CN215118543U

CN215118543U - Switch power supply transformer

Info

Publication number: CN215118543U
Application number: CN202120934367.6U
Authority: CN
Inventors: 李勇胜; 张友才; 曹世扬; 李峰; 陈正顺
Original assignee: Huadian Fuxin Xinjiang Energy Co ltd
Current assignee: Huadian Fuxin Xinjiang Energy Co ltd
Priority date: 2021-05-03
Filing date: 2021-05-03
Publication date: 2021-12-10
Anticipated expiration: 2031-05-03

Abstract

The utility model discloses a switching power supply transformer, including the circuit board of one side fixedly connected with connector of visor, top and the transformer that is used for changing voltage, the bottom fixedly connected with of transformer is used for transmitting the wire of electric power, and the surface of wire has cup jointed the fixing base that is used for supporting, and the one end fixedly connected with that the wire passed the fixing base is used for electrically conductive conducting strip, and the surface fixedly connected with of fixing base is used for fixed plate, and the top threaded connection of fixed plate has the locating lever that is used for the location. This switching power supply transformer through the cooperation setting of wire and fixing base, can fix the circuit of transformer bottom and protect to also can fix and the auxiliary stay to the transformer, set up through the cooperation of conducting strip and contact, need not to supply power with wire lug connection on the circuit board, make the installation operation more simple and convenient, and also can not cause the damage to the circuit board when changing, conveniently change the transformer.

Description

Switch power supply transformer

Technical Field

The utility model relates to a high frequency transformer technical field specifically is a switching power supply transformer.

Background

A switching mode power supply, also called a switching power supply, a switching converter, which is a high-frequency power conversion device, is a power supply, and functions to convert a level voltage into a voltage or current required by a user terminal through different types of architectures.

Chinese patent publication No. CN209657971U discloses a switching power supply transformer, which relates to the field of high-frequency transformers, and comprises a framework, a coil and a magnetic core, wherein the framework comprises an upper panel, a winding part and a base, the winding part is of a hollow cylindrical structure, the upper panel is arranged on the upper end surface of the winding part, the base is arranged on the lower end surface of the winding part, the upper end and the lower end of the winding part respectively pass through the upper panel and the base, a plurality of pins are arranged on the front side and the rear side of the base, the coil comprises a primary coil and a secondary coil, the primary coil and the secondary coil adopt a sandwich winding method, the starting end and the tail end of the primary coil and the secondary coil are respectively connected with the corresponding pins, the magnetic core comprises an upper magnetic core and a lower magnetic core, and the upper magnetic core and the lower magnetic core are arranged around the coil in a matching manner, the leakage inductance of the transformer is effectively controlled and fully utilized.

But the utility model discloses a when in-service use, directly pass through welding snap-on with the transformer on the circuit board, consequently damage the back at the transformer, can't directly change very inconvenient to the transformer can seriously generate heat at long-time during operation, if not timely cooling, can lead to the transformer to burn out.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a switching power supply transformer has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a switching power supply transformer, includes the circuit board of one side fixedly connected with connector of visor, top and is used for changing the transformer of voltage, the bottom fixedly connected with of transformer is used for transmitting electric power's wire, the fixing base that is used for supporting has been cup jointed to the surface of wire, the one end fixedly connected with that the wire passed the fixing base is used for electrically conductive conducting strip, the outer fixed surface of fixing base is connected with and is used for fixed plate, the top threaded connection of fixed plate has the locating lever that is used for the location, the top fixedly connected with of circuit board and the contact of conducting strip looks adaptation, the ventilation hole that is used for the ventilation is seted up to one side of visor, the visor inner wall is located one side in the ventilation hole and has the fan that is used for the heat dissipation through bolt threaded connection.

Optionally, the four corners of the top of the circuit board are all connected with fixing bolts for fixing through threads, and one end, which penetrates through the circuit board, of each fixing bolt is connected with a supporting column for supporting through threads, so that the supporting columns are fastened and connected to the bottom of the circuit board.

Optionally, the outer surface of the support column is sleeved with a compression spring for cushioning, the top of the compression spring is fixedly connected with a supporting ring for lifting, and the bottom of the support column is fixedly connected with a support plate.

Optionally, a threaded hole matched with the positioning rod is formed in the top of the circuit board, and the positioning rod penetrates through the inner wall of the threaded hole through one end of the fixing plate to enable the fixing plate to be fastened and connected to the top of the circuit board.

Optionally, four corners of the top of the supporting plate are fixedly connected with mounting seats for mounting, and the outer surfaces of the mounting seats are connected with protective covers for protection through bolt threads.

Optionally, the top of backup pad and visor all is offered and is used for radiating louvre, roof is located the below fixedly connected with that the louvre is used for dirt-proof protection pad in the visor.

(III) advantageous effects

The utility model provides a switching power supply transformer possesses following beneficial effect:

1. this switching power supply transformer through the cooperation setting of wire and fixing base, can fix the circuit of transformer bottom and protect to also can fix and the auxiliary stay to the transformer, set up through the cooperation of conducting strip and contact, need not to supply power with wire lug connection on the circuit board, make the installation operation more simple and convenient, and also can not cause the damage to the circuit board when changing, conveniently change the transformer.

2. This switching power supply transformer sets up through the cooperation of fixed plate and locating lever, can be very convenient fix the transformer to the circuit board on, consequently conveniently installs and dismantles the transformer, through the setting of fan, can blow to the transformer in the work for the velocity of flow of air around the transformer reaches the purpose to the transformer cooling.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the protective cover of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a circuit board; 2. fixing the bolt; 3. a support pillar; 4. a compression spring; 5. a ring; 6. A support plate; 7. a transformer; 8. a wire; 9. a fixed seat; 10. a conductive sheet; 11. a fixing plate; 12. Positioning a rod; 13. a contact; 14. a mounting seat; 15. a protective cover; 16. heat dissipation holes; 17. a vent hole; 18. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a switching power supply transformer comprises a protective cover 15, a circuit board 1 fixedly connected with a wire connector on one side of the top of the circuit board 1 and a transformer 7 for changing voltage, wherein fixing bolts 2 for fixing are connected to four corners of the top of the circuit board 1 in a threaded manner, one end of each fixing bolt 2 penetrating through the circuit board 1 is connected with a supporting column 3 for supporting in a threaded manner, the supporting column 3 is tightly connected to the bottom of the circuit board 1, a compression spring 4 for cushioning is sleeved on the outer surface of the supporting column 3, a supporting ring 5 for supporting is fixedly connected to the top of the compression spring 4, a supporting plate 6 is fixedly connected to the bottom of the supporting column 3, the circuit board 1 can be fixed to the top of the supporting plate 6 through the matching arrangement of the fixing bolts 2 and the supporting columns 3, the circuit board 1 can be kept at a certain distance with the supporting plate 6, so that ventilation and heat dissipation are ensured, and through the matching arrangement of the compression spring 4 and the supporting ring 5, when the fixing bolt 2 is pressed down, the circuit board 1 can be prevented from being damaged due to overlarge pressure;

the bottom of the transformer 7 is fixedly connected with a wire 8 used for transmitting electric power, the outer surface of the wire 8 is sleeved with a fixed seat 9 used for supporting, one end of the wire 8 penetrating through the fixed seat 9 is fixedly connected with a conducting strip 10 used for conducting electricity, the outer surface of the fixed seat 9 is fixedly connected with a fixed plate 11 used for fixing, the top of the fixed plate 11 is in threaded connection with a positioning rod 12 used for positioning, the top of the circuit board 1 is fixedly connected with a contact 13 matched with the conducting strip 10, the wire 8 can be fixed and protected through the arrangement of the fixed seat 9, so that the wire is prevented from being bent and broken in use, through the matching arrangement of the conducting strip 10 and the contact 13, the power supply of the transformer 7 can be kept under the condition that the wire 8 is not welded, and the transformer 7 is convenient to install and replace;

the top of the circuit board 1 is provided with a threaded hole matched with the positioning rod 12, one end of the positioning rod 12 penetrating through the fixing plate 11 is threaded and arranged on the inner wall of the threaded hole, so that the fixing plate 11 is tightly connected to the top of the circuit board 1, and the transformer 7 can be tightly connected to the top of the circuit board 1 through the matching arrangement of the fixing plate 11 and the positioning rod 12, so that the time wasted in the installation of the transformer 7 is reduced;

wherein, four corners of the top of the supporting plate 6 are fixedly connected with mounting seats 14 for mounting, the outer surface of the mounting seat 14 is connected with a protective cover 15 for protection through bolt threads, heat dissipation holes 16 for heat dissipation are respectively arranged at the tops of the supporting plate 6 and the protective cover 15, a protective pad for dust prevention is fixedly connected to the inner top wall of the protective cover 15 below the heat dissipation holes 16, a ventilation hole 17 for ventilation is arranged at one side of the protective cover 15, a fan 18 for heat dissipation is connected to one side of the inner wall of the protective cover 15, which is positioned at the ventilation hole 17, through bolt threads, the upper part of the circuit board 1 can be protected through the matching arrangement of the mounting seats 14 and the protective cover 15, dust is prevented from directly falling onto the circuit board 1, through the arrangement of the heat dissipation holes 16, the heat dissipation holes 16 are respectively arranged above and below the transformer 7, thereby the heat dissipation on the surface of the transformer 7 can be accelerated, therefore, the transformer 7 is protected, dust can be prevented from falling onto the circuit board from the heat dissipation holes 16 when the protection pad is not used, the transformer in work can be blown through the matching arrangement of the ventilation holes 17 and the fan 18, the flow rate of air around the transformer is accelerated, and the purpose of cooling the transformer is achieved;

the electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The utility model discloses in, the device's working procedure as follows:

1. loosening bolts on two sides of the protective cover 15, detaching the protective cover 15, placing the transformer 7 on the circuit board 1, aligning the conductive sheet 10 with the contact 13, and fixing the transformer 7 through the positioning rod 12;

2. closing the protective cover 15, screwing down bolts at two sides of the protective cover 15, connecting a power line on a wiring board at the top of the circuit board 1, starting the fan 18 and starting to work;

3. after use, the fan 18 is turned off to clean the heat dissipation holes 16.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a switching power supply transformer, includes circuit board (1) of one side fixedly connected with connector of visor (15), top and is used for changing transformer (7) of voltage which characterized in that: the bottom fixedly connected with of transformer (7) is used for wire (8) of transmission electric power, the surface of wire (8) has cup jointed fixing base (9) that are used for supporting, wire (8) pass one end fixedly connected with of fixing base (9) and are used for electrically conductive conducting strip (10), the outer fixed surface of fixing base (9) is connected with and is used for fixed plate (11), the top threaded connection of fixed plate (11) has locating lever (12) that are used for the location, the top fixedly connected with of circuit board (1) and contact (13) of conducting strip (10) looks adaptation, ventilation hole (17) that are used for the ventilation are seted up to one side of visor (15), one side that visor (15) inner wall is located ventilation hole (17) has fan (18) that are used for the heat dissipation through bolt threaded connection.

2. A switching power supply transformer according to claim 1, characterized in that: the four corners at the top of the circuit board (1) are all connected with fixing bolts (2) for fixing in a threaded manner, one end of each fixing bolt (2) penetrating through the circuit board (1) is connected with a supporting column (3) for supporting in a threaded manner, and the supporting columns (3) are fixedly connected to the bottom of the circuit board (1).

3. A switching power supply transformer according to claim 2, characterized in that: the surface of support column (3) has cup jointed compression spring (4) that are used for the bradyseism, the top fixedly connected with of compression spring (4) is used for lifting the support ring (5), the bottom fixedly connected with backup pad (6) of support column (3).

4. A switching power supply transformer according to claim 1, characterized in that: the top of the circuit board (1) is provided with a threaded hole matched with the positioning rod (12), and the positioning rod (12) penetrates through one end of the fixing plate (11) and is arranged on the inner wall of the threaded hole in a threaded mode, so that the fixing plate (11) is tightly connected to the top of the circuit board (1).

5. A switching power supply transformer according to claim 3, characterized in that: the four corners at the top of the supporting plate (6) are fixedly connected with mounting seats (14) for mounting, and the outer surfaces of the mounting seats (14) are connected with protective covers (15) for protection through bolt threads.

6. A switching power supply transformer according to claim 3, characterized in that: the top of backup pad (6) and visor (15) all seted up and be used for radiating louvre (16), the roof is located the below fixedly connected with that louvre (16) in visor (15) and is used for dirt-proof protection pad.