CN202221989U - Automatic socket for eight channels of household electronic appliances for serial port inquiry management - Google Patents
Automatic socket for eight channels of household electronic appliances for serial port inquiry management Download PDFInfo
- Publication number
- CN202221989U CN202221989U CN2011202327255U CN201120232725U CN202221989U CN 202221989 U CN202221989 U CN 202221989U CN 2011202327255 U CN2011202327255 U CN 2011202327255U CN 201120232725 U CN201120232725 U CN 201120232725U CN 202221989 U CN202221989 U CN 202221989U
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- circuit
- circuits
- serial port
- automatic socket
- power source
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Abstract
An automatic socket for eight channels of household electronic appliances for serial port inquiry management belongs to interface devices of computers and household electronic appliances and consists of a nine-pin RS232C interface, an RS232-TTL/CMOS(transistor-transistor logic/complementary metal oxide semiconductor) level switch circuit, two 4bit tristate gate circuits, two tristate gate circuits, four pairs of sensor interface terminals, second to fourth decoding circuits, a binary counter, fourth to sixteenth decoding circuits, a data output enabling circuit, a data latch circuit, eight electronic switch circuits, a lightning stroke and surge preventive circuit, main supply power lines and a plug thereof, and an AC-DC (alternating current-direct current) module power source. The automatic socket is powered by main supply through the AC-DC module power source, metal is saved, and both weight and size are reduced. Besides, the automatic socket is used for computers to detect four sensors through serial ports and run eight pairs of household electric appliances and electronic devices.
Description
Technical field
The utility model belongs to the application electric technology field, particularly relates to the interface arrangement of a kind of computer and domestic electronic and electrical equipment.
Background technology
Output interconnection RI to the computer serial port can only detect bell signal; Can not detect the situation of its high and low level state; Utility model " 8 road home electronic appliance automation junction blocks of serial port searching and managing " (application number: 201120229838X) utilize the not busy surplus chip selection signal/Y2 of 2-4 decoding circuit in the utility model " the home electronic appliance automation junction block of serial port searching and managing " (patent No.: ZL 2,010 2 0531787.1); Increased the two-way tri-state gate circuit; Make computer extend to four by three through the number of the transducer of serial port detected state; The binary data (instruction) of implementing verification is developed to four by three, thereby can adopt the 4-16 decoding circuit, makes electronic switching circuit be increased to 8 groups from 4 groups.Above-mentioned two utility models all dispose DC-stabilized circuit, for wherein HCMOS and cmos circuit provides power supply.
Summary of the invention
The purpose of the utility model is to provide a kind of 8 road home electronic appliance automation sockets of serial port searching and managing; Interface arrangement between the serial port of its formation home electronic appliance and computer is to adopt the modular power source new technology to improve utility model " 8 road home electronic appliance automation junction blocks of serial port searching and managing " (application number: 201120229838X) form.
The utility model solves the technical scheme that its technical problem adopted: <-TTL/>CMOS level shifting circuit, two groups of 4bit tri-state gate circuits, two-way tri-state gate circuit, 4 pairs of sensor interface terminals, 2-4 decoding circuit, binary counter, 4-16 decoding circuit, data output enable circuit, data-latching circuit, 8 groups of electronic switching circuits, anti-thunderbolt and surge circuit, supply main and plugs thereof and AC-DC modular power sources are formed by 9 pin RS232C interfaces, RS232 for it; Two ac input ends of said AC-DC modular power source are connected respectively to the phase line and the working zero line of civil power; Also parallelly connected with anti-thunderbolt and surge circuit, its two outputs are respectively as the positive pole and the negative pole of the working power of foregoing circuit.
The utility model has constituted the interface between computer and transducer and the home electronic appliance; Acted on the function of utility model " 8 road home electronic appliance automation junction blocks of serial port searching and managing "; Cooperate Switch-Output Type ,+3V-+level output type, pulse output type or the resistance saltus step type transducer of 6V, realize computer automation operation domestic electronic or electrical equipment.The utility model has the advantages that: select for use the AC-DC modular power source as working power, removed power transformer, saved non-ferrous metal, alleviated weight, reduced volume.
Description of drawings
Below in conjunction with accompanying drawing, further specify the utility model.
Fig. 1 is one of circuit theory diagrams of the utility model, comprising: RS232 <-TTL/>CMOS level shifting circuit, two groups of 4bit tri-state gate circuits, sensor interface circuitry, two-way tri-state gate circuit, 2-4 decoding circuit and voltage-stabilized power supply circuits.
Fig. 2 be the utility model circuit theory diagrams two, comprising: binary counter, 4-16 decoding circuit, data output enable circuit and data-latching circuit and 8 groups of electronic switching circuits.
Fig. 3 is the 4-16 decoding circuit of the circuit theory diagrams of the utility model.
Fig. 4 is one of circuit theory diagrams of the utility model group electronic switching circuit.
Among the figure, 01.-08. electronic switching circuit, 5. AC-DC modular power source, 51. anti-thunderbolt and surge circuit; 8.RS232C interface, 11.-12.RS232 <-TTL/>CMOS level shifting circuit, 13. liang of group 4bit tri-state gate circuits, 14.2-4 decoding circuit; 21. binary counter, 22.4-16 decoding circuit, 23. data output enable circuit; 24. data-latching circuit, 31. direct current electromagnetic relays, 32. solid-state relay SSR.
Embodiment
The utility model is the basis with " 8 road home electronic appliance automation junction blocks of serial port searching and managing " />; Its basic circuit such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4 comprise: 9 pin RS232C interfaces (8), RS232 <-TTLCMOS level shifting circuit (11)-(12), two groups of 4bit tri-state gate circuits (13), two-way tri-state gate circuit, 4 pairs of sensor interface terminals RS1, RS2, RS3 and RS4,2-4 decoding circuit (14), binary counter (21), 4-16 decoding circuit (22), data output enable circuit (23), data-latching circuit (24), 8 groups of electronic switching circuits (01)-(08), voltage-stabilized power supply circuit (5), anti-thunderbolt and surge circuit (51) and supply main and plugs thereof.
Fig. 1 has reflected four transducers (being RS1, RS2, RS3 and RS4) that computer is cooperated through the serial port inquiry and four flow processs that count results is a director data of binary counter (21).Fig. 2 has reflected the flow process of serial data instruction " transformation from serial to parallel, decoding, output ", can control the start and stop of eight groups of electronic switches (01)-(08).
Among Fig. 1, the ac input end of AC-DC modular power source (5) is parallelly connected with anti-thunderbolt and surge circuit (51).Anti-thunderbolt and surge circuit (51) are composed in series by a fuse and a piezo-resistance.
The AC-DC modular power source is a kind of emerging power technology, need not power transformer, and volume is little.In this device, the operating voltage of HCMOS, cmos circuit is respectively: and 2V – 6V and 3V-15V (4500B) – 18V (4000B), the starting current of solid-state relay (32) is 4-20mA, the operating current of direct current relay (31) is 35 mA.Select for use the basic parameter of AC-DC modular power source (5) to be: be output as single channel, output voltage is 5V or 6V, output current >=(20+35) X8 X 2=880mA.According to the commercial power supply situation, select wide voltage imported (AC85-265V) or narrow voltage imported (AC165-265V) for use.
Claims (1)
1. 8 road home electronic appliance automation sockets of a serial port searching and managing; <-TTL/>CMOS level shifting circuit, two groups of 4bit tri-state gate circuits, two-way tri-state gate circuit, 4 pairs of sensor interface terminals, 2-4 decoding circuit, binary counter, 4-16 decoding circuit, data output enable circuit, data-latching circuit, 8 groups of electronic switching circuits, anti-thunderbolt and surge circuit, supply main and plugs thereof and AC-DC modular power sources are formed by 9 pin RS232C interfaces, RS232 for it; It is characterized in that: two ac input ends of said AC-DC modular power source are connected respectively to the phase line and the working zero line of civil power; Also parallelly connected with anti-thunderbolt and surge circuit, its two outputs are respectively as the positive pole and the negative pole of the working power of foregoing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202327255U CN202221989U (en) | 2011-07-04 | 2011-07-04 | Automatic socket for eight channels of household electronic appliances for serial port inquiry management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202327255U CN202221989U (en) | 2011-07-04 | 2011-07-04 | Automatic socket for eight channels of household electronic appliances for serial port inquiry management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202221989U true CN202221989U (en) | 2012-05-16 |
Family
ID=46044008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202327255U Expired - Fee Related CN202221989U (en) | 2011-07-04 | 2011-07-04 | Automatic socket for eight channels of household electronic appliances for serial port inquiry management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202221989U (en) |
-
2011
- 2011-07-04 CN CN2011202327255U patent/CN202221989U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20130704 |