CN204347491U - Main frame and peripheral hardware switching sequence control device - Google Patents
Main frame and peripheral hardware switching sequence control device Download PDFInfo
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- CN204347491U CN204347491U CN201520073958.3U CN201520073958U CN204347491U CN 204347491 U CN204347491 U CN 204347491U CN 201520073958 U CN201520073958 U CN 201520073958U CN 204347491 U CN204347491 U CN 204347491U
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Abstract
Main frame and peripheral hardware switching sequence control device, belong to computer realm, and the utility model is for solution main frame and peripheral hardware switching on and shutting down order are by the insecure problem of manual control.The utility model comprises switch S, single phase bridge type rectifier circu UR, power cut off delay time relay K1, auxiliary reclay K2, CD4060 binary counter, resistance R1 ~ R5, slide rheostat RP, electric capacity C1, C2, NPN triode VT1 and VT2; 220V AC power exports direct supply through bridge rectifier circuit UR and provides working power for CD4060; Switch S close, K1 coil obtains electric, peripheral hardware first electric; Obtain electric after main frame time delay; Switch S disconnects, then K2 coil losing electricity, main frame momentary power failure, the time delay of power cut off delay time relay K1 dead electricity disconnects its switch, power-off after peripheral hardware.
Description
Technical field
The utility model relates to main frame and peripheral hardware switching sequence control device, belongs to computer realm.
Background technology
The main frame of computing machine and the start of peripheral hardware, shutdown order have strict demand, when starting shooting, establish first, after drive main frame; When shutting down, first close main frame, rear pass peripheral hardware.Peripheral hardware comprises the equipment such as display, printer.If order is got wrong, the dash current the lighter produced during open and close machine causes loss of data, and severe one can cause damaging main frame.And people may not necessarily strictly observe these rules at ordinary times, computing machine is caused to suffer damage.
Summary of the invention
The utility model object be in order to solve main frame and peripheral hardware switching on and shutting down order unreliable by manual control, the problem that computing machine can be caused to suffer damage, provides a kind of main frame and peripheral hardware switching sequence control device.
Main frame described in the utility model and peripheral hardware switching sequence control device, it comprises switch S, single phase bridge type rectifier circu UR, power cut off delay time relay K1, auxiliary reclay K2, CD4060 binary counter, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, slide rheostat RP, electric capacity C1, electric capacity C2, NPN triode VT1 and NPN triode VT2;
One end one end of connecting valve S and power supply terminal of peripheral hardware simultaneously of 220V AC power, the other end of switch S connects a power supply terminal of main frame and an ac input end of single phase bridge type rectifier circu UR simultaneously;
The other end of 220V AC power connects one end of power cut off delay time relay K1 time delay normally opened contact, one end of auxiliary reclay K2 normally opened contact and another ac input end of single phase bridge type rectifier circu UR; The other end of power cut off delay time relay K1 time delay normally opened contact connects another power supply terminal of peripheral hardware; The other end of auxiliary reclay K2 normally opened contact connects another power supply terminal of main frame;
The cathode power supply output terminal of single phase bridge type rectifier circu UR connects one end of one end of power cut off delay time relay K1 coil, one end of auxiliary reclay K2 coil, one end of resistance R3,16 pin of CD4060 binary counter and electric capacity C1 simultaneously;
One end of 11 pin contact resistance R1 of CD4060 binary counter, the other end of resistance R1 connects one end of electric capacity C2 and a stiff end of slide rheostat RP simultaneously, and the other end of electric capacity C2 connects 9 pin of CD4060 binary counter; Another stiff end of slide rheostat RP and one end of movable end contact resistance R2 thereof, the other end of resistance R2 connects 10 pin of CD4060 binary counter;
12 pin of CD4060 binary counter connect the other end of electric capacity C1 and one end of resistance R5 simultaneously;
One end of 3 pin contact resistance R4 of CD4060 binary counter, the other end of resistance R4 connects the base stage of NPN triode VT1, the collector other end of contact resistance R3 and the base stage of NPN triode VT2 simultaneously of NPN triode VT1, the collector of NPN triode VT2 connects the other end of auxiliary reclay K2 coil;
The negative power supply output terminal of single phase bridge type rectifier circu UR connects the other end of the other end of power cut off delay time relay K1 coil, the emitter of NPN triode VT2, the emitter of NPN triode VT1,8 pin of CD4060 binary counter and resistance R5 simultaneously, and ground connection.
Advantage of the present utility model: main frame described in the utility model and peripheral hardware switching sequence control device structure are simple, when easily realizing start, establishes first, after drive main frame; During shutdown, first close main frame, the order of rear pass peripheral hardware, the safety of effective protected host.
Accompanying drawing explanation
Fig. 1 is the structural representation of main frame described in the utility model and peripheral hardware switching sequence control device.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, main frame described in present embodiment and peripheral hardware switching sequence control device, it comprises switch S, single phase bridge type rectifier circu UR, power cut off delay time relay K1, auxiliary reclay K2, CD4060 binary counter, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, slide rheostat RP, electric capacity C1, electric capacity C2, NPN triode VT1 and NPN triode VT2;
One end one end of connecting valve S and power supply terminal of peripheral hardware simultaneously of 220V AC power, the other end of switch S connects a power supply terminal of main frame and an ac input end of single phase bridge type rectifier circu UR simultaneously;
The other end of 220V AC power connects one end of power cut off delay time relay K1 time delay normally opened contact, one end of auxiliary reclay K2 normally opened contact and another ac input end of single phase bridge type rectifier circu UR; The other end of power cut off delay time relay K1 time delay normally opened contact connects another power supply terminal of peripheral hardware; The other end of auxiliary reclay K2 normally opened contact connects another power supply terminal of main frame;
The cathode power supply output terminal of single phase bridge type rectifier circu UR connects one end of one end of power cut off delay time relay K1 coil, one end of auxiliary reclay K2 coil, one end of resistance R3,16 pin of CD4060 binary counter and electric capacity C1 simultaneously;
One end of 11 pin contact resistance R1 of CD4060 binary counter, the other end of resistance R1 connects one end of electric capacity C2 and a stiff end of slide rheostat RP simultaneously, and the other end of electric capacity C2 connects 9 pin of CD4060 binary counter; Another stiff end of slide rheostat RP and one end of movable end contact resistance R2 thereof, the other end of resistance R2 connects 10 pin of CD4060 binary counter;
12 pin of CD4060 binary counter connect the other end of electric capacity C1 and one end of resistance R5 simultaneously;
One end of 3 pin contact resistance R4 of CD4060 binary counter, the other end of resistance R4 connects the base stage of NPN triode VT1, the collector other end of contact resistance R3 and the base stage of NPN triode VT2 simultaneously of NPN triode VT1, the collector of NPN triode VT2 connects the other end of auxiliary reclay K2 coil;
The negative power supply output terminal of single phase bridge type rectifier circu UR connects the other end of the other end of power cut off delay time relay K1 coil, the emitter of NPN triode VT2, the emitter of NPN triode VT1,8 pin of CD4060 binary counter and resistance R5 simultaneously, and ground connection.
The principle of work of the power cut off delay time relay: the power cut off delay time relay has time delay normally opened contact, time delay normally closed contact; Coil obtains electric, and its time delay normally opened contact is instantaneous closed, the instantaneous disconnection of its time delay normally closed contact; During coil losing electricity, its time delay normally opened contact delay recovery off-state, its time delay normally closed contact delay recovery closure state.
Principle of work:
During start, 220V AC rectification is exported+12V direct supply, for CD4060 provides working power by Closing Switch S, single phase bridge type rectifier circu UR.Meanwhile, power cut off delay time relay K1 coil obtains electric, and its time delay normally opened contact is instantaneous closed, peripheral hardware first electric.
C2, R1, R2, RP and CD4060 inner not gate composition RC oscillatory circuit, oscillator frequency is at CD4060 inside composition ten level Four two divided-frequencies, and the 3 pin time delays of CD4060 export high level.When CD4060 obtain electric after, electric capacity C1 start charging, CD4060 carries out time status, after time arrives, its 3 pin exports high level and triggers VT1, VT2 conducting, during VT2 cut-off, the current collection very high level of VT2, namely the two ends of K2 coil are high level, do not have voltage difference, not conducting, when after VT2 conducting, the collector of VT2 is pulled to low level, there is voltage difference in the two ends of K2 coil, K2 coil obtains electric, and the normally opened contact of K2 closes, and main frame obtains electric.When achieving start, establish first, after open the sequential control of main frame.
CD4060 time delay is regulated to export the time of high level signal by regulating RP.
During shutdown, cut-off switch S, auxiliary reclay K2 coil is because of power-off, and its normally opened contact recovers off-state immediately, main frame momentary power failure.
After cut-off switch S, power cut off delay time relay K1 coil losing electricity, its time delay normally opened contact time delay being in closure state disconnects, and peripheral hardware, through just power-off after a period of time, when achieving shutdown, first closes main frame, the sequential control of rear pass peripheral hardware.
Claims (2)
1. main frame and peripheral hardware switching sequence control device, it is characterized in that, it comprises switch S, single phase bridge type rectifier circu UR, power cut off delay time relay K1, auxiliary reclay K2, CD4060 binary counter, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, slide rheostat RP, electric capacity C1, electric capacity C2, NPN triode VT1 and NPN triode VT2;
One end one end of connecting valve S and power supply terminal of peripheral hardware simultaneously of 220V AC power, the other end of switch S connects a power supply terminal of main frame and an ac input end of single phase bridge type rectifier circu UR simultaneously;
The other end of 220V AC power connects one end of power cut off delay time relay K1 time delay normally opened contact, one end of auxiliary reclay K2 normally opened contact and another ac input end of single phase bridge type rectifier circu UR; The other end of power cut off delay time relay K1 time delay normally opened contact connects another power supply terminal of peripheral hardware; The other end of auxiliary reclay K2 normally opened contact connects another power supply terminal of main frame;
The cathode power supply output terminal of single phase bridge type rectifier circu UR connects one end of one end of power cut off delay time relay K1 coil, one end of auxiliary reclay K2 coil, one end of resistance R3,16 pin of CD4060 binary counter and electric capacity C1 simultaneously;
One end of 11 pin contact resistance R1 of CD4060 binary counter, the other end of resistance R1 connects one end of electric capacity C2 and a stiff end of slide rheostat RP simultaneously, and the other end of electric capacity C2 connects 9 pin of CD4060 binary counter; Another stiff end of slide rheostat RP and one end of movable end contact resistance R2 thereof, the other end of resistance R2 connects 10 pin of CD4060 binary counter;
12 pin of CD4060 binary counter connect the other end of electric capacity C1 and one end of resistance R5 simultaneously;
One end of 3 pin contact resistance R4 of CD4060 binary counter, the other end of resistance R4 connects the base stage of NPN triode VT1, the collector other end of contact resistance R3 and the base stage of NPN triode VT2 simultaneously of NPN triode VT1, the collector of NPN triode VT2 connects the other end of auxiliary reclay K2 coil;
The negative power supply output terminal of single phase bridge type rectifier circu UR connects the other end of the other end of power cut off delay time relay K1 coil, the emitter of NPN triode VT2, the emitter of NPN triode VT1,8 pin of CD4060 binary counter and resistance R5 simultaneously, and ground connection.
2. main frame and peripheral hardware switching sequence control device according to claim 1, is characterized in that, single phase bridge type rectifier circu UR is the bridge rectifier circuit that four diodes are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073958.3U CN204347491U (en) | 2015-01-30 | 2015-01-30 | Main frame and peripheral hardware switching sequence control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520073958.3U CN204347491U (en) | 2015-01-30 | 2015-01-30 | Main frame and peripheral hardware switching sequence control device |
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| Publication Number | Publication Date |
|---|---|
| CN204347491U true CN204347491U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520073958.3U Expired - Fee Related CN204347491U (en) | 2015-01-30 | 2015-01-30 | Main frame and peripheral hardware switching sequence control device |
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| Country | Link |
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| CN (1) | CN204347491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743472A (en) * | 2016-05-03 | 2016-07-06 | 黄月华 | 12v electronic type adjustable timing switch assembly |
| CN108566103A (en) * | 2018-05-11 | 2018-09-21 | 南京恩瑞特实业有限公司 | A key switch machine device and its implementation for secondary radar |
-
2015
- 2015-01-30 CN CN201520073958.3U patent/CN204347491U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743472A (en) * | 2016-05-03 | 2016-07-06 | 黄月华 | 12v electronic type adjustable timing switch assembly |
| CN108566103A (en) * | 2018-05-11 | 2018-09-21 | 南京恩瑞特实业有限公司 | A key switch machine device and its implementation for secondary radar |
| CN108566103B (en) * | 2018-05-11 | 2020-06-02 | 南京恩瑞特实业有限公司 | One-key switch device for secondary radar and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20170130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |