CN208806128U - Printed circuit board flat-plate transformer - Google Patents
Printed circuit board flat-plate transformer Download PDFInfo
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- CN208806128U CN208806128U CN201821101473.0U CN201821101473U CN208806128U CN 208806128 U CN208806128 U CN 208806128U CN 201821101473 U CN201821101473 U CN 201821101473U CN 208806128 U CN208806128 U CN 208806128U
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Abstract
The utility model provides a kind of printed circuit board flat-plate transformer, including magnetic core, armature winding and secondary windings, and armature winding includes the first printed circuit board of multilayer, and each first printed circuit board includes the first Circular Plate and the first connecting plate；Secondary windings includes the second printed circuit board of multilayer, and each second printed circuit board includes the second Circular Plate and the second connecting plate；The centre bore of first Circular Plate and the centre bore of the second Circular Plate cooperatively form through-hole；Magnetic core has magnetic pole and magnet frame；First connecting plate and the second connecting plate are located at the two sides of through-hole.The first printed circuit board of the utility model passes through the first Circular Plate of setting and the first connecting plate, second printed circuit board passes through the second Circular Plate of setting and the second connecting plate, first Circular Plate and the second Circular Plate are centrally formed through-hole, first connecting plate and the second connecting plate are located at the two sides of through-hole, then the first connecting plate and the second connecting plate stretch out the two sides of magnetic core respectively, to facilitate differentiation, assembling and use.
Description
Technical field
The utility model belongs to field transformer, is to be related to a kind of printed circuit board flat-plate transformer more specifically.
Background technique
Flat-plate transformer have high current density, high efficiency, low drain sense, it is small in size the features such as；Thus it is used widely.
Flat-plate transformer can be divided into printed circuit (PCB) type, thick-film type, film-type, 4 kinds of submicron；PCB type flat-plate transformer is (i.e.
Printed circuit board flat-plate transformer), it is that helical winding is formed using printed circuit board manufacturing process on multilayer boards, fits
Together in the transformer of the more stable middle low power of manufacturing property.Current PC Type B printed circuit board flat-plate transformer is usually
Armature winding PCB and secondary windings PCB are made as identical size, then are stacked.This structure assembling in use,
Be difficult to differentiate between it is positive and negative, assembling with it is inconvenient to use.
Utility model content
The purpose of this utility model is to provide a kind of printed circuit board flat-plate transformers, to solve to deposit in the prior art
Printed circuit board flat-plate transformer assembling and inconvenient problem with use.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of printed circuit board plate change
Depressor, including magnetic core, armature winding and secondary windings, the armature winding include the first printed circuit of multilayer being stacked
Plate, each first printed circuit board include the first Circular Plate and by the side of first Circular Plate extend first connection
Plate, first Circular Plate are equipped with coil, and the both ends of the coil extend on first connecting plate, the described in multilayer
The coil of one printed circuit board is connected；The secondary windings includes the second printed circuit board of multilayer being stacked, and each described
Two printed circuit boards include the second Circular Plate and the second connecting plate for being extended by two sides of second Circular Plate, and described second
Circular Plate is equipped with coil, and the both ends of the coil extend on second connecting plate, the multilayer of each secondary windings
The coil of second printed circuit board is connected；The centre bore of first Circular Plate and the centre bore of second Circular Plate are matched
Conjunction forms through-hole；The magnetic pole that there is the magnetic core cooperation to be inserted into the through-hole and around the armature winding and it is described it is secondary around
The magnet frame of group, the magnetic pole are set in the magnet frame, and both sides opposite with the magnet frame are connected respectively at the both ends of the magnetic pole；Institute
It states the first connecting plate and second connecting plate is located at the two sides of the through-hole.
Further, the secondary windings is in parallel two sets, two sets secondary windings be respectively arranged on the primary around
The two sides of group.
Further, the diameter of the magnetic pole is greater than or equal to four times of each coil width.
Further, the width of each coil is 5.5mm.
Further, the cross-sectional area range of each coil is 1.0mm2~1.2mm2。
Further, each first connecting plate is equipped with the two neighboring first printed circuit board coil of connecting
First pad.
Further, at least two first apertures on each first connecting plate, the armature winding further includes wearing respectively
The first pin crossing each first aperture and being fixedly linked with corresponding first connecting plate, each coil of the armature winding
The both ends that series connection forms winding are electrical connected with two first pins respectively.
Further, second connecting plate is equipped with seven the second pads；Two neighboring second printed circuit board
Coil is connected through correspondence second pad, and seven the second pad settings are in a column, two neighboring second pad interval
Setting.
Further, the second aperture is offered in each second pad on each second printed circuit board, it is described
Printed circuit board flat-plate transformer further include be each passed through each second aperture and with the corresponding second pad solder phase
Seven root cutting needles even, each contact pin pass through each corresponding second aperture of two sets of secondary windings.
Further, corresponding three contact pins at the two corners of second connecting plate end and middle part stretch out stacking and set
Second printed circuit board described in the multilayer set forms whole one side and forms second pin.
The beneficial effect of printed circuit board flat-plate transformer provided by the utility model is: compared with prior art,
First printed circuit board of the utility model armature winding is by setting the first Circular Plate and the first connecting plate, and the of secondary windings
Two printed circuit boards, which pass through, is arranged the second Circular Plate and the second connecting plate, after the first Circular Plate and the second annulus board stacking, wherein
It is formed centrally through-hole, the magnetic pole of magnetic core is inserted into through-hole；And the first connecting plate and the second connecting plate are located at the two sides of through-hole,
Then the first connecting plate and the second connecting plate can stretch out the two sides of magnetic core respectively, with convenient to use, and facilitate differentiation and assembling.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the overlooking structure diagram of printed circuit board flat-plate transformer provided by the embodiment of the utility model；
Fig. 2 is the left view structural representation of the printed circuit board flat-plate transformer of Fig. 1；
Fig. 3 is the backsight structural representation of the printed circuit board flat-plate transformer of Fig. 1；
Fig. 4 is the positive structure diagram of the printed circuit board flat-plate transformer of Fig. 1；
Fig. 5 is the schematic perspective view of armature winding and secondary windings in the printed circuit board flat-plate transformer of Fig. 1
One；
Fig. 6 is the schematic perspective view of armature winding and secondary windings in the printed circuit board flat-plate transformer of Fig. 1
Two.
Wherein, each attached drawing main mark in figure:
10- magnetic core；11- magnet frame；12- magnetic pole；15- insulating tape；20- armature winding；The first printed circuit board of 21-；
The first Circular Plate of 211-；The first connecting plate of 212-；The first pad of 2121-；The first pin of 22-；30- secondary windings；31- second prints
Printed circuit board；The second Circular Plate of 311-；The second connecting plate of 312-；The second pad of 3121-；32- contact pin；33- second pin；40-
Coil；41- insulating layer；45- through-hole.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined." several " are meant that one or more, unless otherwise clearly specific limit
It is fixed.
In the description of the present invention, it should be understood that term " center ", " length ", " width ", " thickness ",
The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
Also referring to Fig. 1 to Fig. 6, now printed circuit board flat-plate transformer provided by the utility model is said
It is bright.The printed circuit board flat-plate transformer, including magnetic core 10, armature winding 20 (i.e. primary side winding) and secondary windings 30
(i.e. vice-side winding), armature winding 20 and secondary windings 30 are mounted on magnetic core 10.
Armature winding 20 includes the first printed circuit board of multilayer 21, and the first printed circuit board of multilayer 21 is stacked, and each the
One printed circuit board 21 includes the first Circular Plate 211 and the first connecting plate 212, and the first connecting plate 212 is by the first Circular Plate 211
Side is extended, and the first Circular Plate 211 is equipped with coil 40, and the both ends of coil 40 extend on the first connecting plate 212, multilayer
The coil 40 of first printed circuit board 21 is connected.The first Circular Plate 211 is arranged in each first printed circuit board 21, then corresponds to coil
40 are arranged in the first Circular Plate 211, and coil 40 is arranged in circular ring shape, then can reduce the corner angle on coil 40, thus
When an electric current passes through it, loss can be reduced, improve current density, increase power, reduce the heat of generation.
Secondary windings 30 includes the second printed circuit board of multilayer 31, and the second printed circuit board of multilayer 31 is stacked, and each the
Two printed circuit boards 31 include the second Circular Plate 311 and the second connecting plate 312 extended by two sides of the second Circular Plate 311,
Second Circular Plate 311 is equipped with coil 40, and the both ends of coil 40 extend on the second connecting plate 312, secondary windings 30 it is more
The coil 40 of the second printed circuit board 31 of layer is connected.The second Circular Plate 311 is arranged in each second printed circuit board 31, then corresponds to line
Circle 40 is arranged in the second Circular Plate 311, and coil 40 is arranged in circular ring shape, then can reduce the corner angle on coil 40, from
And when an electric current passes through it, loss can be reduced, improve current density, increase power, reduce the heat of generation.
When secondary windings 30 is mounted on armature winding 20, the first Circular Plate 211 of the first printed circuit board of multilayer 21
It is laminated with the second Circular Plate 311 of the second printed circuit board 31, center cooperatively forms through-hole 45, i.e. the first Circular Plate 211
Centre bore and the centre bore of the second Circular Plate 311 cooperatively form through-hole 45
Magnetic core 10 has magnetic pole 12 and magnet frame 11；Magnet frame 11 is set to around armature winding 20 and secondary windings 30, magnetic pole 12
In magnet frame 11, both sides opposite with magnet frame 11 are connected respectively at the both ends of magnetic pole 12.
In the cooperation insertion through-hole 45 of magnetic pole 12, armature winding 20 and secondary windings 30 are wound on magnetic core 10.Into one
Step ground, the internal diameter of the diameter and through-hole 45 of magnetic pole 12 matches, then magnetic pole 12 can be arranged it is relatively large, so that magnetic pole 12 can
It is thermally conductive preferably to carry out, and be transmitted on magnet frame 11, improve radiating efficiency.
Printed circuit board flat-plate transformer provided by the utility model, compared with prior art, the utility model are primary
First printed circuit board 21 of winding 20, which passes through, is arranged the first Circular Plate 211 and the first connecting plate 212, and the second of secondary windings 30
Printed circuit board 31 passes through the second Circular Plate 311 of setting and the second connecting plate 312, the first Circular Plate 211 and the second Circular Plate 311
After stacking, it is centrally formed through-hole 45, the magnetic pole 12 of magnetic core 10 is inserted into through-hole 45；And the first connecting plate 212 and second connects
Fishplate bar 312 is located at the two sides of through-hole 45, then the first connecting plate 212 and the second connecting plate 312 can stretch out magnetic core 10 respectively
Two sides, with convenient to use, and facilitate differentiation and assembling.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, secondary windings 30 are two sets of parallel connection, and two sets of secondary windings 30 are respectively arranged on armature winding 20
Two sides；It so that the induced magnetic field generated in armature winding 20 can preferably enter secondary windings 30, improves efficiency, reduces damage
It loses.
Further, also referring to Fig. 1 to Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the diameter of magnetic pole 12 are greater than or equal to four times of each 40 width of coil, thus in each first print
The heat that the work of the coil 40 of printed circuit board 21 and each second printed circuit board 31 generates, on the one hand can shed, and can be with
It is exported from magnetic pole 12, while the heat generated in magnetic pole 12, can also preferably be exported, radiating efficiency is made to obtain biggish mention
It rises, so as to preferably improve the current density of coil 40, improves the power of the printed circuit board flat-plate transformer.
The magnetic pole 12 of magnetic core 10 is matched with through-hole 45, and the diameter of magnetic pole 12 is set and is greater than or equal to each coil 40
Four times of width, with better magnetic conduction, improve efficiency, and reduce the heat of generation, while can radiate by magnetic pole 12, and
Conduction to magnet frame 11 radiates, and radiating efficiency is improved, to can reduce volume while improving power.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the width of each coil 40 are 5.5mm.5.5mm, Ke Yiti are set by the width of each coil 40
Its high heat dissipation performance and the density by electric current.Correspondingly, the diameter of magnetic pole 12 is greater than or equal to 22mm.
Further, the coil 40 in each first printed circuit board 21 is made by copper foil.In each second printed circuit board 31
Coil 40 made by copper foil.
Further, two sets of secondary windings 30 can be symmetricly set on the two sides of armature winding 20, to facilitate setting and group
Dress.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the cross-sectional area range of each coil 40 are 1.0mm2~1.2mm2, so as to can be in coil 40
By biggish electric current, the power of the printed circuit board flat-plate transformer is improved, guarantees the printed circuit board plate transformation
Device current range is in 30A~35A stability of characteristics.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, each first connecting plate 212 are equipped with the first pad 2121, so that two neighboring first printing electricity
Plate 21 coil 40 in road can be connected by the first pad 2121, to facilitate two neighboring first printed circuit board, 21 coil
40 series connection, while also facilitating connection external circuit, it is easy to use.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, at least two first apertures on each first connecting plate 212, armature winding 20 further includes wearing respectively
Each coil 40 of the first pin 22 crossing each first aperture and being fixedly linked with corresponding first connecting plate 212, armature winding 20 is gone here and there
The both ends that connection forms winding are electrical connected with two the first pins 22 respectively.First pin 22 is set, to facilitate connection external electrical
Road.Certainly, in some other embodiment, it can be welded by the first pad 2121 and draw lead.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the width of the coil 40 in each first Circular Plate 211 are less than the width of first Circular Plate 211
Degree, and four sides of 40 cross section of coil are respectively equipped with insulating layer, equally, in the four of 40 cross section of coil on the first connecting plate 212
Side is respectively equipped with insulating layer, it can protection coil 40, and short circuit can be prevented.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the second connecting plate 312 are equipped with seven the second pads 3121；Two neighboring second printed circuit
31 coil 40 of plate is through corresponding second pad 3121 series connection.The structure can be convenient two neighboring printed circuit board coil 40
Series connection, while also facilitating connection external circuit, it is easy to use.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the width of the coil 40 in each second Circular Plate 311 are less than the width of second Circular Plate 311
Degree, and four sides of 40 cross section of coil are respectively equipped with insulating layer 41, equally, in 40 cross section of coil on the second connecting plate 312
Four sides are respectively equipped with insulating layer 41, it can protection coil 40, and short circuit can be prevented.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, seven the second pad 3121 settings are in a column, the setting of the two neighboring interval of second pad 3121.
The structure facilitates design and layout, while also facilitating connection external circuit.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device offers the second aperture in each second pad 3121 on each second printed circuit board 31, just
Grade winding 20 further includes the seven root cutting needles 32 for being each passed through each second aperture and being weldingly connected with corresponding second pad 3121.It uses
Contact pin 32 is weldingly connected with the second pad 3121 on each second printed circuit board 31, then can will be on each stacking corresponding position
Second pad 3121 is weldingly connected, can be by the both ends of the coil 40 of each second printed circuit board 31 such as when making coil 40
It is connected respectively from the second different pads 3121, and then by the coil of the second printed circuit board of multilayer 31 of each set secondary windings 30
40 series connection.And each contact pin 32 passes through each corresponding second aperture of two sets of secondary windings 30, and two sets of secondary windings 30 are in parallel,
It is easy to connect, firm.
Further, also referring to Fig. 5 and Fig. 6, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the corresponding three root cuttings needle 32 at the two corners of 312 end of the second connecting plate and middle part stretch out stacking
The second printed circuit board of multilayer 31 of setting forms whole one side and forms second pin 33.To facilitate connection external circuit.
Certainly, in some other embodiment, it can be welded by the second pad 3121 and draw lead.
Further, also referring to Fig. 1 to Fig. 5, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, magnetic core 10 include two and half magnets (not marking in figure) for mutually fastening setting, fifty-fifty magnet
Magnetic guide post including U-shaped frame and in U-shaped frame, two magnetic guide posts cooperatively form magnetic pole 12, and two U-shaped framves cooperatively form magnet frame
11.Magnetic core 10 is formed using two and half magnet combinations, and the magnetic guide post of fifty-fifty magnet cooperatively forms magnetic pole 12, and two U-shaped framves
Magnet frame 11 is cooperatively formed, it is easy to assembly, while being also easily installed on armature winding 20 and secondary windings 30.
Further, two and half magnet dispensings are fixed, and are fixedly connected with two and half magnets with facilitating.
Further, also referring to Fig. 1 to Fig. 5, as printed circuit board plate transformation provided by the utility model
The inner wall of the through-hole 45 formed on a kind of specific embodiment of device, armature winding 20 and secondary windings 30 and 12 dispensing of magnetic pole are solid
It is fixed, it is fixed conveniently, stablizes.
Further, also referring to Fig. 1 to Fig. 5, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, the quantitative range of the first printed circuit board 21 is 6-12, each to cover the second of secondary windings 30
The quantitative range of printed circuit board 31 is 5-10.Preferentially, the quantity of the first printed circuit board 21 is 6, and respectively covers secondary
The quantity of second printed circuit board 31 of winding 30 is 5.
Further, also referring to Fig. 1 to Fig. 5, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, 40 quantity of coil of armature winding 20 are with 40 ratio of number of coil of each set secondary windings 30
1.2:1 to guarantee that the printed circuit board flat-plate transformer has good reliability and stability, while having biggish function
Rate and greater efficiency, lesser loss.
Further, also referring to Fig. 1 to Fig. 5, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, printed circuit board flat-plate transformer further include being wound on magnet frame 11 and being fixedly connected two
The insulating tape 15 of half magnet.Setting insulating tape 15 is wound on magnet frame 11, can be convenient and two and half magnets are fixedly linked.
Further, the welding of each first pin 22 and the first pad 2121 can use Sn10Pb solder, and solder is consolidated
Fusing point is at 268 degree, and liquid fusing point is at 301 degree, the reliability of solder joint when guaranteeing Reflow Soldering (245 degree of maximum temperature), and then realizes
Printed circuit board flat-plate transformer good reliability.
Further, the welding of each contact pin 32 and the second pad 3121 can use Sn10Pb solder, the solid fusing point of solder
At 268 degree, liquid fusing point is at 301 degree, the reliability of solder joint when guaranteeing Reflow Soldering (245 degree of maximum temperature), and then realizes printing
Circuit board type flat-plate transformer good reliability.
The manufacture craft that first printed circuit board 21 enters the second printed circuit board 31 is as follows:
Substrate is set, the film is made on substrate, then drill, then carries out nog plate；After nog plate, drilling is carried out
Hole processing, then be surface-treated, carry out nog plate processing again later；Then press mold is carried out, then is exposed, is developed later,
Then it is surface-treated, then carries out graphics process；It after graphics process, carries out moving back film, then carries out route production, then be layered place
Reason, carries out nog plate, then carry out successively brownification later, and lamination, lamination process, deburring again, then successively drills again later,
Nog plate, hole processing, surface treatment, nog plate, press mold expose, develop, surface treatment, graphics process, move back film, route production, layering
Processing, nog plate, pad handle and around composing types.
Further, also referring to Fig. 1 to Fig. 5, as printed circuit board plate transformation provided by the utility model
The end face of a kind of specific embodiment of device, the first connecting plate 212 is formed to the distance between the end face of the second connecting plate 312 H2
The length of the printed circuit board flat-plate transformer；In the present embodiment, the end face of the first connecting plate 212 to the second connecting plate 312
The distance between end face H2 be 38.5mm；The height H3 of magnet frame 11 forms the height of the printed circuit board flat-plate transformer,
The height H3 of magnet frame 11 is 32mm；The length H1 of magnet frame 11 forms the width of the printed circuit board flat-plate transformer, magnet frame 11
Length H1 be 21.5mm；So that the power of the printed circuit board flat-plate transformer can achieve 1500W, power is big, volume
It is small.Further, the equal length of the width of the second connecting plate 312 and magnet frame 11.
Further, also referring to Fig. 1 to Fig. 5, as printed circuit board plate transformation provided by the utility model
A kind of specific embodiment of device, two the first pins 22 on armature winding 20 are respectively formed 4,5 two terminals, secondary windings
Three second pins 33 on 30 are respectively formed 1,2,3 three terminal.
In the present embodiment, the electrical parameter of the printed circuit board flat-plate transformer of production can achieve the parameter such as following table:
Printed circuit board flat-plate transformer electrical parameter
In upper table, 4-5 indicates that test lead is two the first pins 22, i.e., 4,5 terminals；1-2 indicates that test lead is 1,2 ends
Son；2-3 indicates that test lead is 2,3 terminals；N (4-5) indicates winding coil 40 the number of turns between 4,5 terminals, i.e. armature winding 20
40 the number of turns of coil；N (1-3) indicates 40 the number of turns of winding coil between 1,2,3 terminals, i.e. 40 the number of turns of coil of secondary windings 30.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. printed circuit board flat-plate transformer, including magnetic core, armature winding and secondary windings, it is characterised in that: the primary
Winding includes the first printed circuit board of multilayer being stacked, and each first printed circuit board is including the first Circular Plate and by institute
The first connecting plate that the side of the first Circular Plate is extended is stated, first Circular Plate is equipped with coil, and the two of the coil
End extends on first connecting plate, the coil series connection of the first printed circuit board described in multilayer；The secondary windings includes layer
The second printed circuit board of multilayer of folded setting, each second printed circuit board is including the second Circular Plate and by second annulus
The second connecting plate that two sides of plate are extended, second Circular Plate is equipped with coil, and the both ends of the coil extend to institute
It states on the second connecting plate, the coil series connection of the second printed circuit board described in the multilayer of each secondary windings；First annulus
The centre bore of plate and the centre bore of second Circular Plate cooperatively form through-hole；There is the magnetic core cooperation to be inserted into the through-hole
Magnetic pole and magnet frame around the armature winding and the secondary windings, the magnetic pole is in the magnet frame, the magnetic pole
Both sides opposite with the magnet frame are connected respectively at both ends；First connecting plate and second connecting plate are located at described
The two sides of through-hole.
2. printed circuit board flat-plate transformer as described in claim 1, it is characterised in that: the secondary windings is in parallel
Two sets, two sets of secondary windings are respectively arranged on the two sides of the armature winding.
3. printed circuit board flat-plate transformer as described in claim 1, it is characterised in that: the diameter of the magnetic pole be greater than or
Equal to four times of each coil width.
4. printed circuit board flat-plate transformer as described in claim 1, it is characterised in that: the width of each coil is
5.5mm。
5. printed circuit board flat-plate transformer as claimed in claim 4, it is characterised in that: the cross section face of each coil
Product range is 1.0mm2~1.2mm2。
6. printed circuit board flat-plate transformer as described in claim 1, it is characterised in that: set on each first connecting plate
There is the first pad of the two neighboring first printed circuit board coil of connecting.
7. printed circuit board flat-plate transformer as claimed in claim 6, it is characterised in that: each first connecting plate up to
Few two the first apertures, the armature winding further include be each passed through each first aperture and with corresponding first connecting plate
The first pin being fixedly linked, each coil of the armature winding, which is connected, to be formed the both ends of winding and draws respectively with two described first
Foot is electrical connected.
8. printed circuit board flat-plate transformer as described in claim 1, it is characterised in that: second connecting plate is equipped with
Seven the second pads；The two neighboring second printed circuit board coil is connected through correspondence second pad, described in seven
The setting of second pad is in a column, the setting of two neighboring second pad interval.
9. printed circuit board flat-plate transformer as claimed in claim 8, it is characterised in that: each second printed circuit board
On offer the second aperture in each second pad, the printed circuit board flat-plate transformer further include be each passed through it is each
Second aperture and seven root cutting needles being connected with corresponding second pad solder, each contact pin is across two sets of secondary
Each corresponding second aperture of winding.
10. printed circuit board flat-plate transformer as claimed in claim 9, it is characterised in that: second connecting plate end
Two corners at and corresponding three contact pins in middle part stretch out the second printed circuit board described in the multilayer being stacked and form entirety
One side and form second pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101473.0U CN208806128U (en) | 2018-07-11 | 2018-07-11 | Printed circuit board flat-plate transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101473.0U CN208806128U (en) | 2018-07-11 | 2018-07-11 | Printed circuit board flat-plate transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208806128U true CN208806128U (en) | 2019-04-30 |
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ID=66228614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821101473.0U Active CN208806128U (en) | 2018-07-11 | 2018-07-11 | Printed circuit board flat-plate transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065337A (en) * | 2018-07-11 | 2018-12-21 | 深圳振华富电子有限公司 | Printed circuit board flat-plate transformer |
-
2018
- 2018-07-11 CN CN201821101473.0U patent/CN208806128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065337A (en) * | 2018-07-11 | 2018-12-21 | 深圳振华富电子有限公司 | Printed circuit board flat-plate transformer |
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