CN203786736U - Computer host and peripheral startup and shutdown sequence control device - Google Patents
Computer host and peripheral startup and shutdown sequence control device Download PDFInfo
- Publication number
- CN203786736U CN203786736U CN201420197484.9U CN201420197484U CN203786736U CN 203786736 U CN203786736 U CN 203786736U CN 201420197484 U CN201420197484 U CN 201420197484U CN 203786736 U CN203786736 U CN 203786736U
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- auxiliary reclay
- coil
- start button
- normally opened
- opened contact
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Abstract
The utility model discloses a computer host and peripheral startup and shutdown sequence control device, belongs to the field of computers, and aims to solve the problem that manual control for the computer host and peripheral startup and shutdown sequence is unreliable. The computer host and peripheral startup and shutdown sequence control device comprises a start button SB1 and a stop button SB3 for starting up, a start button SB4 and a stop button SB2 for shutdown, an intermediate relay KA1, an intermediate relay KA2, a power-on delay time relay KT1 and an outage delay time relay KT2, wherein the SB1, the SB2, a normally closed contact KA2-1, a KA1 coil and a KT1 coil are connected between an L1 and a zero line N in series; the SB3, the SB4, a normally closed contact KA1-1, a KA2 coil and a KT2 coil are connected between an L2 and the N in series; the host and a KT1 relay normally open contact are connected between an L3 and the N in series; the peripheral and a normally open contact KA1-3 are connected between the L3 and the N in series; and a delay normally closed contact KT2-1 and a normally open contact KA2-3 are connected at two ends of the normally open contact KA1-3 in parallel.
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 sequentially have strict demand, in when start, establish over first, after drive main frame; When shutdown, 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 who produces 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, cause computing machine to suffer damage.
Summary of the invention
The utility model object is sequentially unreliable by manual control in order to solve main frame and peripheral hardware switching on and shutting down, and the problem that can cause computing machine 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 start gauge tap, shutdown gauge tap, auxiliary reclay KA1, auxiliary reclay KA2, on-delay time relay KT1 and power cut off delay time relay KT2;
Start gauge tap consists of start button SB1 and stop button SB3, start button SB1 and stop button SB3 synchronization action;
Shutdown gauge tap consists of start button SB4 and stop button SB2, start button SB4 and stop button SB2 synchronization action;
Start button SB1, stop button SB2, auxiliary reclay KA2 normally closed contact KA2-1, auxiliary reclay KA1 coil, on-delay time relay KT1 coil are connected between live wire L1 and zero line N; Auxiliary reclay KA1 normally opened contact KA1-2 is connected in parallel on the two ends of start button SB1;
Stop button SB3, start button SB4, auxiliary reclay KA1 normally closed contact KA1-1, auxiliary reclay KA2 coil and power cut off delay time relay KT2 coil are connected between live wire L2 and zero line N; Auxiliary reclay KA2 normally opened contact KA2-2 is connected in parallel on the two ends of start button SB4;
Main frame and on-delay time relay KT1 time delay normally opened contact are connected between live wire L3 and zero line N;
Peripheral hardware and auxiliary reclay KA1 normally opened contact KA1-3 are connected between live wire L3 and zero line N; After power cut off delay time relay KT2 time delay normally closed contact KT2-1 and auxiliary reclay KA2 normally opened contact KA2-3 series connection, be connected in parallel on the two ends of auxiliary reclay KA1 normally opened contact KA1-3.
Advantage of the present utility model: main frame described in the utility model and peripheral hardware switching sequence control device are simple in structure, while easily realizing start, establishes over first, after drive main frame; During shutdown, first close main frame, the order of rear pass peripheral hardware, the effectively safety of 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 and peripheral hardware switching sequence control device described in present embodiment, it comprises start gauge tap, shutdown gauge tap, auxiliary reclay KA1, auxiliary reclay KA2, on-delay time relay KT1 and power cut off delay time relay KT2;
Start gauge tap consists of start button SB1 and stop button SB3, start button SB1 and stop button SB3 synchronization action;
Shutdown gauge tap consists of start button SB4 and stop button SB2, start button SB4 and stop button SB2 synchronization action;
Start button SB1, stop button SB2, auxiliary reclay KA2 normally closed contact KA2-1, auxiliary reclay KA1 coil, on-delay time relay KT1 coil are connected between live wire L1 and zero line N; Auxiliary reclay KA1 normally opened contact KA1-2 is connected in parallel on the two ends of start button SB1;
Stop button SB3, start button SB4, auxiliary reclay KA1 normally closed contact KA1-1, auxiliary reclay KA2 coil and power cut off delay time relay KT2 coil are connected between live wire L2 and zero line N; Auxiliary reclay KA2 normally opened contact KA2-2 is connected in parallel on the two ends of start button SB4;
Main frame and on-delay time relay KT1 time delay normally opened contact are connected between live wire L3 and zero line N;
Peripheral hardware and auxiliary reclay KA1 normally opened contact KA1-3 are connected between live wire L3 and zero line N; After power cut off delay time relay KT2 time delay normally closed contact KT2-1 and auxiliary reclay KA2 normally opened contact KA2-3 series connection, be connected in parallel on the two ends of auxiliary reclay KA1 normally opened contact KA1-3.
Principle of work:
The principle of work of the on-delay time relay: the on-delay time relay has time delay normally opened contact and time delay normally closed contact; Coil obtains electric, its time delay normally opened contact time closing, and its time delay normally closed contact time delay disconnects; During coil losing electricity, its time delay normally opened contact instantaneous recovery off-state, its time delay normally closed contact instantaneous recovery normally off.
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, the instantaneous closure of its time delay normally opened contact, 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.
During start, press start gauge tap, SB1 is closed, and SB3 disconnects, and then the two all resets; KA1 and KT1 obtain electric, and normally closed contact KA1-2 is closed, makes KA1 self-locking, guarantee on SB1 reset Hou Gai road in logical state; KA1-1 disconnects, and interlocks with KA2; Normally closed contact KA1-3 is closed, and peripheral hardware obtains electric; On-delay time relay KT1 obtains electric, its time delay normally opened contact time closing; Realize main frame and must establish machine by cable after peripheral hardware, establish over first, after drive main frame.
During shutdown, press shutdown gauge tap, SB4 is closed, and SB2 disconnects, and then the two all resets; KA1 and KT1 dead electricity, KA1 normally opened contact KA1-1 and KA1-3 recover off-state, and KA2 and KT2 obtain electric, and normally opened contact KA2-2 is closed, makes KA2 self-locking, guarantees on SB4 reset Hou Gai road in logical state; KA2-1 disconnects, and interlocks with KA1; KT1 dead electricity, its time delay normally opened contact instantaneous recovery off-state, main frame dead electricity, shutdown; The closure of KA1-3 does not make peripheral hardware momentary power failure, now, KA2 obtains electric, and its normally opened contact KA2-3 is closed, and KT2 obtains electric, but its time delay normally closed contact KT2-1 is instantaneous or closure state, peripheral hardware or path, time delay normally closed contact KT2-1 disconnects through time delay after a period of time, and peripheral hardware is dead electricity, realized and first closed main frame, then closed the sequential control of peripheral hardware.
Embodiment two: present embodiment is described further embodiment one, arranges low-voltage circuit breaker QS on the three-phase AC line of live wire L1, L2 and L3.In order to start or stop three-phase alternating-current supply.
Claims (2)
1. main frame and peripheral hardware switching sequence control device, is characterized in that, it comprises start gauge tap, shutdown gauge tap, auxiliary reclay KA1, auxiliary reclay KA2, on-delay time relay KT1 and power cut off delay time relay KT2;
Start gauge tap consists of start button SB1 and stop button SB3, start button SB1 and stop button SB3 synchronization action;
Shutdown gauge tap consists of start button SB4 and stop button SB2, start button SB4 and stop button SB2 synchronization action;
Start button SB1, stop button SB2, auxiliary reclay KA2 normally closed contact KA2-1, auxiliary reclay KA1 coil, on-delay time relay KT1 coil are connected between live wire L1 and zero line N; Auxiliary reclay KA1 normally opened contact KA1-2 is connected in parallel on the two ends of start button SB1;
Stop button SB3, start button SB4, auxiliary reclay KA1 normally closed contact KA1-1, auxiliary reclay KA2 coil and power cut off delay time relay KT2 coil are connected between live wire L2 and zero line N; Auxiliary reclay KA2 normally opened contact KA2-2 is connected in parallel on the two ends of start button SB4;
Main frame and on-delay time relay KT1 time delay normally opened contact are connected between live wire L3 and zero line N;
Peripheral hardware and auxiliary reclay KA1 normally opened contact KA1-3 are connected between live wire L3 and zero line N; After power cut off delay time relay KT2 time delay normally closed contact KT2-1 and auxiliary reclay KA2 normally opened contact KA2-3 series connection, be connected in parallel on the two ends of auxiliary reclay KA1 normally opened contact KA1-3.
2. main frame and peripheral hardware switching sequence control device according to claim 1, is characterized in that, low-voltage circuit breaker QS is set on the three-phase AC line of live wire L1, L2 and L3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197484.9U CN203786736U (en) | 2014-04-22 | 2014-04-22 | Computer host and peripheral startup and shutdown sequence control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197484.9U CN203786736U (en) | 2014-04-22 | 2014-04-22 | Computer host and peripheral startup and shutdown sequence control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786736U true CN203786736U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420197484.9U Expired - Fee Related CN203786736U (en) | 2014-04-22 | 2014-04-22 | Computer host and peripheral startup and shutdown sequence control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203786736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360716A (en) * | 2014-12-02 | 2015-02-18 | 周子玥 | Computer host and external device switching sequence control device |
-
2014
- 2014-04-22 CN CN201420197484.9U patent/CN203786736U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360716A (en) * | 2014-12-02 | 2015-02-18 | 周子玥 | Computer host and external device switching sequence control device |
| CN104360716B (en) * | 2014-12-02 | 2017-06-30 | 周子玥 | Main frame and peripheral hardware switching sequence control device |
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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: 20140820 Termination date: 20180422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |