CN2802898Y - Electronic transformer for low-tension lamp - Google Patents
Electronic transformer for low-tension lamp Download PDFInfo
- Publication number
- CN2802898Y CN2802898Y CN 200520058819 CN200520058819U CN2802898Y CN 2802898 Y CN2802898 Y CN 2802898Y CN 200520058819 CN200520058819 CN 200520058819 CN 200520058819 U CN200520058819 U CN 200520058819U CN 2802898 Y CN2802898 Y CN 2802898Y
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- lower cover
- cover plate
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- groove
- plastic cement
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- Expired - Lifetime
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- 238000004804 winding Methods 0.000 claims abstract description 51
- 239000004568 cement Substances 0.000 claims description 45
- 230000003044 adaptive effect Effects 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000011810 insulating material Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 241000237509 Patinopecten sp. Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 235000020637 scallop Nutrition 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- -1 tungsten halogen Chemical class 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
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Abstract
The utility model relates to an electronic transformer for a low-tension lamp, which mainly comprises an outer shell, an electronic control circuit and a voltage converting and isolating transformer, wherein the electronic control circuit and a coil having a magnetic core are arranged between an upper and a lower cover plates, and the outer side of the lower cover plate is provided with a concave slot of a matching coil winding, corresponding wire threading holes and the center holes of the cover plates; a secondary winding of the voltage converting and isolating transformer is embedded in the slot via the center holes of the cover plates, the wire threading holes and the center holes of the coil having a magnetic core, and the upper and the lower cover plates are buckled together. A low-tension secondary winding coil of an assembled electronic transformer is arranged in the slot, and the top point of the slot is on the same level of the plane surfaces of the upper and the lower cover plates. The outer surface of the winding coil can be processed by high-strength insulating materials since the winding coil is exposed on the upper and the lower cover plates. The technology is not only suitable for the electronic transformer for a low-tension lamp, but also suitable for other various power supply adaptors and convertors or transformers having safe and low-tension output and requiring small sizes.
Description
Technical field
The utility model relates to a kind of electronic transformer, particularly a kind of low pressure electronic lamp transformer.
Background technology
The low-pressure lamp of Xiao Shouing in the market as quartz tungsten halogen lamp, because its color rendering index height, can closely throw and characteristics such as safe in utilization, has been widely used in various places such as commerce, household.But its operate as normal need be the step-down transformer of its power supply, civil power is converted to isolates and safe low-voltage.At present, the voltage transitions isolating transformer in this type of electronic transformer generally all is that primary coil, secondary coil are finished in coiling on magnetic core, and after insulation-encapsulated disposes, is installed in the shell of electronic transformer.Shell separates this voltage transitions isolating transformer and the external world fully.This structure wants further to reduce the thickness of electronic transformer, wherein reduce the voltage transitions isolating transformer height be crucial, also problem that is difficult to break through.Because it is a power-type magnetoelectricity device, only reduce material thickness, its security compliance, product reliability will not reach requirement, as simple reduction magnetic core thickness, the rapid deterioration of magnetic property and magnetic core mechanical strength properties will be caused, even product is with cisco unity malfunction.And at present the city and on, when low pressure quartz tungsten halogen lamp product being applied in the furnitures such as kitchen cabinet, the electronic transformer product of extremely wishing supporting installation can ultra-thinization, can not account for too greatly, too high space, good heat dissipation, in order to avoid normal use of people brought inconvenience, owing to the specific (special) requirements of various installing spaces and assembling, people wish that also electronic transformer product lighter, thinner, attractive in appearance is arranged in addition.
Summary of the invention
The purpose of this utility model is the technological difficulties at above-mentioned electronic transformer, and a kind of light, thin thickness is provided, and is attractive in appearance and more convenient to use, and perfect heat-dissipating can meet the electronic transformer of relevant international safety standard again.
The purpose of this utility model is achieved by the following scheme:
A kind of low pressure electronic lamp transformer mainly comprises shell, electronic control circuit, voltage transitions isolating transformer, and wherein, shell is divided into upper cover plate 1 and lower cover 2; The magnetic core coil 6 of electronic control circuit, voltage transitions isolating transformer is at upper cover plate 1 and between lower cover 2; The concave channels 9 of the adaptive coil windings of lower cover 2 arranged outside and corresponding cable-through hole 10, cover central hole 12; The winding of voltage transitions isolating transformer is entrenched in the groove 9 by the centre bore of cover central hole 12 and cable-through hole 10, magnetic core coil 6, and upper cover plate 1 fastens with lower cover 2.
The concave channels 15 of the adaptive coil windings of upper cover plate 1 arranged outside and corresponding cable-through hole 16, cover central hole 17; Upper cover plate 1 fastens with lower cover 2; The cover central hole 12 of the winding of voltage transitions isolating transformer by lower cover 2 and the centre bore of the cover central hole 17 of cable-through hole 10, upper cover plate 1 and cover plate cable-through hole 16, magnetic core coil 6 are entrenched in groove 9 and the groove 15.
According to above-mentioned basic structure, can also be that the plastic cement insulating sleeve 3 of magnetic core coil 6 is set between upper cover plate 1 and the lower cover 2; Plastic cement insulating sleeve 3 centers are provided with centre bore 13, and the top is provided with the groove 7 of adaptive coil windings; Magnetic core coil 6 places between plastic cement insulating sleeve 3 and the lower cover 2; The winding of voltage transitions isolating transformer is entrenched in groove 7 and the groove 9 by the centre bore 13 of plastic cement insulating sleeve 3, centre bore, lower cover centre bore 12 and the cable-through hole 10 of magnetic core coil 6.
Groove 7 is at the top of plastic cement insulating sleeve 3, forms to exceed the flat and outstanding groove of seam types 11 in plastic cement insulating sleeve 3 tops, and the seam projecting height equals the wall thickness of upper cover plate 1; Hole 8 is set, in the groove 7 suitability embedded holes 8 on the upper cover plate 1.
Plastic cement insulating sleeve 3 is the shape of falling the pan, and magnetic core coil 6 places in the plastic cement insulating sleeve 3.
Cable-through hole 14 is arranged in the groove 7, and leans on the outer end, top of plastic cement insulating sleeve 3.Winding can penetrate lower cover cable-through hole 10 through cable-through hole 14 from groove 7.
Because the winding coil of the electronic transformer that assembles exposes on upper cover plate or lower cover, the winding coil appearance can be handled with high-intensity insulating material, guarantee that coiling and whole transformer safety problem can not occur.
In order to prevent under extreme case, to use, damage the insulating barrier on the secondary coil that exposes, can also on cover plate lateral surface coil, paste one deck protection film.
Compared with prior art; because upper cover plate of the present utility model or lower cover are provided with the groove of adaptive winding; can be with cover plate itself as bobbin, Transformer Winding directly is wound on the cover plate of outer casing, and need not be at the outside protective package shell that increases in addition of Transformer Winding.Therefore, adaptive winding is set on upper cover plate or the lower cover, the thickness of electronic transformer is reduced by at least about an about 2MM of cover plate wall thickness; If be provided with adaptive winding on upper cover plate and the lower cover simultaneously, the thickness of electronic transformer is reduced by at least about two about 4～5MM of cover plate wall thickness.
If take, and can allow the electric coil of coiling embeds this hole adaptedly on the plastic cement insulating sleeve, thereby can make beneficial plate to about the about 2MM of at least one cover plate wall thickness of lower cover direction indentation in upper cover plate perforate of the present utility model.Again owing to also be provided with the groove of adaptive winding on the lower cover, can electric coil is adaptive in this groove, with the lower cover wooden partition directly as the skeleton of coil, thereby, also can make about the about 2MM of at least one wall thickness of reduced down in thickness of transformer.Adopt this kind structure, also can make the thickness of electronic transformer reduce by 4～5MM altogether.
Owing to isolated with plastic cement insulating sleeve, cavity volume, flange between two high-low pressure windings, increased the creepage distance between the high-low pressure winding, make electricity isolation more safely between two windings.
Be exposed on upper cover plate or the lower cover because winding is directly outer, and be regular arrangement, not only strengthened the aesthetics of electronic transformer appearance, transformer is dispelled the heat easily.In actual use, seem light, attractive in appearance, it is littler to take up room, more convenient and other ornamental knot member assembling.
This technology is not only applicable to the low-pressure lamp electronic transformer, is applicable to all kinds of power supply adaptors, converter or transformer that other are output as safe low pressure and require slimming yet.
Description of drawings
Description of drawings is as follows:
Fig. 1 is the perspective view of embodiment one of the present utility model;
Fig. 2 is the perspective view of embodiment two of the present utility model;
Fig. 3 is the secondary coil assembly process figure of embodiment two of the present utility model;
Fig. 4 is upper cover plate and the lower cover installation diagram of embodiment two of the present utility model;
Fig. 5 is the front view of the utility model product;
Fig. 6 is the vertical view of the utility model product;
Among the figure, upper cover plate 1, lower cover 2, plastic cement insulating sleeve 3, cavity volume 4, cavity volume inward flange 5, magnetic core coil 6, plastic cement insulating sleeve groove 7, loam cake plate hole 8, lower cover concave channels 9, cable-through hole 10, plastic cement insulating sleeve upper plane 11, lower cover centre bore 12, plastic cement insulating sleeve centre bore 13, plastic cement insulating sleeve cable-through hole 14, upper cover plate concave channels 15, upper cover plate cable-through hole 16, upper cover plate centre bore 17.
Below in conjunction with accompanying drawing the utility model is further described.
One of embodiment:
As shown in Figure 1, the utility model mainly is made up of shell, electronic control circuit, voltage transitions isolating transformer, and wherein, shell is divided into upper cover plate 1 and lower cover 2.The good elementary winding of coiling and make insulation processing at first on magnetic core forms the magnetic core winding 6 of voltage transitions isolating transformer.Magnetic core coil 6 is up and down between the cover plate; This magnetic core winding 6 is circular, can certainly be oval, square other geometries that waits.When magnetic core winding 6 was different geometries such as circular or oval, square, the shape of cavity volume 4 and cavity volume inward flange 5 was also made corresponding suitability and is changed.
As Fig. 1, shown in Figure 5, at the concave channels 9 of the adaptive coil windings of lower cover 2 arranged outside and corresponding cable-through hole 10, cover central hole 12.
As shown in Figure 1, the concave channels 15 of the adaptive coil windings of upper cover plate 1 arranged outside and corresponding cable-through hole 16, cover central hole 17; Upper cover plate 1 fastens with lower cover 2, and the secondary winding of voltage transitions isolating transformer is entrenched in groove 9 and the groove 15 by centre bore, cover central hole 17 and the cable-through hole 16 of cover central hole 12 and cable-through hole 10, magnetic core coil 6.Like this, cover plate itself is as bobbin up and down, and Transformer Winding directly is wound on the cover plate of outer casing.In actual applications, the winding of voltage transitions isolating transformer can only be arranged on one of them cover plate of upper cover plate and lower cover, and as lower cover 2, just the reduced down in thickness amount of electronic transformer is lacked about 2MM, but can be convenient to maintenance.
As shown in Figure 1, upper cover plate 1 or lower cover 2 inboards also be fixedly connected with circular cavity volume 4 and can with the flange 5 of the adaptive installation of endoporus of magnetic core coil 6; Flange 5 centers are cover central holes 12.Magnetic core coil 6 places between cavity volume 4 and the flange 5.In actual applications, cavity volume 4 or flange 5 can be set.Also can be simultaneously or optional one cover plate inboard cavity volume 4, flange 5 are set, and cavity volume 4, flange 5 can be fixedlyed connected with cover plate, also can be separable connection.Secondly, cavity volume 4, flange 5 also can be that selectivity is suitable for, and not necessarily must be provided with simultaneously.But preferably cover plate is fixedlyed connected with cavity volume 4, flange 5, and cover plate is provided with cavity volume 4, flange 5 simultaneously up and down.Up and down between the cavity volume, go up preferably inside and outside chimeric adaptive installation between the lower flange, thereby increase creepage distance between the transformer high-low pressure winding, improve fail safe.
Two of embodiment:
Shown in Fig. 2,3,4, be to implement another structure of the present utility model, scallop hole 8 is set on the upper cover plate 1, also be provided with the plastic cement insulating sleeve 3 of protection magnetic core coil 6 up and down between the cover plate.Employing is provided with the structure of secondary winding on plastic cement insulating sleeve 3, substitute the structure that secondary winding directly is set on upper cover plate.
As shown in Figure 2, lower cover 2 inboard fixedly connected circular cavity volumes 4, flange 5, flange 5 centers are lower cover centre bores 12.In actual applications, cavity volume 4 or flange 5 also can be set.
As shown in Figure 2, plastic cement insulating sleeve 3 is down flat circular pot shape, and the center is provided with centre bore 13, and with cavity volume 4 inside and outside chimeric adaptive installations, magnetic core coil 6 places in the space of formation between the cavity volume 4, flange 5 of plastic cement insulating sleeve 3 and lower cover 2.The top of plastic cement insulating sleeve 3 is provided with the groove 7 and the cable-through hole 14 of adaptive winding.In actual applications, plastic cement insulating sleeve 3 also can be to be plane.In addition, if cavity volume 4 and flange 5 are not set, plastic cement insulating sleeve 3 can use separately, does not have the structure with cavity volume 4 chimeric adaptive installations.But so all be the structure that is equal to application.
As shown in Figure 2, groove 7 is at the top of plastic cement insulating sleeve 3, and many grooves are arranged and are fan-shaped, forms the outstanding groove of the seam type that exceeds plastic cement insulating sleeve 3 top plan 11, and the seam projecting height approximates the wall thickness of upper cover plate 1.As shown in Figure 4, go up on the beneficial plate 1 scallop hole 8 is set, allow in the fan-shaped groove 7 suitability embedded holes 8, guarantee that the summit of groove 7 and the lateral surface of upper cover plate 1 are in same plane.Certainly, in actual use, groove 7 also can be set to the chase groove concordant with plane 11, and is like this then shape size hole 8 must be adaptive with the shaped upper part of plastic cement insulating sleeve 3, thus allow the top of plastic cement insulating sleeve 3 can whole embedded hole 8 in.Like this, the top suitability of plastic cement insulating sleeve 3 embeds upper cover plate and exposes, and directly as the part on upper cover plate surface, is equivalent to the thickness of upper cover plate to a cover plate wall of lower cover direction indentation.
In actual applications, this cavity volume 4 both can be fixedlyed connected with lower cover 2 with flange 5, also can be separable connection, all was the application of equivalent technologies.But preferably fixedly connected, and cavity volume 4 and the 3 preferably inside and outside chimeric adaptive installations of plastic cement insulating sleeve.Thereby increase creepage distance between the transformer high-low pressure winding, improve security reliability.
As Fig. 2, shown in Figure 5,, the concave channels 9 of adaptive coil windings and corresponding cable-through hole 10, lower cover centre bore 12 are set in the corresponding position of lower cover 2 outsides and cavity volume 4.
As shown in Figure 3, the secondary winding of voltage transitions isolating transformer is entrenched in groove 7 and the groove 9 by centre bore 13, centre bore, lower cover centre bore 12 and the cable-through hole 10 of magnetic core coil 6, the cable-through hole 14 of plastic cement insulating sleeve 3.Lower cover 2, plastic cement insulating sleeve 3 not only as the bobbin of secondary coil, also can be isolated primary coil and secondary coil.
As shown in Figure 2, cable-through hole 14 is arranged in the groove 7, and leans on the outer end, top of plastic cement insulating sleeve 3.Winding seals in lower cover cable-through hole 10 from groove 7 through cable-through hole 14.In actual applications, cable-through hole 14 can be set, when the coiling secondary coil, the lateral wall that coil can be walked around plastic cement insulating sleeve 3 penetrates the cable-through hole 10 of lower cover 2.All be the scheme that is equal to application so.
As Fig. 5, shown in Figure 6, the groove 9 that is provided with on the lower cover 2 is chase grooves, and the lateral surface of the summit of groove 9 and lower cover 2 is in same plane.
The internal depth of groove 7 and groove 9 is the best to guarantee that coiling back secondary coil can not exceed the groove summit.In each groove of groove 7 and groove 9, place the above secondary coil of 1 circle or 1 circle.The number of the arrangement of groove 7 or groove 9 can precompute and do corresponding setting according to actual needs.
Above-mentioned two kinds of electronic transformers that scheme assembled, the low-voltage secondary winding coil places in the groove, and the groove summit is concordant with the upper and lower covers board plane.But, guarantee that low pressure coiling and whole transformer safety problem can not occur because the winding coil of the electronic transformer that assembles can be handled the winding coil appearance exposing on the cover plate up and down with high-intensity insulating material.Secondary coil is exposing on the cover plate up and down, and the lines of formation rule seem very attractive in appearance, and possess radiating effect.
If in order to prevent under extreme case, to use, damage the insulating barrier on the low-voltage secondary coil that exposes, can also on cover plate lateral surface coil, paste one deck protection film, this protecting film also can be a label.
Be output as safe low pressure and require all kinds of power supply adaptors, converter of slimming or during transformer if the utility model technology is made other, electronic control circuit is prerequisite member not necessarily just.
Claims (9)
1. a low pressure electronic lamp transformer mainly comprises shell, electronic control circuit, voltage transitions isolating transformer, and wherein, shell is divided into upper cover plate (1) and lower cover (2); The magnetic core coil of electronic control circuit, voltage transitions isolating transformer (6) places upper cover plate (1) and between lower cover (2); It is characterized in that: the concave channels (9) of the adaptive coil windings of lower cover (2) arranged outside and corresponding cable-through hole (10), lower cover centre bore (12); The winding of voltage transitions isolating transformer is entrenched in the groove (9) by the centre bore of cover central hole (12) and cable-through hole (10), magnetic core coil (6), and upper cover plate (1) fastens with lower cover (2).
2. a kind of low pressure electronic lamp transformer according to claim 1 is characterized in that: the concave channels (15) of the adaptive coil windings of upper cover plate (1) arranged outside and corresponding cable-through hole (16), cover central hole (17); Upper cover plate (1) fastens with lower cover (2); The cover central hole (12) of the winding of voltage transitions isolating transformer by lower cover (2) and the centre bore of the cover central hole (17) of cable-through hole (10), upper cover plate (1) and cover plate cable-through hole (16), magnetic core coil (6) are entrenched in groove (9) and the groove (15).
3. a kind of low pressure electronic lamp transformer according to claim 1 is characterized in that: the plastic cement insulating sleeve (3) that magnetic core coil (6) is set between upper cover plate (1) and the lower cover (2); Plastic cement insulating sleeve (3) center is provided with centre bore (13), and the top is provided with the groove (7) of adaptive coil windings; Magnetic core coil (6) places between plastic cement insulating sleeve (3) and the lower cover (2); The winding of voltage transitions isolating transformer is entrenched in groove (7) and the groove (9) by the centre bore (13) of plastic cement insulating sleeve (3), centre bore, lower cover centre bore (12) and the cable-through hole (10) of magnetic core coil (6).
4. a kind of low pressure electronic lamp transformer according to claim 3, it is characterized in that: groove (7) is at the top of plastic cement insulating sleeve (3), formation exceeds the outstanding groove of seam type of plastic cement insulating sleeve (3) top plan (11), and the seam projecting height equals the wall thickness of upper cover plate (1); Hole (8) is set, in groove (7) the suitability embedded hole (8) on the upper cover plate (1).
5. according to claim 3 or 4 described a kind of low pressure electronic lamp transformers, it is characterized in that: plastic cement insulating sleeve (3) is the shape of falling the pan, and magnetic core coil (6) places in the plastic cement insulating sleeve (3).
6. a kind of low pressure electronic lamp transformer according to claim 5, it is characterized in that: cable-through hole 14 is arranged in plastic cement insulating sleeve (3) top channel (7), and by the outer end, top of plastic cement insulating sleeve (3), winding penetrates lower cover cable-through hole (10) from groove (7) through cable-through hole (14).
7. a kind of low pressure electronic lamp transformer according to claim 1 and 2 is characterized in that: upper cover plate (1) or lower cover (2) inboard also are provided with cavity volume (4), flange (5), and magnetic core coil (6) places between cavity volume (4) and the flange (5).
8. according to claim 3 or 4 described a kind of low pressure electronic lamp transformers, it is characterized in that: lower cover (2) inboard also is provided with cavity volume (4), flange (5), and magnetic core coil (6) places in the space that forms between plastic cement insulating sleeve (3) and cavity volume (4), the flange (5).
9. according to claim 1 or 3 described a kind of low pressure electronic lamp transformers, it is characterized in that: paste one deck protection film on the coil that upper cover plate or lower cover lateral surface expose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520058819 CN2802898Y (en) | 2005-05-30 | 2005-05-30 | Electronic transformer for low-tension lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520058819 CN2802898Y (en) | 2005-05-30 | 2005-05-30 | Electronic transformer for low-tension lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2802898Y true CN2802898Y (en) | 2006-08-02 |
Family
ID=36847602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520058819 Expired - Lifetime CN2802898Y (en) | 2005-05-30 | 2005-05-30 | Electronic transformer for low-tension lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2802898Y (en) |
-
2005
- 2005-05-30 CN CN 200520058819 patent/CN2802898Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUSHAN CITY YIGE ER ELECTRIC INDUSTRIAL MANUFACTU Free format text: FORMER OWNER: XIAO JUNCHENG Effective date: 20080314 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080314 Address after: A3, Guicheng science and Technology Park, Jian Ping Road, Nanhai District, Guangdong, Foshan 528200, China Patentee after: Foshan Eaglerise Electric & Electronic Co., Ltd. Address before: Foshan City, Guangdong Province, Nanhai District, Jian Ping Road, Guicheng science and Technology Park, A3, Foshan Risheng Electrical Manufacturing Co., Ltd., postcode: 528200 Patentee before: Xiao Juncheng |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090617 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |