CN207530797U - There is the computer of delays time to control - Google Patents
There is the computer of delays time to control Download PDFInfo
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- CN207530797U CN207530797U CN201721853065.6U CN201721853065U CN207530797U CN 207530797 U CN207530797 U CN 207530797U CN 201721853065 U CN201721853065 U CN 201721853065U CN 207530797 U CN207530797 U CN 207530797U
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Abstract
There is the computer of delays time to control the utility model discloses a kind of,Including shell,Circuit main board is equipped in shell,Circuit main board is equipped with delay control circuit,Delay control circuit includes first resistor,Second resistance,3rd resistor,First triode,Second triode,First capacitance,Second capacitance,Thyristor,First zener diode,Second rectifier diode,Computer power supply and switch,One end of first resistor respectively with one end of second resistance,The cathode of the anode of thyristor and the second rectifier diode connects,The other end of the first resistor cathode with the first zener diode respectively,One end of the emitter of first triode and the first capacitance connects,The one end of the anode of first zener diode respectively with the collector of the first triode and the second capacitance is connect,The other end of second capacitance is connect with the base stage of the second triode.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 realms, more particularly to a kind of to have the function of the computer of delays time to control.
Background technology
Computer is commonly called as computer, is a kind of electronic computer device for supercomputing, can carry out numerical computations, and can
To carry out logical calculated, also there is store-memory.It is that can be run according to program, it is automatic, high speed processing mass data
Modernize intelligent electronic device.It is made of hardware system and software systems, the computer for being fitted without any software is referred to as naked
Machine.And computer use finishes, certain programs must still be run, also must etc. a few minutes can power off, at this time to need leave
User make troubles.Using one key control computer time-delay closing of delay control circuit in traditional technology, to user with
To facilitate.However the structure of the delay control circuit of the computer in traditional technology is complex, hardware cost is higher.In addition,
Since the delay control circuit of traditional computer lacks corresponding circuit protection function, the safety and reliability of circuit is caused
It 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
Structure is relatively simple, cost is relatively low, the safety and reliability of circuit is higher has the function of the computer of delays time to control.
Technical solution is used by the utility model solves its technical problem：Constructing a kind of has the function of delays time to control
Computer including shell, is equipped with circuit main board, the circuit main board is equipped with delay control circuit, described to prolong in the shell
When control circuit include first resistor, second resistance, 3rd resistor, the first triode, the second triode, the first capacitance, second
Capacitance, thyristor, the first zener diode, the second rectifier diode, computer power supply and switch, one end of the first resistor
The cathode with one end of the second resistance, the anode of thyristor and the second rectifier diode is connect respectively, the first resistor
The other end respectively with one end of the cathode of first zener diode, the emitter of the first triode and the first capacitance connect
It connecing, the one end of the anode of first zener diode respectively with the collector of first triode and the second capacitance is connect,
The other end of second capacitance is connect with the base stage of second triode, the base stage of first triode and described second
The base stage connection of triode, the emitter of second triode are connect with one end of the 3rd resistor, the 3rd resistor
The other end connect with the other end of first capacitance, the collector of second triode respectively with the second resistance
The other end is connected with the control pole of thyristor, and the cathode of the thyristor is connect with the other end of the 3rd resistor, and described
The one end of the anode of two rectifier diodes respectively with one end of the computer power supply and switch is connect, the computer power supply
The other end connects one end of 220V alternating currents, the other end of the switch respectively with the cathode of the thyristor and 220V alternating currents
Other end connection, the resistance value of the 3rd resistor is 3.6k Ω, and the capacitance of second capacitance is 620pF, described first
The model 1N4622, the model 1N4001 of second rectifier diode of zener diode.
There is the computer of delays time to control described in the utility model, the delay control circuit further includes
Three Current Limiting Diodes, the anode of the third Current Limiting Diodes are connect with the other end of the switch, two pole of third current limliting
The cathode of pipe is connect with the other end of the 220V alternating currents, the model e-501 of the third Current Limiting Diodes.
There is the computer of delays time to control described in the utility model, the delay control circuit further includes
Four resistance, one end of the 4th resistance are connect with the cathode of the thyristor, the other end of the 4th resistance with it is described
The other end connection of 220V alternating currents, the resistance value of the 4th resistance is 5.6k Ω.
There is the computer of delays time to control described in the utility model, the delay control circuit further includes
Five resistance, one end of the 5th resistance are connect with the base stage of first triode, the other end of the 5th resistance and institute
The base stage connection of the second triode is stated, the resistance value of the 5th resistance is 4.7k Ω.
There is the computer of delays time to control described in the utility model, first triode is positive-negative-positive three
Pole pipe, second triode are NPN type triode.
That implements the utility model has the function of the computer of delays time to control, has the advantages that：Since delay is controlled
Circuit processed include first resistor, second resistance, 3rd resistor, the first triode, the second triode, the first capacitance, the second capacitance,
Thyristor, the first zener diode, the second rectifier diode, computer power supply and switch, the delay control circuit is relative to biography
The delay control circuit of system computer, the component used is less, can reduce hardware cost in this way, in addition, 3rd resistor
For carrying out current-limiting protection, the second capacitance is used to prevent the interference between the first triode and the second triode, therefore circuit knot
Structure is relatively simple, cost is relatively low, the safety and reliability of circuit 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 the circuit that the utility model has the function of delay control circuit in computer one embodiment of delays time to control
Structure 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.
In the utility model has the function of the computer embodiment of delays time to control, there should be the calculating of delays time to control
Machine includes shell, is equipped with circuit main board in shell, and circuit main board is equipped with delay control circuit, which includes the
One resistance R1, second resistance R2,3rd resistor R3, the first triode Q1, the second triode Q2, the first capacitance C1, the second capacitance
C2, thyristor SCR, the first zener diode D1, the second rectifier diode D2, computer power supply VCC and switch K, wherein, first
One end of resistance R1 connects respectively with the cathode of one end of second resistance R2, the anode of thyristor SCR and the second rectifier diode D2
Connect, the other end of first resistor R1 respectively with the cathode of the first zener diode D1, the emitter and first of the first triode Q1
One end connection of capacitance C1, the anode of the first zener diode D1 respectively with the collector of the first triode Q1 and the second capacitance C2
One end connection, the other end of the second capacitance C2 connect with the base stage of the second triode Q2.
In the present embodiment, the base stage of the first triode Q1 is connect with the base stage of the second triode Q2, the second triode Q2's
Emitter is connect with one end of 3rd resistor R3, and the other end of 3rd resistor R3 is connect with the other end of the first capacitance C1, and second
Control pole of the collector of triode Q2 respectively with the other end of second resistance R2 and thyristor SCR is connect, the moon of thyristor SCR
Pole is connect with the other end of 3rd resistor R3, the anode of the second rectifier diode D2 respectively with one end of computer power supply VCC and
Switch one end connection of K, one end of the other end connection 220V alternating currents of computer power supply VCC, switch the other end of K respectively with
The cathode of thyristor SCR is connected with the other end of 220V alternating currents.
The delay control circuit is relative to the delay control circuit of traditional computer, and the component used is less, electricity
Line structure is relatively simple, can reduce hardware cost in this way.In addition, 3rd resistor R3 is current-limiting resistance, for the two or three pole
The emitter current of pipe Q2 carries out current-limiting protection.Second capacitance C2 is coupled capacitor, for preventing the first triode Q1 and second
Interference between triode Q2.Therefore the safety and reliability of circuit is higher.It is noted that in the present embodiment, third
The resistance value of resistance R3 is that the capacitance of 3.6k Ω, the second capacitance C2 are 620pF, the model of the first zener diode D1
1N4622, the model 1N4001 of the second rectifier diode D2.Certainly, in practical applications, the resistance value of 3rd resistor R3 and
The capacitance of two capacitance C2 can adjust accordingly as the case may be, and the first zener diode D1 can select its alloytype
Number have similar functions diode, the second rectifier diode D2 can select other models have similar functions diode.
When switch K be closed when, computer power supply VCC connect, the first capacitance C1 without storage charge, switch K disconnect, start into
Enter delay process, electric current is made into half-wave by the second rectifier diode D2, and first resistor R1 charges to the first capacitance C1, the first capacitance
The voltage of C1 slowly rises, but without puncturing the first zener diode D1, therefore the second triode Q2 is off, brilliant lock
Pipe SCR is triggered by second resistance R2, and computer power supply VCC is not powered off, and the resistance value of second resistance R2 cannot be too small, can trigger
Thyristor SCR is degree, and otherwise thyristor SCR triggerings are too early, will be filled on the first capacitance C1 less than enough voltage, the first capacitance C1 fills
When electricity is to more than 20V, the first zener diode D1 breakdown, the first triode Q1 snowslides conducting, the first capacitance C1 is to the two or three pole
Pipe Q2 provides base flow, the second triode Q2 saturations, and thyristor SCR is no longer triggered, and computer power supply VCC dead electricity, computer is closed,
The value of R1*C1 determines delay length.
It is noted that in the present embodiment, the first triode Q1 is PNP type triode, and the second triode Q2 is NPN type
Triode.Certainly, in practical applications, the first triode Q1 may be NPN type triode, and the second triode Q2 may be
PNP type triode, but at this moment the structure of circuit will also change.
In the present embodiment, which further includes third Current Limiting Diodes D3, the sun of third Current Limiting Diodes D3
Pole is connect with switching the other end of K, and the cathode of third Current Limiting Diodes D3 is connect with the other end of 220V alternating currents.Third current limliting
Diode D3 is used to carry out current-limiting protection to the branch where switch K, to further enhance the safety and reliability of circuit.Value
One is obtained to be mentioned that, in the present embodiment, the model e-501 of third Current Limiting Diodes D3, certainly, and in practical applications, third limit
Stream diode D3 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 thyristor SCR of the 4th resistance R4
Cathode connection, the other end of the 4th resistance R4 connect with the other end of 220V alternating currents.4th resistance R4 is current-limiting resistance, is used
In carrying out current-limiting protection to the branch where thyristor SCR, further to enhance the safety and reliability of circuit.It is worth one
It is mentioned that, in the present embodiment, the resistance value of the 4th resistance R4 is 5.6k Ω.Certainly, in practical applications, the resistance value of the 4th resistance R4
It can adjust accordingly as the case may be.
In the present embodiment, which further includes the 5th resistance R5, one end and the one or three pole of the 5th resistance R5
The base stage connection of pipe Q1, the other end of the 5th resistance R5 are connect with the base stage of the second triode Q2.5th resistance R5 is limited galvanic electricity
Resistance carries out current-limiting protection for the branch between the first triode Q1 and the second triode Q2, to further enhance current limliting effect
Fruit.It is noted that in the present embodiment, the resistance value of the 5th resistance R5 is 4.7k Ω, certainly, in practical applications, the 5th electricity
The resistance value of resistance R5 can adjust accordingly as the case may be.
In short, in the present embodiment, which uses relative to the delay control circuit of traditional computer
Component it is less, circuit structure is relatively simple, can reduce hardware cost in this way.In addition, it is equipped in the delay control circuit
Current-limiting resistance and coupled capacitor, 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 have the function of the computer of delays time to control, which is characterized in that including shell, circuit master is equipped in the shell
Plate, the circuit main board are equipped with delay control circuit, and the delay control circuit includes first resistor, second resistance, third
Resistance, the first triode, the second triode, the first capacitance, the second capacitance, thyristor, the first zener diode, the second rectification two
Pole pipe, computer power supply and switch, one end of the first resistor respectively with one end of the second resistance, the anode of thyristor
It is connected with the cathode of the second rectifier diode, the other end of first resistor the moon with first zener diode respectively
One end connection of pole, the emitter of the first triode and the first capacitance, the anode of first zener diode respectively with it is described
One end of the collector of first triode and the second capacitance connects, the other end of second capacitance and second triode
Base stage connects, and the base stage of first triode is connect with the base stage of second triode, the transmitting of second triode
Pole is connect with one end of the 3rd resistor, and the other end of the 3rd resistor is connect with the other end of first capacitance, institute
It states control pole of the collector of the second triode respectively with the other end of the second resistance and thyristor to connect, the thyristor
Cathode connect with the other end of the 3rd resistor, the anode of second rectifier diode respectively with the computer power supply
One end connect with one end of switch, the other end of the computer power supply connects one end of 220V alternating currents, the switch
The other end of the other end respectively with the cathode of the thyristor and 220V alternating currents is connect, and the resistance value of the 3rd resistor is 3.6k
Ω, the capacitance of second capacitance are 620pF, the model 1N4622 of first zener diode, second rectification
The model 1N4001 of diode.
2. according to claim 1 have the function of the computer of delays time to control, which is characterized in that the delay control circuit
Third Current Limiting Diodes are further included, the anode of the third Current Limiting Diodes is connect with the other end of the switch, the third
The cathode of Current Limiting Diodes is connect with the other end of the 220V alternating currents, the model e-501 of the third Current Limiting Diodes.
3. according to claim 2 have the function of the computer of delays time to control, which is characterized in that the delay control circuit
The 4th resistance is further included, one end of the 4th resistance is connect with the cathode of the thyristor, the other end of the 4th resistance
It is connect with the other end of the 220V alternating currents, the resistance value of the 4th resistance is 5.6k Ω.
4. according to claim 3 have the function of the computer of delays time to control, which is characterized in that the delay control circuit
Further include the 5th resistance, one end of the 5th resistance is connect with the base stage of first triode, the 5th resistance it is another
One end is connect with the base stage of second triode, and the resistance value of the 5th resistance is 4.7k Ω.
5. according to any one of claims 1 to 4, have the function of the computer of delays time to control, which is characterized in that described
First triode is PNP type triode, and second triode is NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853065.6U CN207530797U (en) | 2017-12-25 | 2017-12-25 | There is the computer of delays time to control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853065.6U CN207530797U (en) | 2017-12-25 | 2017-12-25 | There is the computer of delays time to control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207530797U true CN207530797U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721853065.6U Expired - Fee Related CN207530797U (en) | 2017-12-25 | 2017-12-25 | There is the computer of delays time to control |
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| Country | Link |
|---|---|
| CN (1) | CN207530797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873722A (en) * | 2018-08-01 | 2018-11-23 | 合肥阅辞科技有限公司 | Wireless intelligent house managing and control system |
-
2017
- 2017-12-25 CN CN201721853065.6U patent/CN207530797U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873722A (en) * | 2018-08-01 | 2018-11-23 | 合肥阅辞科技有限公司 | Wireless intelligent house managing and control system |
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| 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 |
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| CF01 | Termination of patent right due to non-payment of annual fee |