CN206282702U - A kind of signal transmission transformer device structure of two-forty polytropic ratio - Google Patents
A kind of signal transmission transformer device structure of two-forty polytropic ratio Download PDFInfo
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- CN206282702U CN206282702U CN201621413336.1U CN201621413336U CN206282702U CN 206282702 U CN206282702 U CN 206282702U CN 201621413336 U CN201621413336 U CN 201621413336U CN 206282702 U CN206282702 U CN 206282702U
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 11
- 238000009413 insulation Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
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- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a kind of signal transmission transformer device structure of two-forty polytropic ratio, including the skeleton with bobbin winder bracket, the bobbin winder bracket has a hollow bulb, the two ends of the hollow bulb are set with magnetic core, primary coil and secondary coil are wound with the bobbin winder bracket, the primary coil is mutually linked with the secondary coil and forms twisted wire structure, the primary coil includes the first wire and the second wire, the secondary coil includes privates and privates, the twisted wire structure includes the first twisted wire section S1 being sequentially connected, second twisted wire section S2 and the 3rd twisted wire section S3.The signal transmission transformer device structure that the utility model is provided, it is convenient to realize the circle ratio of transformer by adjusting the length L of the 3rd twisted wire section S3, and good with coupled characteristic, the advantages of the uniformity of product is good.
Description
Technical field
The utility model is related to transformer technology field, and in particular to a kind of signal transmission transformer of two-forty polytropic ratio
Structure.
Background technology
Signal transmission transformer is the device of signal transmission, high_voltage isolation and impedance matching, and main material includes magnetic core, bone
Frame and coil, coil are made up of two or more windings, wherein the winding for connecing input signal is defined as primary coil
(Np) winding for, connecing output signal or connecing chip side is defined as secondary coil (Ns)；When be connected with primary coil alternating current or
During input signal, exchange flux is just produced in magnetic core, make to induce voltage in secondary coil or electric current reaches the work of signal transmission
With.The number of turns of wherein primary coil and secondary coil is designed according to the impedance of matching chip.Signal transmission transformer
The effect such as signal coupling, DC-isolation, impedance matching, high_voltage isolation is primarily served, signal transmission transformer is mainly used in tune
The information technoloy equipments such as modulator-demodulator, local side telecommunication cabinet.
Signal transmission transformer is one of crucial magnetic device in DSL system, it isolates played in circuit system,
Impedance matching, waveform reparation and regulation etc. are acted on.To meet the requirement of bandwidth, insertion loss harmony wave distortion, magnetic core of transformer
Material requirements working frequency is wide, magnetic conductivity is high, loss is small.Transformer wants efficiency high in itself, be lost that low, distortion is low, response speed
Hurry up.To adapt to transformer high speed (such as Gigabit), integrated, miniaturization development trend, EP13/EP10/EP7 is generally selected
Type ferrite magnetic core.DSL signal transmission transformer is the theoretical foundation of low-power linear unit, its transmission characteristic and reflection characteristic
It is theoretical passive network, its working frequency is 26kHz~30MHz, and requires that this inband signal wave distortion is small.
It is the important method for reducing transformer medium-frequency loss characteristic that winding resistance is generally reduced by optimizing winding wire diameter,
Leakage inductance and distribution capacity are the key parameters for influenceing transformer high frequency characteristics, but leakage inductance and distribution capacity are conflicting, drops
Low drain electrification holds can be increased, and reducing electric capacity leakage inductance can increase, it is necessary to trade off treatment to it.Sanming City in current winding structure
It is relatively good scheme to control structure, can obtain relatively good leakage inductance and electric capacity, but develop into the G.fast biographies of higher rate
Defeated standard this scheme also is difficult to meet and requires.
Existing vector quantization VDSL2 can realize total speed of highest 150Mbps using 30MHz frequency spectrums in single line, and
G.fast, can be in same distance using more wide spectrum (first stage up to 106MHz, second stage up to 212MHz)
The speed of 500Mbps to 1Gbps is realized, faster speed will be realized using higher frequency.Will for line transmission transformer characteristic
Ask more strict, be mainly reflected in widening for same frequency band, insertion loss, leakage inductance and the distribution capacity requirement for product are tighter
Lattice, existing winding mode has been difficult to realize；At present, existing scheme common practice is to reduce interlayer tape thickness and the number of turns
Or reduce copper cash thickness of insulating layer and reduce leakage inductance and Insertion Loss, but the method can prevent stress levels reduction or the class of insulation from expiring
Foot is required, and conformity of production is poor, and quality is difficult to management and control.
Utility model content
To overcome the problem of the deficiencies in the prior art and presence, the utility model provides a kind of signal of two-forty polytropic ratio
Transmission transformer structure, the signal transmission transformer device structure is set to segmented twisted wire structure by by coil, can be as needed
The circle ratio of transformer is easily adjusted, and can effectively reduce leakage inductance and loss, while have coupled characteristic good, the uniformity of product
The advantages of good.
The utility model is achieved through the following technical solutions：A kind of signal transmission transformer knot of two-forty polytropic ratio
Structure, including the skeleton with bobbin winder bracket, the bobbin winder bracket have a hollow bulb, and the two ends of the hollow bulb are set with magnetic core, described
Primary coil and secondary coil are wound with bobbin winder bracket, the primary coil is mutually linked with the secondary coil and forms twisted wire
Structure, the primary coil includes the first wire and the second wire, and the secondary coil includes privates and privates, institute
Stating twisted wire structure includes mutually being linked by the first wire, the second wire and privates the first twisted wire section for being formed, by first
Wire, the second wire mutually link the second twisted wire section of formation, and mutual by the first wire, the second wire and privates
The 3rd twisted wire section for being formed is linked, the first twisted wire section, the second twisted wire section and the 3rd twisted wire section are sequentially connected.
Preferably, wherein one end of the first twisted wire section is provided with by the first wire, the second wire and privates
One end formed go out wire pin, the other end of the first twisted wire section is provided with the outlet formed by the other end of privates and draws
Pin；Wherein one end of the 3rd twisted wire section is provided with what is formed by one end of the first wire, the second wire and privates
Go out wire pin, the other end of the 3rd twisted wire section to be provided with and go out wire pin by what the other end of privates was formed.
Preferably, the first described wire, the second wire, privates and privates include copper cash, and
It is coated on the insulating barrier outside copper cash；It is preferred that the number of plies of the insulating barrier is one or more layers.
Preferably, the length of the second twisted wire section is L, and the L becomes with the circle of signal transmission transformer than the change of N
Change.Specifically, the circle than N is determined according to the number of turns of the twisted wires of the first twisted wire Duan Yu tri- section and the length of the L
, i.e., in the case that first twisted wire section is fixed with the number of turns of the second twisted wire section, can be realized not by adjusting the length of L
Circle with numerical value compares N.
The signal transmission transformer device structure that the utility model is provided, it is by by the primary coil and secondary coil of transformer
It is set to segmented twisted wire structure, it is convenient to by the circle ratio for adjusting the length L of the second twisted wire section to realize transformer, while
May be such that primary coil is more closely combined together with secondary coil, so as to can reach more preferably coupled characteristic, effectively reduce
The leakage inductance of transformer and loss, and the high-speed transfer characteristic that pass band reaches lifting whole network system is widened, with coupling
Close the advantages of characteristic is good, and the uniformity of product is good.
Brief description of the drawings
Fig. 1 is the part decomposition texture schematic diagram of the signal transmission transformer in the utility model embodiment.
Fig. 2 is the coiling principle schematic of primary coil described in the utility model embodiment and secondary coil.
Fig. 3 is the segmented twisted wire structural representation of primary coil described in the utility model embodiment and secondary coil.
Wherein, drawing reference numeral is：10- skeletons, 20- bobbin winder brackets, 21- hollow bulbs, 30- magnetic cores, the wires of a- first, b- second
Wire, c- privates, d- privates, the twisted wires of S1- first section, the twisted wires of S2- second section, the twisted wires of S3- the 3rd section.
Specific embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments the utility model is made into
One step is described in detail.
As illustrated in the accompanying drawings from 1 to 3, a kind of signal transmission transformer device structure of two-forty polytropic ratio, including with bobbin winder bracket 20
Skeleton 10, the bobbin winder bracket has a hollow bulb 2), the two ends of the hollow bulb are set with magnetic core 30, are wound with the bobbin winder bracket
Primary coil and secondary coil, the primary coil are mutually linked with the secondary coil and form twisted wire structure, the primary
Coil includes the first wire a and the second wire b, and the secondary coil includes privates c and privates d, the twisted wire knot
Structure includes mutually being linked by the first wire, the second wire and privates the first twisted wire section S1 for being formed, by the first wire, the
Two wires mutually link the second twisted wire section S2 of formation, and are mutually linked by the first wire, the second wire and privates
The 3rd twisted wire section S3 for being formed, the first twisted wire section S1, the second twisted wire section S2 and the 3rd twisted wire section S3 are sequentially connected.
Wherein one end of first twisted wire section S1 is provided with by the first wire a, the second wire b and privates c
What one end was formed goes out wire pin, and the other end of the first twisted wire section S1 is provided with the outlet formed by the other end of privates c and draws
Pin；Wherein one end of the 3rd twisted wire section S3 is provided with by one end shape of the first wire a, the second wire b and privates d
Into go out wire pin, the other end of the 3rd twisted wire section S3 to be provided with and go out wire pin by what the other end of privates d was formed.Its
In, gone out in wire pin by what privates and privates wherein one end were formed, it is close to the two of the second twisted wire section S2 two ends
Go out wire pin to reserve wire pin, as needed to connect two reserved outlet pins corresponding with signal transmission transformer
Connect, so that the convenient winding structure for changing signal transmission transformer as needed.
In the present embodiment provide signal transmission transformer device structure, by by the primary coil of signal transmission transformer with it is secondary
Level coil is set to segmented twisted wire structure, it is convenient to realize transformer by adjusting the length L of the second twisted wire section S2
Enclose than N (number of turns ratio of primary coil and secondary coil), while may be such that primary coil is more closely combined with secondary coil
Together, so as to can reach more preferably coupled characteristic, leakage inductance and the loss of transformer are effectively reduced, and widens pass band and reached
The high-speed transfer characteristic of whole network system is lifted, it is and good with coupled characteristic, the advantages of the uniformity of product is good.
Specifically, the circle is by the number of turns of first twisted wire section S1 and the 3rd twisted wire section S3 and described by second than N
The value of the length L of twisted wire section S2 is determined.For example, when the first twisted wire section S1 is identical with the number of turns of the 3rd twisted wire section S3, and L=
When 0, (now, the first wire a is identical with the number of turns of the second wire b, and the first wire a and the second wire b than N=2 for the number of turns
The number of turns be privates c, the twice of privates d)；When the first twisted wire section S1 is identical with the number of turns of the 3rd twisted wire section S3, institute
The length of L and the length of the first twisted wire section S1 and the equal length of the 3rd twisted wire section S3 are stated, now N=3 (now, first leads
Line a is identical with the number of turns of the second wire b, and the number of turns of the first wire a and the second wire b is privates c, privates d
Three times).I.e. when the number of turns of the first twisted wire section S1 and the 3rd twisted wire section S3 is fixed, can be by adjusting the second twisted wire section S2
The value of length L increase value of the number of turns than N.Certainly, in actual applications, the privates c, privates d
The number of turns need not be identical, can specifically select according to actual needs.
Transformer in the prior art, to meet the requirement of insulating properties, generally by primary coil and secondary coil
Between wind one or more layers insulating tape and isolated, and be also wound with insulating barrier in bobbin winder bracket.And in the present embodiment, then
By the requirement that the different functional insulation grade of transformer is met from the wire rod with different insulative performance.In the present embodiment
The first described wire, the second wire, privates and privates include copper cash, and are coated on outside copper cash
Insulating barrier.Wherein, the number of plies of the insulating barrier can (multilayer in the present embodiment refers to two-layer or two for one or more layers
More than layer).For example, when product need to meet functional insulation class requirement or basic insulation class requirement, just secondary coil and level line
The insulating barrier in wire in circle at least uses monolayer insulating layer；When product need to meet superinsulation class requirement, primary line
The insulating barrier in wire in circle or secondary coil at least uses double layer of insulation；When product need to meet reinforced insulation class requirement
When, the insulating barrier in wire in primary coil or secondary coil at least uses three-layer insulated layer.I.e. in the present embodiment, can be with
Power transformer product the class of insulation requirement difference and select the wire of the corresponding class of insulation, so as to can avoid the need in primary line
One or more layers insulating tape is wound between circle and secondary coil, and then be may be such that primary coil and secondary coil hinge joint one
The twisted wire structure for rising, it is not necessary to which increasing material or operation in addition can meet corresponding class of insulation requirement, and cause just
Level coil is closely linked with secondary coil, so as to can reach optimal coupling effect.
Above-described embodiment is preferably implementation of the present utility model, is not to restriction of the present utility model, not
On the premise of departing from inventive concept of the present utility model, it is any it is obvious replacement protection domain of the present utility model it
It is interior.
Claims (5)
1. a kind of signal transmission transformer device structure of two-forty polytropic ratio, including the skeleton (10) with bobbin winder bracket (20), it is described
Bobbin winder bracket has a hollow bulb (21), and the two ends of the hollow bulb are set with magnetic core (30), primary line is wound with the bobbin winder bracket
Circle and secondary coil, it is characterised in that：The primary coil is mutually linked with the secondary coil and forms twisted wire structure, described
Primary coil includes the first wire (a) and the second wire (b), and the secondary coil includes privates (c) and privates
D (), the twisted wire structure includes mutually being linked by the first wire, the second wire and privates the first twisted wire section for being formed
(S1) the second twisted wire section (S2) for being formed, is mutually linked by the first wire, the second wire, and by the first wire, the second wire
And privates mutually link the 3rd twisted wire section (S3) of formation, the first twisted wire section, the second twisted wire section and the 3rd twist
Line segment is sequentially connected.
2. signal transmission transformer device structure according to claim 1, it is characterised in that：Wherein the one of the first twisted wire section
End to be provided with and go out wire pin by what one end of the first wire, the second wire and privates was formed, the first twisted wire section it is another
End to be provided with and go out wire pin by what the other end of privates was formed；Wherein one end of the 3rd twisted wire section is provided with by first
What one end of wire, the second wire and privates was formed goes out wire pin, and the other end of the 3rd twisted wire section is provided with by the 4th
What the other end of wire was formed goes out wire pin.
3. signal transmission transformer device structure according to claim 2, it is characterised in that：Described the first wire, second are led
Line, privates and privates include copper cash, and are coated on the insulating barrier outside copper cash.
4. signal transmission transformer device structure according to claim 3, it is characterised in that：The number of plies of the insulating barrier is one layer
Or multilayer.
5. the signal transmission transformer device structure according to any one in Claims 1 to 4, it is characterised in that：Described second
The length of twisted wire section is L, and the L changes with the circle of signal transmission transformer than the change of N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413336.1U CN206282702U (en) | 2016-12-22 | 2016-12-22 | A kind of signal transmission transformer device structure of two-forty polytropic ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413336.1U CN206282702U (en) | 2016-12-22 | 2016-12-22 | A kind of signal transmission transformer device structure of two-forty polytropic ratio |
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| Publication Number | Publication Date |
|---|---|
| CN206282702U true CN206282702U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621413336.1U Expired - Fee Related CN206282702U (en) | 2016-12-22 | 2016-12-22 | A kind of signal transmission transformer device structure of two-forty polytropic ratio |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036819A (en) * | 2018-08-10 | 2018-12-18 | 遂宁普思电子有限公司 | Two-way integrates variable ratio mutual inductor |
| CN110581008A (en) * | 2019-09-16 | 2019-12-17 | 深圳振华富电子有限公司 | Radio frequency transformer and electric appliance |
-
2016
- 2016-12-22 CN CN201621413336.1U patent/CN206282702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036819A (en) * | 2018-08-10 | 2018-12-18 | 遂宁普思电子有限公司 | Two-way integrates variable ratio mutual inductor |
| CN110581008A (en) * | 2019-09-16 | 2019-12-17 | 深圳振华富电子有限公司 | Radio frequency transformer and electric appliance |
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| CF01 | Termination of patent right due to non-payment of annual fee |