Same Name of Ends of first secondary coil and described the The base stage connection of one triode, different name end are connected with the emitter stage of first triode；The Same Name of Ends of the second subprime coil is connected with the emitter stage of second triode, different name end and the two or three pole The base stage connection of pipe.
- 3. drive circuit according to claim 2, it is characterised in that the drive circuit also includes first resistor and second Resistance；The first resistor is connected in series between the Same Name of Ends of first secondary coil and the base stage of first triode, The second resistance is connected in series between the Same Name of Ends of the second subprime coil and the emitter stage of second triode.
- 4. according to the drive circuit described in claim 1-3 any one, it is characterised in that first magnetic core and described second Magnetic core is FERRITE CORE.
- 5. according to the drive circuit described in claim 1-3 any one, it is characterised in that the driving transformer also includes using In the pin for connecting the coil, processor and bridge-type resonance circuit, the skeleton also includes being used for the bottom for fixing the pin Seat；The base is connected with first fixture or the described one end of second fixture away from the newel, the pin One end be arranged at the base, the other end along away from the newel direction extend.
- 6. a kind of bridge-type resonance circuit, it is characterised in that any one including on-off circuit, resonance circuit and claim 1-5 Drive circuit described in, the on-off circuit include the first triode and the second triode, and the drive circuit includes first Secondary coil and second subprime coil；The both ends of first secondary coil are connected with the base stage and emitter stage of first triode respectively, the second subprime The both ends of coil are connected with the base stage and colelctor electrode of second triode respectively, the emitter stage of first triode and described It is connected after the colelctor electrode connection of second triode with the resonance circuit.
- 7. bridge-type resonance circuit according to claim 6, it is characterised in that the resonance circuit is LCC resonance circuits.
- 8. bridge-type resonance circuit according to claim 6, it is characterised in that the resonance circuit is LLC resonance circuits.
- 9. bridge-type resonance circuit according to claim 6, it is characterised in that first triode and the two or three pole Manage as unipolarity triode.
- 10. bridge-type resonance circuit according to claim 6, it is characterised in that first triode and the described 2nd 3 Pole pipe is bipolarity triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986417.3A CN107707125A (en) | 2017-10-20 | 2017-10-20 | Drive circuit and bridge-type resonance circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986417.3A CN107707125A (en) | 2017-10-20 | 2017-10-20 | Drive circuit and bridge-type resonance circuit |
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| Publication Number | Publication Date |
|---|---|
| CN107707125A true CN107707125A (en) | 2018-02-16 |
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|---|---|---|---|
| CN201710986417.3A Pending CN107707125A (en) | 2017-10-20 | 2017-10-20 | Drive circuit and bridge-type resonance circuit |
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| CN206312735U (en) * | 2016-12-21 | 2017-07-07 | 惠州Tcl照明电器有限公司 | Ultra-thin transformer |
| CN206293235U (en) * | 2017-01-06 | 2017-06-30 | 东莞市健阳达电子有限公司 | A kind of magnetic core of transformer component and transformer with double air gaps mouthful |
| CN207475409U (en) * | 2017-10-20 | 2018-06-08 | 四川莱福德科技有限公司 | Driving circuit and bridge-type resonance circuit |
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