CN206363256U - A kind of computer power-off protection device - Google Patents

Abstract

The utility model discloses a kind of computer power-off protection device, including computer body, the computer body is electrically connected with by wire and power-off protector, the power-off protector includes shell, power interface, batteries, power transformer, inverter and wave filter, the output end of the power interface is electrically connected with power transformer and change-over switch respectively, the output end of the power transformer is electrically connected with batteries, the input of the batteries output end and inverter is electrically connected with, the output end of the inverter is electrically connected with change-over switch, the change-over switch is electrically connected with wave filter, the output end of the wave filter is electrically connected by wire with the power interface of computer body, the utility model can be after civil power power-off, for computer temporary power, provide the user with the unused time, avoid bringing the damage of software and hardware or the loss of data information because of power-off, effectively computer is protected not suffer damage.

Description

A kind of computer power-off protection device

Technical field

The utility model belongs to computer hardware equipment technical field, and in particular to a kind of computer power-off protection device.

Background technology

With the development of science and technology, computer is increasingly popularized, the important tool of the long work of people day has been increasingly becoming. The data processing of computer and storage capacity are very powerful, are one of current most popular electronic equipment, most of information The processing and storage of data are all completed by computer.The computer desktop computer of prior art needs power supply to power ability Use, but computer there is a situation where to power off suddenly during use, when unexpected interruption occurs for power supply, not yet protect The various data handled deposited can also stop immediately, and most data can lose, and power-off can cause us to enter Capable work give up halfway, it is necessary to again spend time and efforts go to complete it, time and efforts is wasted significantly.

Utility model content

The purpose of this utility model is to provide a kind of computer power-off protection device, to solve to carry in above-mentioned background technology The problem of going out.

To achieve the above object, the utility model provides following technical scheme：A kind of computer power-off protection device, including Computer body, the computer body is electrically connected with by wire and power-off protector, and the power-off protector passes through wire It is electrically connected with mains supply interface, the power-off protector includes shell, power interface, batteries, power transformer, inverse Become device and wave filter, the power interface, batteries, power transformer, inverter and wave filter are separately positioned in shell, The input of the power interface is connected by wire and mains supply, the output end of the power interface respectively with power supply transformation Device and change-over switch are electrically connected with, and output end and the batteries of the power transformer are electrically connected with, and the batteries are defeated Go out end and the input of inverter is electrically connected with, output end and the change-over switch of the inverter are electrically connected with, and the conversion is opened Close and be electrically connected with wave filter, the output end of the wave filter is connected by the electrical input socket of wire and computer body.

It is preferred that, it is additionally provided with automatic charging/discharging control device between the power transformer and batteries.

It is preferred that, the automatic charging/discharging control device includes Phase-controlled Converters, voltage sensor, current sensor, micro- Machine controller and test circuit for cell status, output voltage and the voltage sensor of the Phase-controlled Converters are electrically connected with, described The output currents of Phase-controlled Converters is electrically connected with current sensor, the output end of the voltage sensor and current sensor with Microcomputerized controller is electrically connected with, and the Phase-controlled Converters and batteries are electrically connected with, the output end of the microcomputerized controller with The input of Phase-controlled Converters is electrically connected with, and the test circuit for cell status is electrical with batteries and microcomputerized controller respectively Connection.

It is preferred that, the batteries are plumbic acid maintenance-free batteries.

It is preferred that, the power-off protector also includes radiator, and radiator is fixedly mounted on the inside of shell, and radiating Device is fan type radiator.

Technique effect of the present utility model and advantage：The computer power-off protection device, desktop computer is by wire with breaking Non-electricity protector is connected, and power-off protector is connected with mains supply, and batteries and change-over switch are provided with inside power-off protector, Under non-powering-off state, computer can be directly connected to use with civil power, in the event of power-off, change-over switch automatic switchover electric wire Road, the electric energy of batteries accumulation can be computer temporary power, family control computer normal shutdown can be used, it is to avoid non-because powering off Method is shut down and brings the damage of software and hardware or the loss of data information, effectively protects computer not suffer damage.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is automatic charging/discharging control device module diagram of the present utility model；

Connection diagram when Fig. 3 is utility model works.

In figure：1 power-off protector, 2 shells, 3 power interfaces, 4 batteries, 5 power transformers, 6 inverters, 7 filtering Device, 8 automatic charging/discharging control devices, 9 change-over switches, 10 computer bodies, 11 mains supply interfaces.

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 obtained, belongs to the scope of the utility model protection.

The utility model provides a kind of computer power-off protection device as Figure 1-3, including computer body 10, The computer body 10 is electrically connected with by wire with power-off protector 1, and the power-off protector 1 passes through wire and civil power electricity Source interface 11 is electrically connected with, and the power-off protector 1 includes shell 2, power interface 3, batteries 4, power transformer 5, inverse Become device 6 and wave filter 7, the power interface 3, batteries 4, power transformer 5, inverter 6 and wave filter 7 are separately positioned on In shell 2, the input of the power interface 3 is connected by wire with mains supply 11, the output end point of the power interface 3 It is not electrically connected with power transformer 5 and change-over switch 9, output end and the batteries 4 of the power transformer 5 electrically connect Connect, the output end of batteries 4 and the input of inverter 6 are electrically connected with, the output end and change-over switch of the inverter 6 9 are electrically connected with, and the change-over switch 9 is electrically connected with wave filter 7, and the output end of the wave filter 7 passes through wire and computer The electrical input socket connection of body 10.

Specifically, being additionally provided with automatic charging/discharging control device 8 between the power transformer 5 and batteries 4.

Specifically, the automatic charging/discharging control device 8 include Phase-controlled Converters, it is voltage sensor, current sensor, micro- Machine controller and test circuit for cell status, output voltage and the voltage sensor of the Phase-controlled Converters are electrically connected with, described The output currents of Phase-controlled Converters is electrically connected with current sensor, the output end of the voltage sensor and current sensor with Microcomputerized controller is electrically connected with, and the Phase-controlled Converters are electrically connected with batteries 4, the output end of the microcomputerized controller and The input of Phase-controlled Converters is electrically connected with, and the test circuit for cell status is electric with batteries 4 and microcomputerized controller respectively Property connection.The utility model is by setting automatic charging/discharging control device 8, and its Phase-controlled Converters is using three phase model Silicon controlled rectifier, the function of being controlled with voltage stabilizing control and current stabilization, when being charged to batteries 4, current transformer is operated in whole Stream mode, charging current can be adjusted arbitrarily；When being discharged to batteries 4, current transformer is operated in inverter mode, by batteries 4 energy inversion feeds back to power supply, and the size of discharge current also can be adjusted arbitrarily, voltage and current sensor, charging current Size, the big I of the voltage of batteries 4 are detected by detecting the size of single battery, according to the voltage, electric current detected Value controls the overall process of discharge and recharge with the comparative result of set-point, so as to improve the service life of batteries 4.

Specifically, the batteries 4 are plumbic acid maintenance-free batteries, plumbic acid maintenance-free battery has shatter-proof, resistance to The characteristics of high temperature, small volume, small self discharge, the consumption of its electrolyte inside is very small, substantially need not in service life Distilled water is supplemented, so as to improve the new stability.

Specifically, the power-off protector 1 also includes radiator, radiator is fixedly mounted on the inside of shell 2, and dissipates Hot device is fan type radiator, by setting radiator, and power-off protection can be filled to the heat Quick diffusing in device 1, power-off is prevented Each assembly temperature inside protector 1 is too high, influences service life.

Operation principle：The computer power-off protection device, when in use, when mains-supplied is normal, civil power on the one hand can Directly exported by change-over switch 9, filtered device 7 to load end, be that computer body 10 provides electricity consumption, another aspect civil power leads to Become direct current after crossing the rectification of power transformer 5, charged through automatic charging/discharging control device 8 to batteries 4.When civil power is supplied When electricity is interrupted, the electric energy that batteries 4 are stored becomes alternating current by inverter 6, and is powered by the automatic switchover of change-over switch 9 Circuit, is continued to power to load end from wave filter 7, is that computer body 10 provides electricity consumption temporarily.

Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Equivalent substitution is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc., It should be included within protection domain of the present utility model.

Claims (5)

1. a kind of computer power-off protection device, including computer body (10), the computer body (10) by wire with Power-off protector (1) is electrically connected with, and the power-off protector (1) is electrically connected with by wire and mains supply interface (11), its It is characterised by：The power-off protector (1) include shell (2), power interface (3), batteries (4), power transformer (5), Inverter (6) and wave filter (7), the power interface (3), batteries (4), power transformer (5), inverter (6) and filter Ripple device (7) is separately positioned in shell (2), and the input of the power interface (3) is connected by wire and mains supply (11), The output end of the power interface (3) is electrically connected with power transformer (5) and change-over switch (9) respectively, the power supply transformation The output end of device (5) is electrically connected with batteries (4), batteries (4) output end and the input electricity of inverter (6) Property connection, the output end of the inverter (6) is electrically connected with change-over switch (9), the change-over switch (9) and wave filter (7) It is electrically connected with, the output end of the wave filter (7) is connected by wire with the electrical input socket of computer body (10).

2. a kind of computer power-off protection device according to claim 1, it is characterised in that：The power transformer (5) Automatic charging/discharging control device (8) is additionally provided between batteries (4).

3. a kind of computer power-off protection device according to claim 2, it is characterised in that：The automatic inflatable electric control Device (8) includes Phase-controlled Converters, voltage sensor, current sensor, microcomputerized controller and test circuit for cell status, described The output voltage of Phase-controlled Converters is electrically connected with voltage sensor, the output current and current sensor of the Phase-controlled Converters It is electrically connected with, output end and the microcomputerized controller of the voltage sensor and current sensor are electrically connected with, the phased unsteady flow Device is electrically connected with batteries (4), and the output end of the microcomputerized controller and the input of Phase-controlled Converters are electrically connected with, institute Test circuit for cell status is stated to be electrically connected with batteries (4) and microcomputerized controller respectively.

4. a kind of computer power-off protection device according to claim 1, it is characterised in that：The batteries (4) are Plumbic acid maintenance-free batteries.

5. a kind of computer power-off protection device according to claim 1, it is characterised in that：The power-off protector (1) Also include radiator, radiator is fixedly mounted on the inside of shell (2), and radiator is fan type radiator.