CN203786623U - Switching sequence control device for computer mainframe and peripheral equipment - Google Patents
Switching sequence control device for computer mainframe and peripheral equipment Download PDFInfo
- Publication number
- CN203786623U CN203786623U CN201420224100.8U CN201420224100U CN203786623U CN 203786623 U CN203786623 U CN 203786623U CN 201420224100 U CN201420224100 U CN 201420224100U CN 203786623 U CN203786623 U CN 203786623U
- Authority
- CN
- China
- Prior art keywords
- connects
- auxiliary reclay
- coil
- contact
- delay relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Relay Circuits (AREA)
Abstract
The utility model relates to a switching sequence control device for a computer mainframe and peripheral equipment, belongs to the field of computers, and solves the problems that the switching sequence of the computer mainframe and the peripheral equipment is manually controlled and is not reliable and the computer is damaged. The switching sequence control device comprises a starting button SB1, a stopping button SB2, a stopping button SB2 linkage normally open auxiliary contact, a middle relay KA1, a middle relay KA2, an electrifying delaying delay KT1 and an electrifying delaying delay KT2, wherein the SB1 and a KA1 coil are connected into a 220-V alternating-current circuit in series to be self-locked; the stopping button SB2 linkage normally open auxiliary contact is connected with a KA2 coil and a KT2 coil in series; the SB2 is connected with a normally closed contact KA2-1 and a KT1 coil in series; two branches are connected between the output end of the SB1 and a null line in parallel; the peripheral equipment, a KT2 delaying normally closed contact and a normally open contact KA1-2 are connected into the 220-V alternating-current circuit in series; the mainframe, a KT1 delaying normally open contact and a normally closed contact KA2-2 are connected into the 220-V alternating-current circuit in series.
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 has strict demand, in the time of start, establish over first, after drive main frame; In the time of 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 when 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 button SB1, stop button SB2, auxiliary reclay KA1, auxiliary reclay KA2, energization delay relay KT1 and energization delay relay KT2;
Live wire L2 connects one end of start button SB1, and the other end of start button SB1 connects stop button SB2 link one end, one end of stop button SB2 and the one end of auxiliary reclay KA1 coil of often driving auxiliary contact simultaneously; The other end of auxiliary reclay KA1 coil connects zero line N;
Auxiliary reclay KA1 normally opened contact KA1-1 is connected in parallel on the two ends of start button SB1;
One end of the other end connection auxiliary reclay KA2 coil of auxiliary contact is often opened in stop button SB2 interlock, the other end of auxiliary reclay KA2 coil connects one end of energization delay relay KT2 coil, and the other end of energization delay relay KT2 coil connects zero line N;
The other end of stop button SB2 connects one end of auxiliary reclay KA2 normally closed contact KA2-1, the other end of auxiliary reclay KA2 normally closed contact KA2-1 connects one end of energization delay relay KT1 coil, and the other end of energization delay relay KT1 coil connects zero line N;
Auxiliary reclay KA2 normally opened contact KA2-3 is connected in parallel on the stop button SB2 two ends of often driving auxiliary contact of linking;
Live wire L3 connects power supply terminal of peripheral hardware and a power supply terminal of main frame simultaneously; Another power supply terminal of peripheral hardware connects one end of energization delay relay KT2 time delay normally closed contact, the other end of energization delay relay KT2 time delay normally closed contact connects one end of auxiliary reclay KA1 normally opened contact KA1-2, and the other end of auxiliary reclay KA1 normally opened contact KA1-2 connects zero line N;
Another power supply terminal of main frame connects one end of energization delay relay KT1 time delay normally opened contact, the other end of energization delay relay KT1 time delay normally opened contact connects one end of auxiliary reclay KA2 normally closed contact KA2-2, and the other end of auxiliary reclay KA2 normally closed contact KA2-2 connects zero line N.
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; When shutdown, first close main frame, the order of rear pass peripheral hardware, the effectively safety of protected host.
Brief description of the drawings
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 button SB1, stop button SB2, auxiliary reclay KA1, auxiliary reclay KA2, energization delay relay KT1 and energization delay relay KT2;
Live wire L2 connects one end of start button SB1, and the other end of start button SB1 connects stop button SB2 link one end, one end of stop button SB2 and the one end of auxiliary reclay KA1 coil of often driving auxiliary contact simultaneously; The other end of auxiliary reclay KA1 coil connects zero line N;
Auxiliary reclay KA1 normally opened contact KA1-1 is connected in parallel on the two ends of start button SB1;
One end of the other end connection auxiliary reclay KA2 coil of auxiliary contact is often opened in stop button SB2 interlock, the other end of auxiliary reclay KA2 coil connects one end of energization delay relay KT2 coil, and the other end of energization delay relay KT2 coil connects zero line N;
The other end of stop button SB2 connects one end of auxiliary reclay KA2 normally closed contact KA2-1, the other end of auxiliary reclay KA2 normally closed contact KA2-1 connects one end of energization delay relay KT1 coil, and the other end of energization delay relay KT1 coil connects zero line N;
Auxiliary reclay KA2 normally opened contact KA2-3 is connected in parallel on the stop button SB2 two ends of often driving auxiliary contact of linking;
Live wire L3 connects power supply terminal of peripheral hardware and a power supply terminal of main frame simultaneously; Another power supply terminal of peripheral hardware connects one end of energization delay relay KT2 time delay normally closed contact, the other end of energization delay relay KT2 time delay normally closed contact connects one end of auxiliary reclay KA1 normally opened contact KA1-2, and the other end of auxiliary reclay KA1 normally opened contact KA1-2 connects zero line N;
Another power supply terminal of main frame connects one end of energization delay relay KT1 time delay normally opened contact, the other end of energization delay relay KT1 time delay normally opened contact connects one end of auxiliary reclay KA2 normally closed contact KA2-2, and the other end of auxiliary reclay KA2 normally closed contact KA2-2 connects zero line N.
Principle of work:
KT1 and KT2 are all energization delay relays, the principle of work of the on-delay time relay: the on-delay time relay has time delay normally opened contact, 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; When coil losing electricity, its time delay normally opened contact instantaneous recovery off-state, its time delay normally closed contact instantaneous recovery normally off.
When start, press SB1 closure, KA1 coil obtains electric, its normally opened contact KA1-1 closure, and self-locking, after SB1 resets, ensures this road conducting; Its normally opened contact KA1-2 closure simultaneously, peripheral hardware obtains electric first startup; SB1 closure, KT1 coil also electric, its time delay normally opened contact time closing, after main frame electric, complete when start, establish over first, after open the order of main frame.
When shutdown, press SB2, auxiliary contact closure is often opened in its interlock, and KA2 coil obtains electric, its normally opened contact KA2-3 closure, SB2 resets, and its linked switch disconnects, because of normally opened contact KA2-3 closure, ensure this road or conducting, can often not drive auxiliary contact because of stop button SB2 interlock and reset and disconnect; KA2 coil obtains electric, and its normally closed contact KA2-1 disconnects, and causes KT1 dead electricity, and its time delay normally opened contact is off-state by closure state instantaneous recovery, the also instantaneous disconnection of normally closed contact KA2-2 of KA2 simultaneously, main frame dead electricity; Now, peripheral hardware still has electricity condition, due to K closure, make KT2 coil also electric, therefore, the time delay of KT2 time delay normally closed contact disconnect, power-off after peripheral hardware, completes shutdown, first closes main frame, the order of rear pass 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 button SB1, stop button SB2, auxiliary reclay KA1, auxiliary reclay KA2, energization delay relay KT1 and energization delay relay KT2;
Live wire L2 connects one end of start button SB1, and the other end of start button SB1 connects stop button SB2 link one end, one end of stop button SB2 and the one end of auxiliary reclay KA1 coil of often driving auxiliary contact simultaneously; The other end of auxiliary reclay KA1 coil connects zero line N;
Auxiliary reclay KA1 normally opened contact KA1-1 is connected in parallel on the two ends of start button SB1;
One end of the other end connection auxiliary reclay KA2 coil of auxiliary contact is often opened in stop button SB2 interlock, the other end of auxiliary reclay KA2 coil connects one end of energization delay relay KT2 coil, and the other end of energization delay relay KT2 coil connects zero line N;
The other end of stop button SB2 connects one end of auxiliary reclay KA2 normally closed contact KA2-1, the other end of auxiliary reclay KA2 normally closed contact KA2-1 connects one end of energization delay relay KT1 coil, and the other end of energization delay relay KT1 coil connects zero line N;
Auxiliary reclay KA2 normally opened contact KA2-3 is connected in parallel on the stop button SB2 two ends of often driving auxiliary contact of linking;
Live wire L3 connects power supply terminal of peripheral hardware and a power supply terminal of main frame simultaneously; Another power supply terminal of peripheral hardware connects one end of energization delay relay KT2 time delay normally closed contact, the other end of energization delay relay KT2 time delay normally closed contact connects one end of auxiliary reclay KA1 normally opened contact KA1-2, and the other end of auxiliary reclay KA1 normally opened contact KA1-2 connects zero line N;
Another power supply terminal of main frame connects one end of energization delay relay KT1 time delay normally opened contact, the other end of energization delay relay KT1 time delay normally opened contact connects one end of auxiliary reclay KA2 normally closed contact KA2-2, and the other end of auxiliary reclay KA2 normally closed contact KA2-2 connects zero line N.
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 |
|---|---|---|---|
| CN201420224100.8U CN203786623U (en) | 2014-04-30 | 2014-04-30 | Switching sequence control device for computer mainframe and peripheral equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224100.8U CN203786623U (en) | 2014-04-30 | 2014-04-30 | Switching sequence control device for computer mainframe and peripheral equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786623U true CN203786623U (en) | 2014-08-20 |
Family
ID=51322787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420224100.8U Expired - Fee Related CN203786623U (en) | 2014-04-30 | 2014-04-30 | Switching sequence control device for computer mainframe and peripheral equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203786623U (en) |
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 |
| CN106301021A (en) * | 2016-08-17 | 2017-01-04 | 杨洋 | Medical electric power electronic machine DC source |
-
2014
- 2014-04-30 CN CN201420224100.8U patent/CN203786623U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN106301021A (en) * | 2016-08-17 | 2017-01-04 | 杨洋 | Medical electric power electronic machine DC source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203786623U (en) | Switching sequence control device for computer mainframe and peripheral equipment | |
| CN104062580B (en) | A kind of portable beaker three-phase non-three phase tester movement time | |
| CN103515150A (en) | Hybrid relay | |
| CN104917423B (en) | A kind of reduced-voltage starting control system | |
| CN203786736U (en) | Computer host and peripheral startup and shutdown sequence control device | |
| CN104360716B (en) | Main frame and peripheral hardware switching sequence control device | |
| CN201898321U (en) | Cooling control circuit of variable frequency motor | |
| CN104079060B (en) | Three-way power source switchover circuit and method | |
| CN204009723U (en) | Main frame and peripheral hardware switching sequence control device | |
| CN204733099U (en) | A kind of reduced-voltage starting control system | |
| CN204347491U (en) | Main frame and peripheral hardware switching sequence control device | |
| CN203352139U (en) | Automatic phase change device of motor | |
| CN203632347U (en) | Double-bus voltage parallel switching device based on uninterrupted power supply | |
| CN207573074U (en) | A kind of combined type reactance voltage fluctuates power supply circuit | |
| CN203434595U (en) | Dual power supply manual switch protection circuit | |
| CN203849737U (en) | Computer mainframe and peripheral switching sequence control device | |
| CN202872335U (en) | Circuit protection device for self-coupling voltage reduction starting box | |
| CN203773435U (en) | Startup and shutdown sequence control device for computer host and periphery | |
| CN201797299U (en) | Reverse-power relay | |
| CN203747412U (en) | Electricity breaker with charges prevention apparatus when double bus bar changes its operation state | |
| CN206907721U (en) | A kind of breaker electric spring operating mechanism separating brake control loop | |
| CN202711902U (en) | Pre-magnetizing device for power supply main transformer of power line | |
| CN204203860U (en) | Main frame and peripheral hardware switching sequence control device | |
| CN203838634U (en) | On/off sequence control device of computer mainframe and peripherals | |
| CN203166509U (en) | Contactor capable of avoiding open-phase operation of power system for transformer station |
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: 20150430 |
|
| EXPY | Termination of patent right or utility model |