CN2605601Y

CN2605601Y - Computer direct-current power source utilization apparatus

Info

Publication number: CN2605601Y
Application number: CN 02251469
Authority: CN
Inventors: 张政
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-09
Filing date: 2002-12-09
Publication date: 2004-03-03
Anticipated expiration: 2012-12-09

Abstract

Disclosed is a computer direct current (DC) power supply device which is characterized in that the utility model consists of an internal detection control device and an external adapted plug (socket); wherein the detection control device is composed of a singlechip, a switch device and a socket (plug); every output voltage of the computer power supply is separately connected with one end of the switch device; an input pin and an output pin of the singlechip are connected with the control end of the switch device to control on and off of the switch; the socket (plug) is arranged on the case of the computer; the input pin and the output pin of the singlechip for connection with the contacts of the socket (plug) are taken as the detection pins of the external adapted plug (socket) for read-in detection to a data storage device which is inserted into the external adapted plug (socket); the singlechip controls the switch to be on for outside power supplying after successful read-in or to be off for outside power supply stopping if the read-in data is invalid.

Description

A kind of computing machine direct supply taking device

Affiliated technical field

The utility model relates to the computing machine direct supply, is computing machine direct supply taking device specifically.

Background technology

At present, known main frame is made up of the standard interface plug that is contained in computer power supply, computer motherboard, floppy drive, hard disk, the CD-ROM drive in the cabinet and be connected on the cabinet, does not have direct direct supply output; Computing machine be connected on standard interface plug on the cabinet, can connect peripherals, but do not provide special-purpose assorted power supply in the contact of standard interface plug that wherein has such as parallel port, its plug of serial port, though what have provides power supply, but just for special purpose, provide single power supply with small capacity, this situation is utilized computing machine as platform, development research study or develop above-mentioned interface when making new purposes is made troubles.Owing to can not find suitable power supply easily, at present, have to adopt external power supply or steal power technology from signal wire and obtain power supply, give utilize computing machine carry out peripheral hardware exploitation, use and make troubles, particularly give and utilize computing machine to carry out the sparetime developer that learns by experimentation to make troubles.Thereby caused computer-internal direct supply commonly used that though very big surplus is arranged, owing to general power supply output plug is not installed on the casing, the power resources of computing machine is not fully utilized.

Summary of the invention

In order to make full use of the power resources of computing machine, the utility model provides a kind of computer power supply taking device, the edge connector of this device is contained on the cabinet, contact on this edge connector only detect that the user inserts be adaptive plug the time, direct electrical connection is just externally arranged, externally power supply makes the user can computed easily direct supply resource, can prevent illegal use again.Do not insert plug the user, or insert be non-Adapter Cable the time, externally all not directly electrical connections are not powered.The utility model also provides a kind of computer standard interface plug electric supply installation, the user is some pins extraction computer power supplies in the computing machine plug of standard as required, have only when the user inserts adaptive plug, this device is just from some pin power supplies, when not inserting plug or non-adaptive plug, externally do not have direct power supply to connect, the computer standard interface plug keeps original standard signal annexation.

The technical solution adopted in the present invention is: a kind of computer power supply taking device, form by detection control apparatus in the machine and the outer adaptive plug of machine, detection control apparatus is by single-chip microcomputer in the machine, switchgear and the socket (head) that is installed on the cabinet are formed, each output voltage of computing machine direct supply is connected respectively to switchgear one end, single-chip microcomputer input and output pin links to each other with the switchgear control end, gauge tap is connected externally power supply or disconnection is not externally powered, socket (head) is contained on the computer cabinet, the input and output pin that single-chip microcomputer links to each other with the contact of edge connector detects pin as adaptive plug, data to the outer adaptive plug that inserts of machine detect, the outer adaptive plug of machine has the data-storing device, the read-write end of data-storing device links to each other with the contact of the outer adaptive plug of machine, in adaptive plug outside the machine and machine, detect the socket (head) of observing and controlling system device when linking to each other, the data input and output pin of single-chip microcomputer links to each other with (writing) pin of reading of data-storing device, the data storing apparatus is read (writing), after the data storing apparatus being read in the data success, the Single-chip Controlling switch connection is externally powered, as what read in is invalid data, then the gauge tap device disconnects, and does not externally power.

A kind of computer standard interface plug electric supply installation, comprise detection control apparatus and the outer adaptive plug of machine in the machine, detection control apparatus is by single-chip microcomputer in the machine, first converting switch device, second converting switch device and standard plug are formed, the normal opened contact of first converting switch device links to each other with the direct supply of computer-internal, common port and standard interface plug a certain pin to be powered links to each other, the standard signal line that normally closed contact is corresponding with this pin links to each other, the normally closed contact of second converting switch device links to each other with the input and output pin of single-chip microcomputer as adaptive plug detection line, common port links to each other with a certain pin of standard interface plug, normal opened contact links to each other with the former computer standard signal wire of this pin, by Single-chip Controlling first, second converting switch device switches, thereby coupled external plug respective foot can be switched between the output of internal power supply and primary standard signal, between adaptive plug detection signal of single-chip microcomputer and standard signal, switch, the outer adaptive plug of machine has the data-storing device, the read-write end of data-storing device links to each other with the contact of the outer adaptive plug of machine, when adaptive plug links to each other with standard plug outside the machine, single-chip microcomputer at first makes and detects the read-write pin connection of pin by switchgear and data-storing device, the data storing apparatus is read and write, after reading and writing successfully to the data storing apparatus, the Single-chip Controlling switchgear switches power supply, when what read in is invalid data, and then change-over switch makes each contact of plug to the standard plug signal wire.

Good effect of the present invention is: by on computer cabinet, increase the power supply taking device, the taking of direct supply that has made things convenient for the user to develop external unit can prevent user's wrong plug plug powerup issue that makes a mistake again.Computer standard interface plug electric supply installation is set, make the user when standard interface equipment is used in exploitation, as long as set adaptive plug, can in the standard interface socket, take the computing machine direct supply easily, and don't influence the use of the external unit of the standard plug that uses a computer.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is the overall block diagram of the utility model computing machine direct supply taking device

Fig. 2 is the utility model computing machine direct supply taking device embodiment 1 schematic diagram

Fig. 3 is the utility model computing machine direct supply taking device embodiment 2 electrical schematic diagrams

Fig. 4 is the utility model computer standard interface plug electric supply installation schematic block diagram

Fig. 5 is the utility model computer standard interface plug electric supply installation embodiment 1 electrical schematic diagram

Fig. 6 is the utility model computer standard interface plug electric supply installation embodiment 2 electrical schematic diagrams

Fig. 7 is the utility model computer standard interface plug electric supply installation embodiment 3 electrical schematic diagrams

Embodiment

As shown in Figure 1, computing machine direct supply taking device is made up of detection control apparatus in the machine and the outer adaptive plug (seat) of machine, detection control apparatus is by single-chip microcomputer, switchgear and socket (head) are formed, each output voltage of computer power supply is connected respectively to switchgear one end, single-chip microcomputer input and output pin links to each other with switchgear, the connecting and disconnecting of gauge tap, socket (head) is contained on the computer cabinet, the input and output pin that single-chip microcomputer links to each other with the contact of socket (head) is as the detection pin of the outer adaptive plug (seat) of machine, data to adaptive plug (seat) outside the machine that inserts detect, the outer adaptive plug (seat) of machine has the data-storing device, the read-write end of data-storing device links to each other with the contact of the outer adaptive plug (seat) of machine, the socket (head) of detection control apparatus is when linking to each other in adaptive plug (seat) outside the machine and machine, (writing) pin of reading of the data input and output pin of single-chip microcomputer and data-storing device is connected, the data storing apparatus is read (writing), after data-storing device data are read in successfully, the Single-chip Controlling switch connection is externally powered, as what read in is invalid data, then the gauge tap device disconnects, and does not externally power

As shown in Figure 2, computing machine direct supply taking device embodiment 1 schematic diagram, U1 is a single-chip microcomputer among the figure, relay R ELAY1 and triode A1, relay R ELAY2 and triode A2 are as switchgear, the control computer power supply externally connects and disconnects, the power supply base (head) that U2 externally connects as computing machine, here use DB9 core plug commonly used to describe, U3, U4 is the outer adaptive plug (seat) of machine, U3 is plug (seat), U4 is a data memory, V+12V, V-12V is connected with the contact of relay R ELAY1 respectively, 1 pin of U2 and 2 pin are connected with another contact of RELAY1 respectively, when relay gets electric adhesive, 1 pin of U2 and 2 pin obtain positive and negative 12V voltage respectively, VCC+5V (can connect+the 5VSB power end if any+5VSB voltage) V-5V is connected with the contact of relay R ELAY2 respectively, 3 pin of U2 and 4 pin are connected with another contact of RELAY2 respectively, when relay gets electric adhesive, 3 pin of U2 and 4 pin obtain positive and negative 5V voltage respectively, U4 data-storing unit selects for use the DS2401 of DALLAS company as the data-storing chip, DS2401 is the ROM silicon chip that meets monobus lin protocol, contain fixing unique 64 identification codes (8 works codes, 48 bit sequence number, and 8 bit check sign indicating numbers).

Behind the single-chip microcomputer electrification reset, P12 is set, the P13 pin is a high level, pilot relay is disconnected, 1,2,3,4 pin on the U2 plug are all unsettled, externally do not power, bidirectional interface P15, the P16 of single-chip microcomputer carry out data read by the DS2401 sequential, as read its 64 identification code failures, then each relay of Single-chip Controlling is disconnected, as read the identification code success, then single-chip microcomputer detects the P37 pin, as earth-free, then externally power supply is promptly successfully read the adaptive plug (seat) that contains arbitrary silicon serial number and is promptly powered; As ground connection, then relatively whether the machine-readable sequence number of going into of monolithic is consistent with built-in sequence number, power as consistent, inconsistently do not power, and promptly only assurance is powered to the adaptive plug that contains appointment silicon serial number.Use said apparatus not inserting plug, or external contact is the bidirectional interface of single-chip microcomputer and the power supply of receiving by pull-up resistor when inserting the adaptive plug of non-appointment, the span of pull-up resistor is 1.5K to 5K ohm, has effectively guaranteed to take the safety of computing machine D.C. regulated power supply.Certainly, add current foldback circuit for the safety that further guarantees out-put supply can be each output DC source, road, current foldback circuit belongs to custom circuit, and non-content of the present invention no longer describes in detail.

As shown in Figure 2, this power taking plug can connect the data-signal of computing machine serial or parallel on its sky pin, further expand its purposes.

As shown in Figure 3, computing machine direct supply taking device embodiment 2 electrical schematic diagrams, machine male connector data storage device is selected serial electrically-erasable memory commonly used for use, as 24LC01, other is similar to embodiment 1, and single-chip microcomputer passes through P17, the P16 mouth is read and write the content of data storer, as read given content, then externally power supply, otherwise do not power.

As shown in Figure 4, be computer standard interface socket (head) electric supply installation block scheme, computer standard interface socket (head) electric supply installation comprises detection control apparatus and the outer adaptive plug (seat) of machine in the machine, detection control apparatus is by single-chip microcomputer, first converting switch device, second converting switch device and standard interface socket (head) are formed, the normal opened contact of first converting switch device links to each other with the direct supply of computer-internal, common port and standard interface socket (head) a certain pin to be powered links to each other, the standard signal line that normally closed contact is corresponding with this pin links to each other, the normally closed contact of second converting switch device links to each other as the input and output pin that adaptive plug detects pin with single-chip microcomputer, common port links to each other with a certain pin of standard interface socket (head), normal opened contact links to each other with the standard signal line of answering with this pin, by Single-chip Controlling first, second converting switch device switches, thereby make the coupled external plug respective foot can be in the switching of asking of the output of internal power supply and primary standard signal, and between single-chip microcomputer detection signal and standard signal, switch, the outer adaptive plug of machine has the data-storing device, the read-write end of data-storing device links to each other with the contact of the outer adaptive plug of machine, when adaptive plug outside the machine links to each other with the standard interface edge connector, single-chip microcomputer at first makes and detects the read-write pin connection of pin by switchgear and data-storing device, the data storing apparatus is read and write, after reading and writing successfully to the data storing apparatus, the Single-chip Controlling switchgear switches power supply, when what read in is invalid data, and then change-over switch makes each contact of plug to the standard plug signal wire.

As shown in Figure 5, be computer standard interface socket (head) electric supply installation embodiment 1, U1 is a single-chip microcomputer among the figure, U2 is the second switch device, serve as by the MAX319 electronic analog swtich, relay R ELAY1 and triode A are that first switchgear control power supply and standard signal switch access, U3 is the standard plug that computing machine externally connects, here for sake of convenience, parallel port with 25 cores is that example describes, 1 pin of U2 is that public pin links to each other with 15 pin of U3,2 pin of U2 are the input and output pin P16 of NO pin and single-chip microcomputer, P17 links to each other, 8 pin are that the NC pin links to each other with the signal nAutoL that former parallel port 15 foot control system printers enter a new line after carriage return, single-chip microcomputer P13 pin is received the selection pin 6 of U2,1 pin and 2 pin of control U2 switch, one of 8 pin are connected, the normally closed contact of relay R ELAY1 links to each other with former parallel port 16 pin signal nInit pin, normally opened contact links to each other with treating the out-put supply end, single-chip microcomputer P17 pin is by the break-make of triode pilot relay, when P17 output high level, triode ends, the relay normally closed contact is connected, the contact U4-16 of socket respective pins and primary standard signal are connected, when the P17 output low level, the triode conducting, the normal opened contact of pilot relay connects, the contact U4-16 pin of socket respective pins and the power connection that needs output.Electronic analog swtich U2 is when its selecting side 6 pin are that NC and common port are connected when hanging down high level, NO and common port disconnect, and select the primary standard signal to connect, when selecting side 6 pin are high level, NC and common port disconnect, and NO and common port are connected, and U2 selects detection signal and pin to connect.U4 is outside adaptive plug, U5 is the data-storing chip, for the purpose of simplified illustration, here the DS2430A that selects DALLAS company is as the data-storing chip, DS2430A is 256 unibus electrically-erasable EEPROM, comprise that (8 works codes, 48 bit sequence number, and 8 bit check sign indicating numbers) its read-write of 256 electrically-erasable bank bits and 64 identification codes and power end only need use a line.

After single-chip microcomputer powers on, it is high level that the P17 pin is set, pilot relay must not, its normally closed contact is connected, it is the initialization bit end that 16 pin of its U3 plug are received its standard signal nInit, P13 pin output high level uses the P15 of single-chip microcomputer, 15 pin of P16 pin and plug are temporarily connected, single-chip microcomputer passes through P15, P16 carries out data read by the DS2430A sequential, as read its 64 identification codes and fail, then each switch of Single-chip Controlling is transferred on the contact of each standard signal, as read discern successfully after, can continue to read specific the data among the EEROM of being stored in for plug configuration, data among the EEROM may be defined as adaptive plug condition code and each joint configuration data of plug, single-chip microcomputer reads in characteristic, with its storage inside data compare, as inconsistent, then each contact of changeover plug connects to standard signal, as unanimity, each pin signal of its plug can carry out pin arrangement by the configuration data that reads in, the configuration data method to set up is that to a certain pin, it sockets and connects standard signal as need, if its value is 0, as connecing power supply, to establish its value be 1.And if then the condition code position is the pin arrangement data, from low to high, as the 1st be 0, represent that then corresponding plug 1 pin is configured to link to each other with standard pin signal, as first be 1, then this pin switches to user-defined power supply and connects, other position by that analogy.

As shown in Figure 6, be computer standard interface socket (head) electric supply installation embodiment 2, serial port with 9 cores is that example describes, first switchgear, realize by relay R ELAY1 and triode A1, the second switch device, realize by relay R ELAY21 and triode A2, be implemented in 4 pin of standard plug, be that former DTR pin is externally powered, the relay R ELAY1 normally closed contact of first switchgear meets DTR, normal opened contact reception power supply source, detect the 7th pin that contact is located at standard plug, the relay normally closed contact of second switch device connects single-chip microcomputer and externally detects pin TEST, normal opened contact connects former 7 pin signal RTS pin, when powering on, single-chip microcomputer P17 pin is put high level, relay R ELAY1 must not be electric, and normally closed contact is connected, and standard plug 4 pin are RTS to external signal, single-chip microcomputer P13 pin is put high level, relay R ELAY2 must not be electric, and normally closed contact is connected, and single-chip microcomputer externally detects the data of adaptive plug, as detect adaptive plug, it is low that P1.7 then is set, and pilot relay gets electric, and normal opened contact is connected, promptly controlling first switchgear is transferred on the power supply, make standard plug 4 pin receive externally power supply on the computer power supply,, then export the P17 pin for high if do not detect effective adaptive plug data, make the relay R ELAY1 must not, making the external contact of 4 pin of standard plug is standard signal DTR, and output P13 pin is low, makes the relay R ELAY2 must not, making the external contact of 7 pin of standard plug is standard signal RTS, externally connects unaffected.

As shown in Figure 7, be computer standard interface socket (head) electric supply installation embodiment 3, with standard DB25 pin parallel port is the example explanation, except that second converting switch device is served as by single-chip microcomputer, other is similar to computer standard interface socket (head) electric supply installation embodiment 1, single-chip microcomputer detects the input and output pin P15 of pin as adaptive plug, the P16 pin links to each other with 15 pin of standard interface socket (head) U2, simultaneously, single-chip microcomputer P13 pin meets this socket 15 footnote calibration signal nAutoLF, when powering on, single-chip microcomputer P15, P16 externally carries out adaptive plug and detects, when detecting outside adaptive plug, pilot relay RELAY1 switches, and 16 pin of the logical D2 of computer power supply termination is externally powered, when not detecting adaptive plug, pilot relay RELAY1 switches 16 pin of the primary standard signal nInit connection D2 of this socket, single-chip microcomputer detects the nAutoLF signal of P13 pin simultaneously, controls its P15, the P16 heel changes with its high-low level, transmits the standard signal that computing machine sends.Make the standard signal relation of external connection constant, it is unaffected to insert standard plug.

Switchgear comes example to describe with relay or analog switch in the utility model, as replacing just conventional the replacement with crystal, controllable silicon etc. as switch, does not influence use of the present utility model.

Claims

1. computing machine direct supply taking device, it is characterized in that: form by detection control apparatus in the machine and the outer adaptive plug (seat) of machine, detection control apparatus is by single-chip microcomputer, switchgear and socket (head) are formed, each output voltage terminal of computer power supply links to each other with switchgear one end respectively, single-chip microcomputer input and output pin links to each other with the switchgear control end, the connecting and disconnecting of gauge tap, socket (head) is contained on the computer cabinet, the input and output pin that single-chip microcomputer links to each other with the contact of socket (head) is as the detection pin of the outer adaptive plug (seat) of machine, data to adaptive plug (seat) outside the machine that inserts detect, the outer adaptive plug of machine has the data-storing device, the read-write end of data-storing device links to each other with the contact of the outer adaptive plug (seat) of machine, the socket (head) of detection control apparatus is when linking to each other in adaptive plug (seat) outside the machine and machine, (writing) pin of reading of the data input and output pin of single-chip microcomputer and data-storing device is connected, the data storing apparatus is read (writing), after data-storing device data are read in successfully, the Single-chip Controlling switch connection is externally powered, as what read in is invalid data, then the gauge tap device disconnects, and does not externally power.

2. a kind of computing machine direct supply taking device according to claim 1 is characterized in that: described data storage device is a unibus silicon serial chip, and its chip power supply is from the read-only end power supply of data.

3. a kind of computing machine direct supply taking device according to claim 1, it is characterized in that: described data storage device can also be the unibus data-carrier store, its chip power supply is powered from the reading and writing data end.

4. a kind of computing machine direct supply taking device according to claim 1, it is characterized in that: described data storage device can also be a serial electrically-erasable storer, its pin-saving chip power supply is connected to a pin of edge connector by current-limiting resistance by 5V power supply in the computing machine, when Adapter Cable outside the machine inserted, the supply pin of this pin and chip was connected to chip power supply.

5. a computer standard interface socket (head) electric supply installation, it is characterized in that: comprise detection control apparatus and the outer adaptive plug (seat) of machine in the machine, detection control apparatus is by single-chip microcomputer in the machine, first converting switch device, second converting switch device and standard interface socket (head) are formed, the normal opened contact of first converting switch device links to each other with the direct supply of computer-internal, a certain pin to be powered on common port and the standard interface socket (head) links to each other, the standard signal line that normally closed contact is corresponding with this pin links to each other, the normally closed contact of second converting switch device links to each other as the input and output pin that adaptive plug detects pin with single-chip microcomputer, common port is made as a pin that detects pin with standard interface socket (head) and links to each other, normal opened contact links to each other with this pin corresponding standard signal wire, by Single-chip Controlling first, second converting switch device switches, thereby coupled external plug respective foot can be switched between the output of internal power supply and primary standard signal, between single-chip microcomputer detection signal and primary standard signal, switch, the outer adaptive plug of machine has the data-storing device, the read-write end of data-storing device links to each other with the contact of the outer adaptive plug of machine, when adaptive plug outside the machine links to each other with the standard interface edge connector, single-chip microcomputer at first makes and detects the read-write pin connection of pin by switchgear and data-storing device, the data storing apparatus is read and write, after reading and writing successfully to the data storing apparatus, the Single-chip Controlling switchgear switches power supply, when what read in is invalid data, and then change-over switch makes each contact of plug to the standard plug signal wire.

6. a kind of computer standard interface socket according to claim 5 (head) electric supply installation, it is characterized in that: described second converting switch device is served as by single-chip microcomputer, single-chip microcomputer links to each other with a certain pin of standard interface socket (head) as the input and output pin that adaptive plug detects pin, this pin corresponding standard signal wire directly or by level conversion links to each other with single-chip microcomputer input and output pin, when what read in is invalid data, then change-over switch makes each contact of plug to the standard plug signal wire, simultaneously, single-chip microcomputer makes as the signal that detects pin and inserts the pin variation with standard signal, carries out the signal transmission.