CN210297527U

CN210297527U - Isolated switching power supply

Info

Publication number: CN210297527U
Application number: CN201921032134.6U
Authority: CN
Inventors: 于庆恩
Original assignee: Shenzhen Dctec Technology Co ltd
Current assignee: Shenzhen Dctec Technology Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-10
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses an isolated switching power supply, which comprises a shell and an insulating cover body, wherein four corners of the bottom of the shell are respectively provided with a foot pad, one side of the shell is provided with a clamping port, one side of the insulating cover body is provided with a clamping head, the shell and the insulating cover body are movably connected through the clamping port and the clamping head, the inner wall of the shell is provided with a control circuit board, two ends of the control circuit board are respectively connected with an isolation module and a rectifier, the insulating cover body is respectively provided with an LCD display screen, LED lamp and thermovent, the thermovent sets up respectively in the both ends of LCD display screen, and the LED lamp sets up respectively in the below of LCD display screen, and the top of insulating lid still is equipped with ampere meter and voltmeter, and ampere meter and voltmeter set up respectively in the top of thermovent, this is novel through the temperature in the LCD display screen display casing, and the person of facilitating the use observes, is provided with callus on the sole and insulating apron, and antiskid and insulating effectual.

Description

Isolated switching power supply

Technical Field

The utility model relates to a switching power supply technical field specifically is an isolated switching power supply.

Background

The switching power supply, also known as switching power supply, switching converter, is a high-frequency electric energy conversion device, its function is to convert the voltage of a quasi-potential into the voltage or current that the user terminal needs through the different form framework, the switching power supply is a kind of power supply which utilizes modern power electronic technology, the time ratio of controlling the switch tube to turn on and off, maintain the stable output voltage, the switching power supply that people use at present mainly has the disadvantages of complicated structure, inconvenient use, poor heat dissipation effect, low working efficiency, etc.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an isolated switching power supply to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an isolated switching power supply, includes casing and insulating lid, the bottom four corners of casing is equipped with the callus on the sole respectively, one side of casing is equipped with the joint mouth, one side of insulating lid is equipped with the joint, the casing with insulating lid passes through the joint mouth with joint swing joint, the inner wall of casing is equipped with control circuit board, control circuit board's both ends are connected respectively and are equipped with isolation module and rectifier, be equipped with LCD display screen, LED lamp and thermovent on the insulating lid respectively, the thermovent set up respectively in the both ends of LCD display screen, the LED lamp set up respectively in the below of LCD display screen, the top of insulating lid still is equipped with ampere meter and voltmeter, the ampere meter and voltmeter set up respectively in the top of thermovent.

Preferably, one side of the shell is provided with a lead device, a lead slot is arranged in the lead device, and the outer walls of the lead slot are respectively provided with a metal shielding layer.

Preferably, the casing is kept away from one side of pin device is equipped with protection casing and upset lid, the protection casing with articulated connection between the upset lid, the inner wall top of protection casing is equipped with the draw-in groove, the upset lid is close to one side top of protection casing is equipped with the buckle, the draw-in groove with buckle swing joint, the inner wall of protection casing is equipped with power hole and power button respectively.

Preferably, heat dissipation windows are respectively arranged on two sides of the shell, which are far away from the protective cover and the lead device, and an opening-closing button and an output connector are respectively arranged at two ends of the heat dissipation window, which are close to the LED lamp.

Preferably, a heat dissipation fan and a motor are arranged at the top end of the inner wall of the shell, the heat dissipation fan is connected with the motor, the motor is fixedly arranged at the bottom of the insulating cover body, and a temperature sensor is arranged on one side of the control circuit board.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses be provided with the callus on the sole with insulating apron, antiskid and insulating effectual, work efficiency is high.

(2) The utility model discloses a radiator fan, thermovent with the heat dissipation window, through radiator fan's rotation, will the timely diffusion of heat in the casing is gone out, reduces temperature in the casing has been avoided temperature in the casing lasts to rise, the phenomenon of short circuit appears.

(3) Temperature sensor connects the LCD display screen, through the LCD display screen shows temperature in the casing, the person of facilitating the use observes.

(4) Set up in the lead wire device the metallic shield layer can completely cut off the electromagnetic interference between the output conductor, can effectually shield external electromagnetic signal simultaneously, receives external electromagnetic interference when preventing output conductor output current voltage, guarantees that current voltage stable output has improved switching power supply's stability.

(5) The utility model discloses a protection casing with the collocation of upset lid for can when not using with the power supply hole with power button covers, prevents that the user from unexpected electric shock, has improved switching power supply's security performance.

Drawings

Fig. 1 is a top view structural diagram of the present invention.

Fig. 2 is an overall structure diagram of the present invention.

Fig. 3 is an internal structure diagram of the present invention.

In the figure: 1. the LED lamp comprises a shell, 2. an insulating cover body, 3. a foot pad, 4. a clamping interface, 5. a clamping joint, 6. a control circuit board, 7. an isolation module, 8. a rectifier, 9. an LCD display screen, 10. an LED lamp, 11. a heat dissipation port, 12. an ammeter, 13. a voltmeter, 14. a lead device, 15. a protective cover, 16. a turnover cover, 17. a clamping groove, 18. a buckle, 19. a power supply hole, 20. a power supply button, 21. a heat dissipation window, 22. an opening and closing button, 23. an output interface, 24. a heat dissipation fan, 25. a motor, 26. a temperature sensor.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an isolated switching power supply comprises a shell 1 and an insulating cover body 2, foot pads 3 are respectively arranged at four corners of the bottom of the shell 1, a clamping port 4 is arranged at one side of the shell 1, a clamping head 5 is arranged at one side of the insulating cover body 2, the shell 1 and the insulating cover body 2 are movably connected through the clamping port 4 and the clamping head 5, the foot pads 3 and the insulating cover plate 2 are arranged, the antiskid and insulating effects are good, the working efficiency is high, a control circuit board 6 is arranged on the inner wall of the shell 1, an isolation module 7 and a rectifier 8 are respectively connected and arranged at two ends of the control circuit board 6, an LCD display screen 9, an LED lamp 10 and a heat dissipation port 11 are respectively arranged on the insulating cover body 2, the heat dissipation ports 11 are respectively arranged at two ends of the LCD display screen 9, the LED lamp 10 is respectively arranged below the LCD display screen 9, an ammeter 12 and an ammeter 13 are also arranged above the insulating cover body 2, the ammeter 12 and the voltmeter 13 are respectively arranged above the heat dissipation port 11.

In this embodiment, one side of casing 1 is equipped with lead wire device 14, be equipped with lead wire groove 27 in the lead wire device 14, the outer wall of lead wire groove 27 is equipped with metallic shield 28 respectively, set up in the lead wire device 14 metallic shield 28 can completely cut off the electromagnetic interference between the output wire, and electromagnetic signal that simultaneously can the external world of effectual shielding receives external electromagnetic interference when preventing output wire output current voltage, guarantees that current voltage stably exports, has improved switching power supply's stability.

In this embodiment, one side of the casing 1 far away from the lead wire device 14 is provided with a protective cover 15 and a turnover cover 16, the protective cover 15 is hinged to the turnover cover 16, the top end of the inner wall of the protective cover 15 is provided with a clamping groove 17, the top end of one side of the turnover cover 16 close to the protective cover 15 is provided with a buckle 18, the clamping groove 17 is movably connected with the buckle 18, the inner wall of the protective cover 15 is provided with a power supply hole 19 and a power supply button 20, and the protective cover 15 is matched with the turnover cover 16, so that the power supply hole 19 and the power supply button 20 can be covered when the switch power supply is not used, accidental electric shock of a user is prevented, and the safety performance of the switch power supply is.

In this embodiment, heat dissipation windows 21 are respectively disposed on two sides of the housing 1 away from the protective cover 15 and the lead device 14, and an on-off button 22 and an output connector 23 are respectively disposed on two ends of the heat dissipation window 21 close to the LED lamp 10.

In this embodiment, the inner wall top of casing 1 is equipped with radiator fan 24 and motor 25, radiator fan 24 with motor 25 connects, motor 25 is fixed set up in the bottom of insulating lid 2, through radiator fan 24, thermovent 11 with heat dissipation window 21, through radiator fan 24's rotation, will the timely diffusion of heat in the casing 1 goes out, reduces temperature in the casing 1 has been avoided the temperature in the casing 1 lasts to rise, the phenomenon of short circuit appears, one side of control circuit board 6 is equipped with temperature sensor 26, temperature sensor 26 connects LCD display screen 9, through LCD display screen 9 shows temperature in the casing 1, and the person of facilitating the use observes.

The working principle is as follows: the utility model is provided with the foot pad and the insulating cover plate, the antiskid and insulating effect is good, the working efficiency is high, the heat in the shell is diffused in time by the rotation of the heat radiation fan, the heat radiation port and the heat radiation window, the temperature in the shell is reduced, the phenomenon that the temperature in the shell is continuously increased and short circuit occurs is avoided, the temperature sensor is connected with the LCD display screen, the temperature in the shell is displayed by the LCD display screen, the observation by a user is convenient, the metal shielding layer arranged in the lead device can isolate the electromagnetic interference between output leads, and can effectively shield external electromagnetic signals, prevent the output leads from receiving external electromagnetic interference when outputting current and voltage, ensure the stable output of current and voltage, and improve the stability of a switching power supply, through the matching of the protective cover and the turnover cover, the power supply hole and the power supply button can be covered when the switch power supply is not used, so that accidental electric shock of a user is prevented, and the safety performance of the switch power supply is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An isolated switching power supply, includes casing (1) and insulating lid (2), its characterized in that: the bottom four corners of the shell (1) are respectively provided with a foot pad (3), one side of the shell (1) is provided with a clamping port (4), one side of the insulating cover body (2) is provided with a clamping joint (5), the shell (1) and the insulating cover body (2) are movably connected through the clamping port (4) and the clamping joint (5), the inner wall of the shell (1) is provided with a control circuit board (6), two ends of the control circuit board (6) are respectively connected with an isolation module (7) and a rectifier (8), the insulating cover body (2) is respectively provided with an LCD display screen (9), an LED lamp (10) and a heat dissipation port (11), the heat dissipation port (11) is respectively arranged at two ends of the LCD display screen (9), the LED lamp (10) is respectively arranged below the LCD display screen (9), an ammeter (12) and a voltmeter (13) are also arranged above the insulating cover body (2), the ammeter (12) and the voltmeter (13) are respectively arranged above the heat dissipation opening (11).

2. An isolated switching power supply according to claim 1, wherein: one side of casing (1) is equipped with lead wire device (14), be equipped with lead wire groove (27) in lead wire device (14), the outer wall of lead wire groove (27) is equipped with metal shielding layer (28) respectively.

3. An isolated switching power supply according to claim 2, wherein: casing (1) is kept away from one side of lead wire device (14) is equipped with protection casing (15) and upset lid (16), protection casing (15) with articulated connection between upset lid (16), the inner wall top of protection casing (15) is equipped with draw-in groove (17), upset lid (16) are close to one side top of protection casing (15) is equipped with buckle (18), draw-in groove (17) with buckle (18) swing joint, the inner wall of protection casing (15) is equipped with power hole (19) and power button (20) respectively.

4. An isolated switching power supply according to claim 3, wherein: the LED lamp is characterized in that the two sides of the shell (1), which are far away from the protective cover (15) and the lead device (14), are respectively provided with a heat dissipation window (21), and the two ends of the heat dissipation window (21), which are close to the LED lamp (10), are respectively provided with an opening-closing button (22) and an output connector (23).

5. An isolated switching power supply according to claim 1, wherein: the inner wall top of casing (1) is equipped with radiator fan (24) and motor (25), radiator fan (24) with motor (25) are connected, motor (25) fixed set up in the bottom of insulating lid (2), one side of control circuit board (6) is equipped with temperature sensor (26).