CN215834389U

CN215834389U - Transformer for LED driving power supply

Info

Publication number: CN215834389U
Application number: CN202122436989.9U
Authority: CN
Inventors: 叶建毅; 叶惠旋
Original assignee: Guangdong Jiayide Lighting Technology Co ltd
Current assignee: Guangdong Jiayide Lighting Technology Co ltd
Priority date: 2021-10-10
Filing date: 2021-10-10
Publication date: 2022-02-15
Anticipated expiration: 2031-10-10

Abstract

The application relates to the field of transformers, in particular to a transformer for an LED driving power supply. The key points of the technical scheme are as follows: the circuit board comprises a circuit board and a shell, wherein the shell comprises a first cover body and a second cover body, and the first cover body is detachably connected with the second cover body; the circuit board is arranged in the first cover body, the first cover body is provided with a first positioning part, the second cover body is provided with a second positioning part, and the two sides of the first positioning part and the second positioning part, which are opposite to the circuit board, are mutually abutted and limited; the shell is further provided with a positioning assembly, the positioning assembly is respectively connected with the first cover body and the second cover body, the circuit board is provided with a positioning hole, the positioning assembly penetrates through the positioning hole, and the positioning assembly is abutted against the hole wall of the positioning hole to limit the circuit board. This application has the effect that improves the location steadiness of circuit board.

Description

Transformer for LED driving power supply

Technical Field

The application relates to the field of transformers, in particular to a transformer for an LED driving power supply.

Background

With the development of lighting technology, LED lamps have been widely used in the fields of lighting and household appliances. The standard voltage of domestic electricity in China is 220V, most of domestic appliances are low-voltage appliances, and therefore a transformer is needed to reduce the voltage to prevent the appliances from being burnt out.

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, has different requirements aiming at the winding process of transformers with different purposes although the principle is simple, and almost all the transformers are used in daily life. Wherein, the LED lamp is as an electrical apparatus commonly used, and its drive power supply generally is including circuit board, casing and vary voltage module, and in the correlation technique, the overall design of LED drive power supply transformer is comparatively small and exquisite, and the circuit board setting is in the casing, and vary voltage module is located on the circuit board, and vary voltage module can insert the power and connect LED lamp area, under the effect of vary voltage module, can realize step-down, steady voltage function.

Aiming at the related technologies, the circuit board is usually directly placed in the shell, and the inventor finds that the circuit board is easy to loosen in the long-term use process, and the positioning stability of the circuit board is still to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the location steadiness of circuit board, this application provides a transformer that LED drive power used.

The application provides a transformer that LED drive power supply used adopts following technical scheme:

a transformer for an LED driving power supply comprises a circuit board and a shell; the shell comprises a first cover body and a second cover body, and the first cover body is detachably connected with the second cover body; the circuit board is arranged in the shell, the first cover body is provided with a first positioning part, the second cover body is provided with a second positioning part, and the two sides of the first positioning part and the second positioning part, which are back to the circuit board respectively, are mutually abutted and limited; the shell is further provided with a positioning assembly, the positioning assembly is respectively connected with the first cover body and the second cover body, the circuit board is provided with a positioning hole, the positioning assembly penetrates through the positioning hole, and the positioning assembly is abutted against the hole wall of the positioning hole to limit the circuit board.

Through adopting above-mentioned technical scheme, when the equipment LED drive power transformer, place the circuit board earlier on the second location portion in the second lid, cover first lid again, the circuit board is by the centre gripping location in the transformer housing under the mating reaction of first location portion and second location portion, make the difficult both sides skew that the orientation was carried on the back mutually of the circuit board, then run through the circuit board through locating component, it is spacing to apply the orientation motion all around to the circuit board, locating component's setting makes the location steadiness of circuit board obtain promoting.

Preferably, the first positioning portion and the second positioning portion are respectively provided with a plurality of groups, and the plurality of groups of the first positioning portion and the plurality of groups of the second positioning portion are arranged at intervals along the circumferential direction of the housing.

Through adopting above-mentioned technical scheme, adopt first location portion of multiunit and second location portion to carry out interval location to the circuit board, can reduce the circuit board because of the unbalanced possibility that takes place to deflect of support to the stability of reinforcing circuit board location.

Preferably, the first cover body comprises a first top plate and a first side plate arranged on the first top plate, a clamping block is arranged on the first side plate, the second cover body comprises a second top plate and a second side plate arranged on the second top plate, a clamping hole is formed in the second side plate, and the clamping block is movably buckled in the clamping hole.

Through adopting above-mentioned technical scheme, when transformer housing lid was fashionable, aimed at the bayonet socket on the first lid with the card hole on the second lid, pressed first lid and second lid and made the bayonet socket lock joint in the card hole to this further promotes the stability that first lid and second lid closed.

Preferably, the positioning assembly comprises a screw, a first positioning column and a second positioning column, the first positioning column is arranged on the inner wall of the first top plate, the second positioning column is arranged on the inner wall of the second top plate, the first positioning column and the second positioning column correspond to each other in position, the screw penetrates through the second positioning column and the positioning hole, and the screw is in threaded connection with the first positioning column.

Through adopting above-mentioned technical scheme, for making the location of circuit board more stable, adopt the screw to run through circuit board and second reference column and with first reference column screw-thread fit to this is with the mutual fixed mounting of first lid, circuit board and second lid, realizes stablizing spacing.

Preferably, the first positioning portion is provided with a bayonet, and an edge of the second cover body is embedded into the bayonet.

By adopting the technical scheme, when the first cover body and the second cover body are closed, the edge of the second cover body is embedded into the bayonet of the first cover body, so that the first cover body and the second cover body are closed, and the bayonet is abutted against one surface of the circuit board to limit the circuit board.

Preferably, the edge of the circuit board is provided with an output socket, and the shell is provided with a jack corresponding to the output socket.

Through adopting above-mentioned technical scheme, the transformer sets up the plug that output socket can supply the output power line and pegs graft to realize being connected dismantled between output power line and the transformer, when transformer or output power line are ageing, so that change ageing part alone, make the use convenience of transformer obtain promoting.

Preferably, the number of the output sockets is a plurality, the output sockets are arranged on the circuit board at intervals, the first cover body is provided with a plurality of partition bars, any partition bar is inserted between two adjacent output sockets, and the jacks are separated by the partition bars.

Through adopting above-mentioned technical scheme, set up the demand that a plurality of LED lamps and lanterns need be inserted simultaneously to transformer can be satisfied to separate each output socket mutually through the parting bead, so that have enough space between a plurality of output power cord plugs and can peg graft on output socket simultaneously, strengthened the practicality of transformer.

Preferably, the shell is provided with an input socket, the input socket is provided with a convex part, the shell is provided with a limit groove, and the convex part is embedded into the limit groove.

Through adopting above-mentioned technical scheme, set up input socket in order to insert the input power cord plug on the transformer to input domestic high-voltage photovoltaic, set up the spacing groove at transformer housing and carry on spacingly to the socket, so that input power cord plug pegs graft with input socket mutually, reduce because of the not hard up influence that produces other parts in the transformer of plug, thereby promote the stability of each part in the transformer.

Preferably, the edge of the first cover body is provided with a yielding groove, and the bottom of the yielding groove is provided with a mounting clamping groove or a mounting hole for the threaded fastener to penetrate through.

Through adopting above-mentioned technical scheme, when the transformer needs fixed mounting so that use, can wear to locate installation slot or mounting hole with threaded fastener, fix the transformer under the mutually supporting effect of threaded fastener and installation slot or mounting hole to the groove of stepping down is seted up at first lid edge, but the maximum utilization transformer has the space, need not additionally to increase the volume of transformer, so that the placing or the installation of transformer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the circuit board is clamped and positioned in the transformer shell under the matching action of the first positioning part and the second positioning part, so that the circuit board is not easy to deviate towards two opposite sides;

2. the positioning assembly penetrates through the circuit board and limits the circuit board to move towards the periphery, so that the positioning stability of the circuit board is improved;

3. the plurality of output sockets are arranged, so that the requirement that the transformer needs to be connected into a plurality of LED lamps at the same time can be met.

Drawings

Fig. 1 is a schematic diagram of an assembly relationship of a transformer according to the present application.

Fig. 2 is a cross-sectional view of a transformer of the present application.

Fig. 3 is a partial cross-sectional view of a transformer of the present application.

Fig. 4 is a partial cross-sectional view of another perspective of the transformer of the present application.

Fig. 5 is a partial cross-sectional view of a first cover of the present application.

Fig. 6 is a schematic diagram illustrating an assembly relationship of the first cover, the second cover and the input socket according to the present application.

Description of reference numerals: 1. a housing; 11. a first cover body; 111. a first positioning portion; 1111. a bayonet; 112. a first top plate; 113. a first side plate; 1131. a clamping block; 114. a first limit groove; 115. a yielding groove; 1151. installing a clamping groove; 1152. mounting holes; 116. a parting strip; 12. a second cover body; 121. a second positioning portion; 122. a second top plate; 123. a second side plate; 1231. a clamping hole; 124. a second limit groove; 13. a jack; 14. a positioning assembly; 141. a screw; 142. a first positioning post; 1421. a thread groove; 143. a second positioning column; 1431. connecting holes; 2. a circuit board; 21. positioning holes; 22. an output socket; 3. an input socket; 31. a convex portion.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a transformer for an LED driving power supply. Referring to fig. 1, the transformer includes a circuit board 2 and a case 1, and the case 1 includes a first cover 11 and a second cover 12, wherein the circuit board 2 is disposed in the second cover 12, and the circuit board 2 is configured to receive a household voltage and convert the household voltage into a low voltage. The first cover 11 and the second cover 12 are detachably connected, specifically, the connection mode in this embodiment is a joint and thread fit joint function, and the connection mode in other embodiments can also adopt a joint or screw fixation mode alone, so that the circuit board 2 can be assembled and maintained conveniently by disassembling and assembling the first cover 11 and the second cover 12.

Referring to fig. 2, in order to improve the stability of the circuit board 2 when being placed, two sides of the inner wall of the first cover 11 are respectively integrally formed with a first positioning portion 111, two sides of the inner wall of the second cover 12 are integrally formed with a second positioning portion 121, the first positioning portion 111 and the second positioning portion 121 are both sheet-shaped structures, here, one side of the first positioning portion 111, which is far away from the first cover 11, and one side of the second positioning portion 121, which is far away from the second cover 12, are respectively abutted and limited with two side boards of the circuit board 2, which are back to each other, and the first positioning portion 111 and the second positioning portion 121 are mutually matched to clamp and position the circuit board 2 in the transformer housing 1, so that the circuit board 2 is not easy to shift towards two sides of the back to each other.

Further, in order to reduce the possibility of deflection of the circuit board 2 due to unbalanced support, the first positioning portion 111 and the second positioning portion 121 are respectively provided with a plurality of sets, for example, four sets, six sets or eight sets, etc., in this embodiment, eight sets are specifically selected as an illustration, and the eight sets of the first positioning portion 111 and the eight sets of the second positioning portion 121 are circumferentially arranged at intervals along the transformer housing 1, so as to realize multi-point support of the circuit board 2, reduce the possibility of deflection of the circuit board 2, and further improve the stability of the circuit board 2 when being placed.

In addition, with reference to fig. 2, an inwardly recessed bayonet 1111 is disposed at an end of the first positioning portion 111 abutting against the circuit board 2, and when the first cover 11 and the second cover 12 are closed, an edge of the second cover 12 is embedded into the bayonet 1111 of the first cover 11, so that the first cover 11 and the second cover 12 are closed more tightly.

Referring to fig. 1 and 3, the first cover 11 includes a first top plate 112 and a first side plate 113 disposed along an edge of the first top plate 112, the first top plate 112 and the first side plate 113 are integrally formed to form the first cover 11, and a clamping block 1131 is disposed on the first side plate 113, specifically, the clamping block 1131 is wedge-shaped in this embodiment; the second cover 12 includes a second top plate 122 and a second side plate 123 disposed along an edge of the second top plate 122, the second top plate 122 and the second side plate 123 are integrally formed to form the second cover 12, correspondingly, the second side plate 123 is provided with a clamping hole 1231, a position of the clamping hole 1231 corresponds to a position of the clamping block 1131 one by one, when the first cover 11 and the second cover 12 are mutually covered, the first side plate 113 is close to the second side plate 123, the clamping block 1131 aligns with the clamping hole 1231, the clamping block 1131 is movably fastened to the clamping hole 1231 by pressing the first cover 11 and the second cover 12, so as to close the transformer housing 1.

In order to further improve the stability of the cover of the first cover 11 and the second cover 12, the clamping blocks 1131 are respectively provided with a plurality of groups, for example, two, four or six groups are provided, in this embodiment, six groups are specifically selected as an illustration, and the six groups of clamping blocks 1131 and the clamping holes 1231 are respectively arranged along the circumferential direction of the first side plate 113 and the second side plate 123 at intervals, so as to realize multi-point reinforcement of the first cover 11 and the second cover 12.

Referring to fig. 4, the housing 1 of the transformer is provided with a positioning assembly 14, the positioning assembly 14 includes a screw 141, a first positioning column 142 and a second positioning column 143, wherein the first positioning column 142 is disposed on an inner wall of the first top plate 112, the second positioning column 143 is disposed on an inner wall of the second top plate 122, and the first positioning column 142 and the second positioning column 143 correspond to each other in position; meanwhile, the first positioning post 142 is provided with a thread groove 1421 in threaded fit with the screw 141, the second positioning post 143 and the second top plate 122 are provided with a connecting hole 1431 in a penetrating manner, and the circuit board 2 is provided with a positioning hole 21 penetrating the circuit board 2, here, when the circuit board 2 is placed in the housing 1 and the first cover 11 and the second cover 12 are mutually covered, the positions of the thread groove 1421, the connecting hole 1431 and the positioning hole 21 are mutually corresponding, the screw 141 penetrates the connecting hole 1431 on the second positioning post 143 and the positioning hole 21 on the circuit board 2, and then the screw 141 and the first positioning post 142 are in threaded connection, so that the circuit board 2 is limited in movement in the peripheral direction, and the first cover 11, the circuit board 2 and the second cover 12 are mutually fixed and mounted.

In order to improve the positioning stability of the circuit board 2, the positioning assemblies 14 may be provided with a plurality of groups, for example, two, four or six groups, and the like, in this embodiment, two groups are specifically selected as an illustration, the two groups of positioning assemblies 14 are respectively arranged at diagonal positions in the transformer, and the principle that two points determine a straight line is utilized, and the diagonal positions of the two groups of positioning assemblies 14 are used to limit the circuit board 2 from moving around, so as to realize stable limiting of the circuit board 2.

Referring back to fig. 1, an output socket 22 is installed at the edge of the circuit board 2, and a jack 13 corresponding to the output socket 22 in position and shape is arranged on the housing 1 in a penetrating manner, the output socket 22 can be used for plugging a plug of an output power line, so that the detachable connection between the output power line and the transformer is realized, and the mutual connection between the LED lamp and the circuit board 2 is realized.

Further, in order to meet the requirement that the transformer can be connected to a plurality of LED lamps at the same time, the number of the output sockets 22 and the number of the jacks 13 may be set to be several, for example, two, six or ten, etc., in this embodiment, ten are specifically selected as an example, ten are set on the circuit board 2 at intervals, meanwhile, the inner wall of the first cover 11 has a plurality of spacers 116, and the plurality of spacers 116 are respectively inserted into the gap between two adjacent output sockets 22, so that there is enough space between a plurality of output power line plugs to be inserted into the output sockets 22 at the same time, and the output sockets 22 are not easy to shift when the output power line plugs are plugged.

Referring to fig. 1 and 5, a transformer housing 1 is provided with an input socket 3, the input socket 3 is connected to a circuit board 2, a household voltage is input by inserting an input power line into the input socket 3, in order to stably mount the input socket 3, a protrusion 31 is provided on an outer wall of the input socket 3, and the protrusion 31 is provided along a circumferential direction of the input socket 3; the first cover 11 is provided with a first limiting groove 114, the second cover 12 is provided with a second limiting groove 124, and the positions of the first limiting groove 114 and the second limiting groove 124 correspond to each other; when the first cover 11 and the second cover 12 are closed, the first limiting groove 114 and the second limiting groove 124 are mutually spliced to form a limiting groove, the shape of the limiting groove is consistent with that of the convex portion 31, the convex portion 31 is in plug-in fit with the limiting groove, and after the first cover 11 and the second cover 12 are mutually assembled, the convex portion 31 of the input socket 3 is embedded into the limiting groove to limit the input socket 3, so that the stability of the input socket 3 during installation is improved.

Referring to fig. 6, in order to fix the transformer housing 1 during use, the edge of the first cover 11 is recessed from outside to inside to form an abdicating groove 115, a mounting groove 1151 or a mounting hole 1152 for a threaded fastener to penetrate is formed in the groove bottom of the abdicating groove 115, the transformer can be fixed in a proper position under the fastening action of the threaded fastener, the abdicating groove 115 is formed in the edge of the first cover 11, the space of the transformer can be utilized to the maximum extent, and the size of the transformer does not need to be additionally increased, so that the transformer can be placed or mounted.

The implementation principle of the transformer for the LED driving power supply is as follows: when the LED driving power transformer is assembled, the circuit board 2 is placed on the second positioning portion 121 in the second cover 12, and then the first cover 11 is covered, the circuit board 2 is clamped and positioned in the transformer housing 1 under the matching action of the plurality of groups of first positioning portions 111 and the second positioning portions 121, so that the circuit board 2 is not prone to shift and deflect, then the circuit board 2 is penetrated through by the two groups of positioning assemblies 14 arranged diagonally, and the circuit board 2 is limited in the direction of the peripheral movement so as to improve the positioning stability of the circuit board 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a transformer that LED drive power supply used, includes circuit board (2) and shell (1), its characterized in that: the shell (1) comprises a first cover body (11) and a second cover body (12), wherein the first cover body (11) is detachably connected with the second cover body (12);

the circuit board (2) is arranged in the shell (1), the first cover body (11) is provided with a first positioning part (111), the second cover body (12) is provided with a second positioning part (121), and two sides of the first positioning part (111) and the second positioning part (121) which are opposite to the circuit board (2) are abutted and limited with each other;

the shell (1) is further provided with a positioning assembly (14), the positioning assembly (14) is respectively connected with the first cover body (11) and the second cover body (12), the circuit board (2) is provided with a positioning hole (21), the positioning assembly (14) penetrates through the positioning hole (21), and the positioning assembly (14) is abutted to the hole wall of the positioning hole (21) so as to limit the circuit board (2).

2. The transformer for an LED driving power supply according to claim 1, characterized in that: the first positioning portion (111) and the second positioning portion (121) are respectively provided with a plurality of groups, and the plurality of groups of the first positioning portion (111) and the plurality of groups of the second positioning portion (121) are arranged at intervals along the circumferential direction of the housing (1).

3. The transformer for an LED driving power supply according to claim 1, characterized in that: first lid (11) include first roof (112) and locate first curb plate (113) on first roof (112), be equipped with joint piece (1131) on first curb plate (113), second lid (12) include second roof (122) and locate second curb plate (123) on second roof (122), card hole (1231) have been seted up in second curb plate (123), joint piece (1131) activity lock joint in card hole (1231).

4. A transformer for an LED driving power supply according to claim 3, characterized in that: the positioning assembly (14) comprises a screw (141), a first positioning column (142) and a second positioning column (143), the first positioning column (142) is arranged on the inner wall of the first top plate (112), the second positioning column (143) is arranged on the inner wall of the second top plate (122), the first positioning column (142) and the second positioning column (143) correspond in position to each other, the screw (141) penetrates through the second positioning column (143) and the positioning hole (21), and the screw (141) is in threaded connection with the first positioning column (142).

5. The transformer for an LED driving power supply according to claim 1, characterized in that: the first positioning portion (111) is provided with a bayonet (1111), and the edge of the second cover body (12) is embedded into the bayonet (1111).

6. The transformer for an LED driving power supply according to claim 1, characterized in that: the edge of the circuit board (2) is provided with an output socket (22), and the shell (1) is provided with a jack (13) corresponding to the position of the output socket (22).

7. The transformer for an LED driving power supply according to claim 6, wherein: the output sockets (22) are arranged on the circuit board (2) at intervals, the first cover body (11) is provided with a plurality of partition bars (116), any partition bar (116) is inserted between every two adjacent output sockets (22), and the jacks (13) are separated from each other through the partition bars (116).

8. The transformer for an LED driving power supply according to claim 1, characterized in that: the shell (1) is provided with an input socket (3), the input socket (3) is provided with a convex part (31), the shell (1) is provided with a limit groove, and the convex part (31) is embedded into the limit groove.

9. The transformer for an LED driving power supply according to claim 1, characterized in that: the edge of first lid (11) has seted up groove of stepping down (115), the tank bottom of groove of stepping down (115) runs through and is provided with installation draw-in groove (1151) or mounting hole (1152) that supply threaded fastener to wear to establish.