CN206099795U

CN206099795U - Intelligence switch constant voltage power supply circuit

Info

Publication number: CN206099795U
Application number: CN201621007822.3U
Authority: CN
Inventors: 陈阳
Original assignee: Foshan City Dizhi Power Supply Co Ltd
Current assignee: Foshan City Dizhi Power Supply Co Ltd
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2017-04-12
Anticipated expiration: 2026-08-30

Abstract

The utility model discloses an intelligence switch constant voltage power supply circuit, including main part, alternating current power supply input, interchanger, overvoltage protection device and under -voltage protection ware, the inside fixed mounting of main part has infrared ray temperature monitoring ware, and inlays in the main part and have the liquid crystal control screen, the alternating current power supply input passes through main part and electric wire netting wave filter electric connection, and the alternating current power supply input passes through electric wire netting wave filter and rectifier electric connection, the interchanger is connected with the rectifier, and the interchanger is connected with switch circuit through the rectifier filter, the last current overload protector ware that is provided with of switch circuit, overvoltage protection device passes through PWM controller and switch circuit electric connection, under -voltage protection ware and alarm device electric connection, the DC power supply output is connected with switch circuit. This intelligence switch constant voltage power supply circuit overall structure is simple, and inside components and parts are less, and are with low costs, and the people of being convenient for regulate and control.

Description

A kind of intelligent switch voltage-stabilized power supply circuit

Technical field

The utility model is related to power circuit technical field, specially a kind of intelligent switch voltage-stabilized power supply circuit.

Background technology

Switching Power Supply due to its miniaturization, lightweight, high efficiency, can in a large number energy saving the features such as and be widely used in The aspects such as electronic computer, television set, post and telecommunications, military equipment, means of transportation, instrument and meter, working equipment, with integrated The development being showing improvement or progress day by day with power device used by Switching Power Supply of circuit engineering, Switching Power Supply has obtained vigorous growth, and why Sample makes Switching Power Supply that the focus that high-precision Intelligentized regulating and controlling is studied into people is realized in the case of low cost.

There is internal structure complexity in current voltage-stabilized power supply, and internal component is more, high cost, and regulation and control are inconvenient.

Utility model content

The purpose of this utility model is to provide a kind of intelligent switch voltage-stabilized power supply circuit, to solve above-mentioned background technology in Propose that internal structure is complicated, and internal component is more, high cost, regulates and controls inconvenient problem.

For achieving the above object, the utility model provides following technical scheme：A kind of intelligent switch voltage-stabilized power supply circuit, bag Include main body, ac power input end, exchanger, overvoltage protection device and low voltage protector, the body interior fixed installation There is infrared temperature monitor, and LCD Controlling screen is inlaid with main body, the ac power input end is by main body and electrical network Wave filter is electrically connected with, and ac power input end is electrically connected with by line filter and rectifier, the exchanger with it is whole Stream device is connected, and exchanger is connected by rectifier filter with on-off circuit, and electric current mistake is provided with the on-off circuit Protector is carried, the overvoltage protection device is electrically connected with by PWM controller with on-off circuit, and overvoltage protection device and direct current Power output end is connected, and the low voltage protector is electrically connected with warning device, and low voltage protector and dc source Output end is connected, and the DC power output end is connected with on-off circuit.

Preferably, the LCD Controlling screen is electrically connected with institute with on-off circuit.

Preferably, state infrared temperature monitor to be electrically connected with warning device.

Preferably, the on-off circuit is made up of single-chip microcomputer and reset circuit.

Preferably, the warning device is made up of two kinds of chimes of dooms of long song and short song.

Compared with prior art, the beneficial effects of the utility model are：The intelligent switch voltage-stabilized power supply circuit overall structure Simply, internal component is less, low cost, is easy to people to be regulated and controled, too high with high pressure, low pressure, current overload and temperature Defencive function, effectively improves its service life, and warning device and low voltage protector share a warning device, saved unit Device and cost is reduced, while chimes of doom is divided into two kinds, be convenient for people to be differentiated, using effect is good.

Description of the drawings

Fig. 1 is the utility model internal structure schematic diagram；

Fig. 2 is the utility model external structure schematic diagram.

In figure：1st, main body, 101, LCD Controlling screen, 2, infrared temperature monitor, 3, ac power input end, 4, electrical network Wave filter, 5, rectifier, 6, exchanger, 7, rectifier filter, 8, on-off circuit, 9, current over-load protector, 10, overvoltage protects Shield device, 11, PWM controller, 12, low voltage protector, 13, warning device, 14, DC power output end.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of intelligent switch voltage-stabilized power supply circuit, including Main body 1, ac power input end 3, exchanger 6, overvoltage protection device 10 and low voltage protector 12, the fixed peace in the inside of main body 1 Equipped with infrared temperature monitor 2, outside line temperature monitoring 2 is electrically connected with warning device 13, and is inlaid with liquid crystal in main body 1 Control flow 101, LCD Controlling screen 101 is electrically connected with institute with on-off circuit 8, and ac power input end 3 is filtered by main body 1 with electrical network Ripple device 4 is electrically connected with, and ac power input end 3 is electrically connected with by line filter 4 with rectifier 5, exchanger 6 and rectification Device 5 is connected, and exchanger 6 is connected by rectifier filter 7 with on-off circuit 8, and on-off circuit 8 is by single-chip microcomputer and the electricity that resets Road constitutes, and when protecting occurs in circuit, can be restarted by reset circuit, and on on-off circuit 8 current overload protection is provided with Shield device 9, overvoltage protection device 10 is electrically connected with by PWM controller 11 with on-off circuit 8, and overvoltage protection device 10 and direct current Power output end 14 is connected, and low voltage protector 12 is electrically connected with warning device 13, and warning device 13 is by long song and short Two kinds of chimes of dooms of song are constituted, and low voltage protector 12 is connected with DC power output end 14, DC power output end 14 It is connected with on-off circuit 8.

Operation principle：When using the intelligent switch voltage-stabilized power supply circuit, a simple structure first should be carried out to equipment Understand, main body 1 is fixedly mounted, and switch on power, the AC power of 220V50HZ is along ac power input end 3 successively Jing Line filter 4, rectifier 5, exchanger 6 and rectifier filter 7 are crossed, DC voltage is eventually converted into and is exported along dc source End 14 exports, and when overvoltage protection device 10 detects overtension in output DC voltage, can be disconnected by PWM controller 11 Circuit, people can restart circuit by LCD Controlling screen 101 come the reset circuit in controlling switch circuit 8, work as low-voltage When protector 12 detects brownout in output DC voltage, people can be reminded by warning device 13.

Although being described in detail to the utility model with reference to the foregoing embodiments, for those skilled in the art comes Say, it still can modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered Row equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should It is included within protection domain of the present utility model.

Claims

1. a kind of intelligent switch voltage-stabilized power supply circuit, including main body (1), ac power input end (3), exchanger (6), overvoltage Protector (10) and low voltage protector (12), it is characterised in that：Infrared temperature prison is installed with inside the main body (1) Device (2) is surveyed, and LCD Controlling screen (101) is inlaid with main body (1), the ac power input end (3) is by main body (1) and electricity Net wave filter (4) is electrically connected with, and ac power input end (3) is electrically connected with by line filter (4) and rectifier (5), The exchanger (6) is connected with rectifier (5), and exchanger (6) is connected by rectifier filter (7) with on-off circuit (8) Connect, current over-load protector (9) is provided with the on-off circuit (8), the overvoltage protection device (10) is by PWM controller (11) it is electrically connected with on-off circuit (8), and overvoltage protection device (10) is connected with DC power output end (14), it is described low Voltage protector (12) is electrically connected with warning device (13), and low voltage protector (12) and DC power output end (14) phase Connection, the DC power output end (14) is connected with on-off circuit (8).

2. a kind of intelligent switch voltage-stabilized power supply circuit according to claim 1, it is characterised in that：The LCD Controlling screen (101) it is electrically connected with on-off circuit (8).

3. a kind of intelligent switch voltage-stabilized power supply circuit according to claim 1, it is characterised in that：The infrared temperature prison Survey device (2) to be electrically connected with warning device (13).

4. a kind of intelligent switch voltage-stabilized power supply circuit according to claim 1, it is characterised in that：The on-off circuit (8) It is made up of single-chip microcomputer and reset circuit.

5. a kind of intelligent switch voltage-stabilized power supply circuit according to claim 1, it is characterised in that：The warning device (13) It is made up of two kinds of chimes of dooms of long song and short song.