CN206541269U - A kind of computer power-off protection device - Google Patents
A kind of computer power-off protection device Download PDFInfo
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- CN206541269U CN206541269U CN201720226335.4U CN201720226335U CN206541269U CN 206541269 U CN206541269 U CN 206541269U CN 201720226335 U CN201720226335 U CN 201720226335U CN 206541269 U CN206541269 U CN 206541269U
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Abstract
A kind of computer power-off protection device.The utility model is related to a kind of computer power-off protection device.Include battery in described plate, described battery connection delay circuit plate, described demonstration circuit board includes alternating current import AC, described alternating current import AC one end key switch AN in parallel one end single-pole double-throw switch (SPDT) K in parallel with single-pole double-throw switch (SPDT) K the 3rd end key switch AN other end one end, Yan Guan one end, resistance R1 one end and electric capacity C1 one end, the described resistance R1 other end are held with being connected No. 4 of rectification circuit after electric capacity C1 other end parallel connection；The other end of No. 2 end parallel connection Yan Guan of the described rectification circuit other end, the one end prolonged out and alternating current import AC, the described other end prolonged out connects the single-pole double-throw switch (SPDT) K other end.The utility model is protected for computer circuit breaking.
Description
Technical field
The utility model is related to a kind of computer power-off protection device.
Background technology
The necessity that present computer has learnt as daily life, due to calculator memory storage compared with multifile and from
The dynamic holding time, interval was up to 5 minutes so that, it is necessary to manually be preserved manually in routine use, but was due to that power-off exists
In a flash, after main frame automatic shutdown, the file not preserved disappears at once, easily causes irremediable damage to user
Lose.
The content of the invention
The purpose of this utility model is to provide a kind of computer power-off protection device, to solve the above problems, both can be with
In the time-delay closing computer in a flash of power-off, help is preserved file.
Above-mentioned purpose is realized by following technical scheme：
A kind of computer power-off protection device, its composition includes：Plug 1, the top of described plug 1 sets plate 2, institute
Insertion display power supply line and mainframe box power line on two three jacks 3, three described jacks 3 are set on the plate 2 stated；
Include battery 4, the described connection delay circuit plate of battery 4, described delay circuit plate in described plate 2
Including alternating current import AC, described alternating current import AC one end key switch AN in parallel one end and single-pole double-throw switch (SPDT) K
The 3rd end key switch AN other end single-pole double-throw switch (SPDT) K in parallel one end, Yan Guan one end, resistance R1 one end and electricity
Hold C1 one end, No. 4 ends of rectification circuit are connected after the described resistance R1 other end is in parallel with the electric capacity C1 other end；
No. 2 of the described rectification circuit end parallel connection Yan Guan other end, the one end prolonged out and alternating current import AC it is another
End, the described other end prolonged out connects the single-pole double-throw switch (SPDT) K other end；
No. 1 end shunt capacitance C2 of described rectification circuit one end, diode D1 one end, resistance D4 one end, core
The one end at No. 1 of piece U1 end, electric capacity C4 one end and diode D3；
No. 3 of the described electric capacity C2 other end shunt rectifier circuit end, resistance R2 one end, described resistance R2's is another
One end parallel diode D1 other end, electric capacity C3 one end, chip U1 No. 4 ends, chip U1 No. 8 ends, diode D2
One end of one end, relay J one end and diode D4；
Described electric capacity C3 other end parallel chip U1 No. 6 ends, chip U1 No. 2 ends, resistance R3 one end, it is described
Resistance R3 other end connection resistance R4 the other end；
Described diode D2 other end connection resistance R6 one end, described resistance R6 other end parallel chip U1
No. 3 ends, resistance R5 one end, the relay J other end and diode the D4 other end, the described resistance R5 other end connects
Connect the diode D3 other end.
A kind of described computer power-off protection device, the side of described plug 1 connects L bracket 5, described L-shaped
Support 5 coordinates plate 2 to use.
Beneficial effect：
1. L bracket of the present utility model coordinates plug to support plate together, consolidate plate, it is ensured that the stabilization used
Property.
2. delay circuit plate of the present utility model, can be delayed power-off, help to carry out the preservation of file, reduce loss.
Brief description of the drawings：
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is circuit theory diagrams of the present utility model.
Embodiment：
Embodiment 1
A kind of computer power-off protection device, its composition includes：Plug 1, the top of described plug 1 sets plate 2, institute
Insertion display power supply line and mainframe box power line on two three jacks 3, three described jacks 3 are set on the plate 2 stated；
Include battery 4, the described connection delay circuit plate of battery 4, described delay circuit plate in described plate 2
Including alternating current import AC, described alternating current import AC one end key switch AN in parallel one end and single-pole double-throw switch (SPDT) K
The 3rd end key switch AN other end single-pole double-throw switch (SPDT) K in parallel one end, Yan Guan one end, resistance R1 one end and electricity
Hold C1 one end, No. 4 ends of rectification circuit are connected after the described resistance R1 other end is in parallel with the electric capacity C1 other end；
No. 2 of the described rectification circuit end parallel connection Yan Guan other end, the one end prolonged out and alternating current import AC it is another
End, the described other end prolonged out connects the single-pole double-throw switch (SPDT) K other end；
No. 1 end shunt capacitance C2 of described rectification circuit one end, diode D1 one end, resistance D4 one end, core
The one end at No. 1 of piece U1 end, electric capacity C4 one end and diode D3；
No. 3 of the described electric capacity C2 other end shunt rectifier circuit end, resistance R2 one end, described resistance R2's is another
One end parallel diode D1 other end, electric capacity C3 one end, chip U1 No. 4 ends, chip U1 No. 8 ends, diode D2
One end of one end, relay J one end and diode D4；
Described electric capacity C3 other end parallel chip U1 No. 6 ends, chip U1 No. 2 ends, resistance R3 one end, it is described
Resistance R3 other end connection resistance R4 the other end；
Described diode D2 other end connection resistance R6 one end, described resistance R6 other end parallel chip U1
No. 3 ends, resistance R5 one end, the relay J other end and diode the D4 other end, the described resistance R5 other end connects
Connect the diode D3 other end.
Embodiment 2
A kind of computer power-off protection device described in embodiment 1, the side of described plug 1 connects L bracket 5, institute
The L bracket 5 stated coordinates plate 2 to use.
Chip U1 model NE555.
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in essential scope of the present utility model, also should
Belong to protection domain of the present utility model.
Claims (2)
1. a kind of computer power-off protection device, its composition includes：Plug（1）, it is characterized in that：Described plug（1）Top
Plate is set（2）, described plate（2）Two three jacks of upper setting（3）, described three jacks（3）Upper insertion display
Power line and mainframe box power line；
Described plate（2）It is interior including battery（4）, described battery（4）Connect delay circuit plate, described delay circuit
Plate includes alternating current import AC, described alternating current import AC one end key switch AN in parallel one end and single-pole double-throw switch (SPDT)
K the 3rd end key switch AN other end single-pole double-throw switch (SPDT) K in parallel one end, Yan Guan one end, resistance R1 one end with
Electric capacity C1 one end, is connected No. 4 ends of rectification circuit after the described resistance R1 other end is in parallel with the electric capacity C1 other end；
The other end of No. 2 end parallel connection Yan Guan of the described rectification circuit other end, the one end prolonged out and alternating current import AC, institute
The other end prolonged out the connection single-pole double-throw switch (SPDT) K stated the other end；
No. 1 end shunt capacitance C2 of described rectification circuit one end, diode D1 one end, resistance D4 one end, chip U1
No. 1 end, electric capacity C4 one end and diode D3 one end；
No. 3 of the described electric capacity C2 other end shunt rectifier circuit end, resistance R2 one end, the described resistance R2 other end
The parallel diode D1 other end, electric capacity C3 one end, chip U1 No. 4 ends, chip U1 No. 8 ends, diode D2 one end,
Relay J one end and diode D4 one end；
Described electric capacity C3 other end parallel chip U1 No. 6 ends, chip U1 No. 2 ends, resistance R3 one end, described electricity
Hinder the R3 other end connection resistance R4 other end；
Described diode D2 other end connection resistance R6 one end, the 3 of described resistance R6 other end parallel chip U1
Number end, resistance R5 one end, the relay J other end and diode the D4 other end, described resistance R5 other end connection
The diode D3 other end.
2. a kind of computer power-off protection device according to claim 1, it is characterized in that：Described plug（1）Side
Connect L bracket（5）, described L bracket（5）Coordinate plate（2）Use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226335.4U CN206541269U (en) | 2017-03-09 | 2017-03-09 | A kind of computer power-off protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226335.4U CN206541269U (en) | 2017-03-09 | 2017-03-09 | A kind of computer power-off protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541269U true CN206541269U (en) | 2017-10-03 |
Family
ID=59942013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720226335.4U Active CN206541269U (en) | 2017-03-09 | 2017-03-09 | A kind of computer power-off protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541269U (en) |
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2017
- 2017-03-09 CN CN201720226335.4U patent/CN206541269U/en active Active
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