CN207529333U - Computer with anti-electric current impact function - Google Patents
Computer with anti-electric current impact function Download PDFInfo
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- CN207529333U CN207529333U CN201721853045.9U CN201721853045U CN207529333U CN 207529333 U CN207529333 U CN 207529333U CN 201721853045 U CN201721853045 U CN 201721853045U CN 207529333 U CN207529333 U CN 207529333U
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- diode
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Abstract
The utility model discloses a kind of computers with anti-electric current impact function, including shell, circuit main board is equipped in shell, circuit main board is equipped with anti-rush of current circuit, anti- rush of current circuit includes 220V alternating currents, first diode, second diode, third diode, 4th diode, 5th diode, 6th diode, first resistor, second resistance, first capacitance, second capacitance, third capacitance, thyristor, first triode, second triode, transformer, reactor and voltage output end, one end of 220V alternating currents anode with the first diode respectively, one end of 3rd resistor is connected with the cathode of third diode, the other end of the 220V alternating currents anode with the second diode respectively, one end of second resistance is connected with the cathode of the 4th diode.The circuit structure of the utility model is relatively simple, cost is relatively low, the safety and reliability of circuit is higher.
Description
Technical field
The utility model is related to computer realm, more particularly to a kind of computer with anti-electric current impact function.
Background technology
It has an extremely important influence on human production activities and social activities for computer, and with powerful vitality
Rapid development.Its application field, to the every field of society, it is huge to have formd scale from initial military research application extension
Big computer industry, has driven the technological progress of global range, has thus caused deep social change, and computer has been spread
General school, enterprises and institutions, into common people family, become essential tool in information-intensive society.Computer application
More and more common in China, after reform and opening-up, the quantity of China Computer Users is constantly soaring, and application level is continuously improved.
The circuit part of traditional computer it is complicated, hardware cost is higher.In addition, the circuit part of traditional computer due to
Lack corresponding defencive function, the safety and reliability for causing circuit is not high.
Utility model content
The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide a kind of circuit knot
The computer with anti-electric current impact function that structure is relatively simple, cost is relatively low, the safety and reliability of circuit is higher.
Technical solution is used by the utility model solves its technical problem：Construction is a kind of to have anti-electric current impact function
Computer, including shell, circuit main board is equipped in the shell, the circuit main board is equipped with anti-rush of current circuit, institute
It states anti-rush of current circuit and includes 220V alternating currents, the first diode, the second diode, third diode, the 4th diode, the
Five diodes, the 6th diode, first resistor, second resistance, the first capacitance, the second capacitance, third capacitance, thyristor, first
Triode, the second triode, transformer, reactor and voltage output end, one end of the 220V alternating currents is respectively with described
The anode of one diode, one end of 3rd resistor are connected with the cathode of third diode, the other end point of the 220V alternating currents
Cathode not with the anode of second diode, one end of second resistance and the 4th diode is connect, the 3rd resistor
The other end is connect with one end of the second resistance, and the other end of the second resistance and the base stage of first triode connect
It connects, the anode of the cathode of first diode respectively with the cathode of second diode and thyristor is connect, the crystalline substance lock
The control pole of pipe is connect with one end of the primary coil of the transformer；
The one end of the cathode of the thyristor respectively with one end of the second resistance and the first capacitance is connect, and described second
The other end of resistance is connect with the collector of first triode, the emitter of first triode respectively with the third
The other end connection of the anode of diode, the anode of the 4th diode and the first capacitance, the collector of first triode is also
It is connect by the third capacitance with the base stage of second triode, collector and the transformer of second triode
Primary coil the other end connection, the emitter of second triode is connect with the other end of first capacitance, described
One end of the secondary coil of transformer is connect with the anode of the 5th diode, cathode and the electricity of the 5th diode
One end connection of anti-device, the other end of the reactor connect respectively with one end of second capacitance and one end of voltage output end
Connect, the other end of the secondary coil of the transformer respectively with the other end of second capacitance and the other end of voltage output end
Connection, the capacitance of the third capacitance is 750pF, and the resistance value of the 3rd resistor is 4.3k Ω.
Described in the utility model in the computer of anti-electric current impact function, the anti-rush of current circuit also wraps
The 6th diode is included, the anode of the 6th diode is connect with the control pole of the thyristor, the moon of the 6th diode
Pole is connect with one end of the secondary coil of the transformer, the model S-822 of the 6th diode.
Described in the utility model in the computer of anti-electric current impact function, the anti-rush of current circuit also wraps
Include the 4th resistance, one end of the 4th resistance is connect with the emitter of first triode, the 4th resistance it is another
End is connect with the anode of the 4th diode, and the resistance value of the 4th resistance is 7.5k Ω.
Described in the utility model in the computer of anti-electric current impact function, the anti-rush of current circuit also wraps
Include the 5th resistance, one end of the 5th resistance is connect with the emitter of second triode, the 5th resistance it is another
End is connect with the other end of first capacitance, and the resistance value of the 5th resistance is 8.2k Ω.
Described in the utility model in the computer of anti-electric current impact function, first triode and the two or three
Pole pipe is NPN type triode.
Implement the computer with anti-electric current impact function of the utility model, have the advantages that：Due to being equipped with
Anti- rush of current circuit includes 220V alternating currents, the first diode, the second diode, third diode, the 4th diode, the 5th
Diode, the 6th diode, first resistor, second resistance, the first capacitance, the second capacitance, third capacitance, thyristor, the one or three
Pole pipe, the second triode, transformer, reactor and voltage output end, the anti-rush of current circuit is relative to of the prior art
Anti-impact circuit, the component used is less, can reduce hardware cost in this way, in addition, third capacitance is used to prevent first
Interference between triode and the second triode, 3rd resistor for carrying out current-limiting protection, therefore circuit structure it is relatively simple, into
This relatively low, circuit safety and reliability is higher.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is anti-rush of current circuit in the computer one embodiment of the utility model with anti-electric current impact function
Electrical block diagram.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It, should be with anti-electric current impact function in the computer embodiment that there is anti-electric current impact function in the utility model
Computer includes shell, and circuit main board is equipped in shell, and circuit main board is equipped with anti-rush of current circuit, the anti-rush of current electricity
The electrical block diagram on road is as shown in Figure 1.In Fig. 1, which includes 220V alternating currents, the first diode
D1, the second diode D2, third diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, first resistor
R1, second resistance R2, the first capacitance C1, the second capacitance C2, third capacitance C3, thyristor SCR, the first triode Q1, the two or three
Pole pipe Q2, transformer T, reactor L and voltage output end Vo, 220V alternating current one end sun with the first diode D1 respectively
Pole, 3rd resistor R1 one end connected with the cathode of third diode D3, the other ends of 220V alternating currents respectively with the two or two pole
The anode of pipe D2, one end of second resistance R2 are connected with the cathode of the 4th diode D4, the other end of 3rd resistor R3 and second
One end connection of resistance R2, the other end of second resistance R2 are connect with the base stage of the first triode Q1, the moon of the first diode D1
Anode of the pole respectively with the cathode of the second diode D2 and thyristor SCR is connect, and the control pole of thyristor SCR is with transformer T's
One end connection of primary coil.
The one end of the cathode of thyristor SCR respectively with one end of second resistance R2 and the first capacitance C1 is connect, second resistance
The other end of R2 is connect with the collector of the first triode Q1, and the emitter of the first triode Q1 is respectively with third diode D3's
The other end connection of anode, the anode of the 4th diode D4 and the first capacitance C1, the collector of the first triode Q1 is also by the
Three capacitance C3 are connect with the base stage of the second triode Q2, and the collector of the second triode Q2 is another with the primary coil of transformer T
One end connects, and the emitter of the second triode Q2 is connect with the other end of the first capacitance C1, one end of the secondary coil of transformer T
It is connect with the anode of the 5th diode D5, the cathode of the 5th diode D5 is connect with one end of reactor L, and reactor L's is another
One end respectively with one end of the second capacitance C2 and voltage output end Vo is held to connect, the other end point of the secondary coil of transformer T
The other end not with the other end of the second capacitance C2 and voltage output end Vo is connect.
The circuit of the anti-rush of current circuit is relative to traditional anti-impact circuit, and the component used is less, circuit
Structure is relatively simple, can reduce hardware cost in this way.In addition, third capacitance C3 is coupled capacitor, for preventing the one or three pole
Interference between pipe Q1 and the second triode Q2,3rd resistor R3 is current-limiting resistance, for 220V alternating currents and first resistor
Branch between R1 carries out current-limiting protection, therefore the safety and reliability of circuit is higher.It is noted that the present embodiment
In, the capacitance of third capacitance C3 is 750pF, and the resistance value of 3rd resistor R3 is 4.3k Ω, certainly, in practical applications, third
The capacitance of capacitance C3 and the resistance value of 3rd resistor R3 can adjust accordingly as the case may be.
It is noted that in the present embodiment, the first triode Q1 and the second triode Q2 are NPN type triode.When
So, in practical applications, the first triode Q1 and the second triode Q2 can also be PNP type triode, but at this moment circuit
Structure also will accordingly change.
In the present embodiment, when detecting that momentary power failure occurs for the anti-rush of current circuit, the triggering of the second triode Q2
Signal is closed, and cuts off the control trigger signal of thyristor, it is ensured that can anti-rush of current when power supply recloses.
In the present embodiment, which further includes the 6th diode D6, anode and the crystalline substance of the 6th diode D6
The control pole connection of brake tube SCR, the cathode of the 6th diode D6 are connect with one end of the secondary coil of transformer T.Six or two pole
Pipe D6 is Current Limiting Diodes, current-limiting protection is carried out for the branch where the primary coil to transformer T, to further enhance electricity
The safety and reliability on road is higher.It is noted that in the present embodiment, the model S-822 of the 6th diode D6, when
So, in practical applications, the 6th diode D6 can also select diode of other models with similar functions.
In the present embodiment, which further includes the 4th resistance R4, one end and the one or three of the 4th resistance R4
The emitter connection of pole pipe Q1, the other end of the 4th resistance R4 are connect with the anode of the 4th diode R4.4th resistance R4 is limited
Leakage resistance, for carrying out current-limiting protection to the emitter current of the first triode Q1, further to enhance the safety of circuit
And reliability.It is noted that in the present embodiment, the resistance value of the 4th resistance R4 is 7.5k Ω, certainly, in practical applications,
The resistance value of 4th resistance R4 can also adjust accordingly as the case may be.
In the present embodiment, which further includes the 5th resistance R5, one end and the two or three of the 5th resistance R5
The emitter connection of pole pipe Q2, the other end of the 5th resistance R5 are connect with the other end of the first capacitance C1.5th resistance R5 is limited
Leakage resistance, for carrying out current-limiting protection to the emitter current of the second triode Q2, to further enhance current limitation effect.It is worth one
It being mentioned that, in the present embodiment, the resistance value of the 5th resistance R5 is 8.2k Ω, certainly, and in practical applications, the resistance value of the 5th resistance R5
It can adjust accordingly as the case may be.
In short, in the present embodiment, which uses relative to anti-impact circuit of the prior art
Component is less, and circuit structure is relatively simple, can reduce hardware cost in this way, in addition, being equipped in the anti-rush of current circuit
Coupled capacitor and current-limiting resistance, therefore the safety and reliability of circuit is higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of computer with anti-electric current impact function, which is characterized in that including shell, circuit master is equipped in the shell
Plate, the circuit main board are equipped with anti-rush of current circuit, and the anti-rush of current circuit includes 220V alternating currents, the one or two pole
Pipe, the second diode, third diode, the 4th diode, the 5th diode, the 6th diode, first resistor, second resistance,
First capacitance, the second capacitance, third capacitance, thyristor, the first triode, the second triode, transformer, reactor and voltage are defeated
Outlet, one end of the 220V alternating currents respectively with the anode of first diode, one end and the three or two pole of 3rd resistor
The cathode connection of pipe, the other ends of the 220V alternating currents respectively with the anode of second diode, one end of second resistance
It being connected with the cathode of the 4th diode, the other end of the 3rd resistor is connect with one end of the second resistance, and described second
The other end of resistance is connect with the base stage of first triode, the cathode of first diode respectively with the two or two pole
The cathode of pipe is connected with the anode of thyristor, and the control pole of the thyristor and one end of the primary coil of the transformer connect
It connects；
The one end of the cathode of the thyristor respectively with one end of the second resistance and the first capacitance is connect, the second resistance
The other end connect with the collector of first triode, the emitter of first triode respectively with the three or two pole
The other end connection of the anode of pipe, the anode of the 4th diode and the first capacitance, the collector of first triode also pass through
The third capacitance is connect with the base stage of second triode, the collector of second triode and the transformer just
The other end connection of grade coil, the emitter of second triode are connect with the other end of first capacitance, the transformation
One end of the secondary coil of device is connect with the anode of the 5th diode, cathode and the reactor of the 5th diode
One end connection, the one end of the other end of the reactor respectively with one end of second capacitance and voltage output end connect,
The other end of the secondary coil of the transformer connects respectively with the other end of the other end of second capacitance and voltage output end
It connects, the capacitance of the third capacitance is 750pF, and the resistance value of the 3rd resistor is 4.3k Ω.
2. the computer according to claim 1 with anti-electric current impact function, which is characterized in that the anti-rush of current
Circuit further includes the 6th diode, and the anode of the 6th diode is connect with the control pole of the thyristor, and the described 6th 2
The cathode of pole pipe is connect with one end of the secondary coil of the transformer, the model S-822 of the 6th diode.
3. the computer according to claim 2 with anti-electric current impact function, which is characterized in that the anti-rush of current
Circuit further includes the 4th resistance, and one end of the 4th resistance is connect with the emitter of first triode, the 4th electricity
The other end of resistance is connect with the anode of the 4th diode, and the resistance value of the 4th resistance is 7.5k Ω.
4. the computer according to claim 3 with anti-electric current impact function, which is characterized in that the anti-rush of current
Circuit further includes the 5th resistance, and one end of the 5th resistance is connect with the emitter of second triode, the 5th electricity
The other end of resistance is connect with the other end of first capacitance, and the resistance value of the 5th resistance is 8.2k Ω.
5. the computer according to any one of claims 1 to 4, with anti-electric current impact function, which is characterized in that institute
It is NPN type triode to state the first triode and the second triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853045.9U CN207529333U (en) | 2017-12-25 | 2017-12-25 | Computer with anti-electric current impact function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853045.9U CN207529333U (en) | 2017-12-25 | 2017-12-25 | Computer with anti-electric current impact function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529333U true CN207529333U (en) | 2018-06-22 |
Family
ID=62576722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721853045.9U Expired - Fee Related CN207529333U (en) | 2017-12-25 | 2017-12-25 | Computer with anti-electric current impact function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529333U (en) |
-
2017
- 2017-12-25 CN CN201721853045.9U patent/CN207529333U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20191225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |