CN202075730U - Command-type household appliance automation wire holder for verifying data output by junctor of serial port - Google Patents

Command-type household appliance automation wire holder for verifying data output by junctor of serial port Download PDF

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CN202075730U
CN202075730U CN2010206962604U CN201020696260U CN202075730U CN 202075730 U CN202075730 U CN 202075730U CN 2010206962604 U CN2010206962604 U CN 2010206962604U CN 201020696260 U CN201020696260 U CN 201020696260U CN 202075730 U CN202075730 U CN 202075730U
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circuit
output
serial port
8bit
data
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曾艺
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Chongqing Technology and Business University
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Abstract

The utility model relates to a command-type household appliance automation wire holder for verifying data output by a junctor of a serial port and belongs to a computer and household appliance interface device. The command-type household appliance automation wire holder for verifying the data output by the junctor of the serial port is used for transmitting command data by the output junctor of the serial port, controlling to output the command data by a transmitting data line and managing 128 groups of electronic and electric products by comparing the command data with a preset data code, can also be used for detecting four sensors and comprises an RS232C interface, a USB (Universal Serial Bus) interface, a USB conversion serial port circuit, a level conversion circuit, four pairs of sensor interface terminals, a 8-bit SIPO (serial in parallel out) shift register, 256 8-bit data comparator circuits, 128 RS flip-flop circuits, 128 groups of electronic switch circuits and a stabilized voltage supply circuit, wherein DTR (Data Terminal Ready), an RTS (Remote Terminal System) and TXD (transmit data) are respectively connected to a serial port input end and a clock signal input end of the shift register and comparison result A=B signal output admission control ends of the data comparator circuits through the level conversion circuit; and output signals of the data comparator circuits control the corresponding electronic switch circuits through the corresponding RS flip-flop circuits. The command-type household appliance automation wire holder for verifying the data output by the junctor of the serial port is used for automation and networking of a household appliance.

Description

Serial port interconnection output data is checked instruction type automation appliance junction block
Technical field
The utility model belongs to the application electric technology field, particularly relates to a kind of computing machine of household electrical appliance robotization and interface arrangement of domestic electronic and electrical equipment realized.
Background technology
Submit utility model " the home electronic appliance robotization junction block of serial port interconnection the output data management " (application number: 201020531823.4) rely on four input interconnections of serial port to inquire about 4 external Sensor of Switch-Output Type of Patent Office of State Intellectual Property Office examination in September, 2010 to, two output interconnections by serial port transmit the binary data instruction, and send the output that data line TXD controls this data command with it, can manage the operation of 4 pairs of domestic electronics or electrical equipment.
Summary of the invention
The purpose of this utility model is to provide a kind of serial port interconnection output data to check instruction type automation appliance junction block, it is main frame with the computing machine, detect 4 Sensor of Switch-Output Type by serial port, transmit the binary data instruction with its two output interconnections, send the output of data line TXD control data instruction with it, by comparing, move 128 pairs of domestic electronics or electrical equipment with the director data that presets; Comprise: RS232C interface, USB interface, USB change the serial port circuit,
Figure DEST_PATH_GSB00000582302000011
Level shifting circuit, the 4 pairs of sensor interface terminals, 8bit SI PO shift register, 256 8bit data comparator circuit, 128 rest-set flip-flop circuit, 128 groups of electronic switching circuits, voltage-stabilized power supply circuit, anti-lightning strike and surge circuit and power lead and plug thereof.
The technical scheme that its technical matters that solves the utility model adopts is:
USB interface is connected to the corresponding signal input part that USB turns to the serial port circuit, the corresponding port line parallel of the latter's signal output part and RS232C interface; The 5th pin GND of RS232C interface is connected to power cathode, and its 4th pin DTR, the 7th pin RTS, the 3rd pin TXD are connected respectively to
Figure DEST_PATH_GSB00000582302000012
A RS232C level signal input of level shifting circuit, corresponding three the TTL/CMOS level signal outputs of this level shifting circuit are connected respectively to the serial signal input of 8bit SI PO shift register and the comparative result A=B signal output of clock signal input terminal and 256 8bit data comparator circuit allows control end
Figure DEST_PATH_GSB00000582302000013
Figure DEST_PATH_GSB00000582302000014
Four TTL/CMOS level signal inputs of level shifting circuit connect a pull-up resistor separately to positive source, also consisted of 4 pairs of sensor interface terminals with power cathode respectively, corresponding four the RS232C level signal outputs of this level shifting circuit are connected respectively to the first pin CD, the 6th pin DSR, the 8th pin CTS and the nine kinds of needles RI of RS232C interface; 8 output signal end Q of 8bit SI PO shift register 7Q 6Q 5Q 4Q 3Q 2Q 1Q 0One group of comparison signal input A with 256 8bit data comparator circuit 7A 6A 5A 4A 3A 2A 1A 0In regular turn in parallel, 256 comparative result A=B signal output parts of 256 8bi t data comparator circuit connect respectively a pull down resistor to power cathode, also are connected in regular turn respectively 128 opposed 1 end S and reset terminal R of 128 rest-set flip-flop circuit; 128 output Q of 128 rest-set flip-flop circuit are connected respectively to the control signal input of one group of electronic switching circuit; The ac input end of voltage-stabilized power supply circuit is received civil power with anti-lightning strike in parallel with surge circuit by power line and plug thereof.
256 8bi t data comparator circuit are made of side by side 256 8bit binary data comparators, and it is A that each 8bit binary data comparator has two groups of comparison signal inputs 7A 6A 5A 4A 3A 2A 1A 0And B 7B 6B 5B 4B 3B 2B 1B 0One group of comparison signal input A of each 8bit binary data comparator 7A 6A 5A 4A 3A 2A 1A 0Difference is in regular turn in parallel, consists of one group of comparison signal input A of 256 8bit data comparator circuit 7A 6A 5A 4A 3A 2A 1A 0Another group comparison signal input B of each 8bit binary data comparator 7B 6B 5B 4B 3B 2B 1B 0Be connected respectively to the common port of a single-pole double-throw switch (SPDT), so have 8 * 256 single-pole double-throw switch (SPDT)s, the in addition two ends of these single-pole double-throw switch (SPDT)s are connected respectively to positive source and power cathode; Each 8bit binary data comparator also has the signal output part of a comparative result A=B and a comparative result A=B signal output to allow control end
Figure DEST_PATH_GSB00000582302000021
The former high level is effective, consists of one group of comparison signal input A of described 256 8bit data comparator circuit 7A 6A 5A 4A 3A 2A 1A 0, latter's Low level effective, each
Figure DEST_PATH_GSB00000582302000022
Parallel connection, the comparative result A=B signal output that consists of described 256 8bit data comparator circuit allows control end
Voltage-stabilized power supply circuit is made up of power transformer, diode bridge rectifier circuit, capacitor filter and circuit of three-terminal voltage-stabilizing integrated 7806, and 7806 output cathode and output negative pole have constituted the positive source and the power cathode of this device respectively.
Anti-lightning strike and surge circuit is made up of a fuse and a piezo-resistance polyphone.
Figure DEST_PATH_GSB00000582302000024
Level shifting circuit is made up of in conjunction with four electrochemical capacitors two MAX232.
128 groups of electronic switching circuits comprise 128 pairs of electronic switching circuits, and each is identical to the structure of electronic switching circuit, comprises separately: 1 road alternating current electronic switching circuit and 1 road light current electronic switching circuit.
The alternating current electronic switching circuit comprises: 1 NPN triode, 1 PNP triode, 1 base resistance, 1 base biasing resistor, 1 collector resistance, 1 current limliting collector resistance and a solid-state relay; Wherein, the base stage of one termination NPN triode of base resistance, the other end is as the signal input end of this group electronic switching circuit, base biasing resistor is connected in parallel on the emitter junction of PNP triode, the emitter of this PNP triode connects positive source, collector resistance of its base stage series connection is connected to the collector of NPN triode, the emitter of NPN triode is connected to power cathode, current limliting of the collector of PNP triode series connection is connected to the positive pole in the signal input end of solid-state relay with collector resistance, the negative pole in the signal input end of solid-state relay is connected to power cathode; Two output terminals of solid-state relay constitute the output terminal of this alternating current electronic switching circuit.
The light current electronic switching circuit comprises: triode and base resistance, a diode, a light emitting diode and a DC relay; Wherein, the base stage of one termination triode of base resistance, the other end is as the signal input end of this group electronic switching circuit, the emitter of triode is connected to power cathode, its collector is connected to the negative pole of light emitting diode, the positive pole of light emitting diode is connected respectively to an end of the coil of the positive pole of diode and DC relay, and the other end of the negative pole of diode and the coil of DC relay all is connected to positive source; Six terminals of two pairs of single-pole double-throw switch (SPDT)s of DC relay have constituted the output terminal of this light current electronic switching circuit.
The utility model has constituted the interface between computing machine and the home electronic appliance, two output interconnection output order data with serial port, and to send the output of data line steering order data, its advantage is, by comparing with the order code that presets, the electronic apparatus that expansion can be managed is to 128 groups.
Description of drawings
Below in conjunction with accompanying drawing, further specify the utility model.
Fig. 1 is circuit theory diagrams of the present utility model, wherein, and R S1, R S2, R S3, R S4Representative sensor.
Fig. 2 represents to be made up of 4bit binary data comparer the circuit theory diagrams of a 8bit binary data comparer.
Fig. 3 is the schematic diagram of pair of electronic switches circuit.
Among the figure, 001.-128. pair of electronic switches circuit, 11., 12.
Figure DEST_PATH_GSB00000582302000031
Level shifting circuit, 13.8bit SI PO shift register, 15.128 rest-set flip-flop circuit, 31. single-pole double-throw (SPDT) direct current electromagnetic relays, 32. solid-state relay SSR, 5. voltage-stabilized power supply circuit, 51. anti-lightning strike and surge circuit, 6.USB interface, 7.USB change the serial port circuit, 8.RS232C interface, 9.256 8bit data comparator circuit, 91.-93.4bit binary data comparer.
Embodiment
As shown in Figure 1,8bit SI PO shift register (13) is made up of 74HC164, its serial signal input end A and clear terminal all connect positive source, its clock signal input terminal CLK is provided by the RTS of serial port, before the rising edge of clock signal arrives at this moment, required director data is ready to by the output interconnection DTR of serial port earlier, and is sent to another serial signal input end B of 74HC164.74HC164 seals in the 8bit director data D that walks abreast out at every turn 7D 6D 5D 4D 3D 2D 1D 0Detailed process be: 1) DTR=0, then, repeat 8 times at least RTS=0 → 1 → 0, zero clearing 74HC164 to Q 7Q 6Q 5Q 4Q 3Q 2Q 1Q 0=00000000; 2) DTR=D i, i=7, then, RTS=0 → 1 → 0; 3) i=i-1, DTR=D i, then, so carry out RTS=0 → 1 → 0, until that i=0 is performed is complete.
In the process of " sealing in the 8bit director data that walks abreast out ", the output of the comparative result A=B signal of 256 8bit data comparator circuit (9) allows control end
Figure DEST_PATH_GSB00000582302000041
Send data line TXD control by serial port, that prevented 8bit SI PO shift register (13) and line output intermediateness is applied on the R, S control end of 128 rest-set flip-flop circuit (15) by 256 8bi t data comparator circuit (9), so has avoided electronic switching circuit (001)-(128) possible misoperation.
256 8bit data comparator circuit (9) are made of side by side 256 8bi t data comparators.As shown in Figure 2, a 8bit binary data comparer can be made up of with (93) 3 tetrad data comparer integrated circuit (91), (92).One group of data input pin A of comparator (92) and (91) 3A 2A 1A 0, A 3A 2A 1A 0Consisted of successively one group of comparison signal input A of this comparator circuit (9) 7A 6A 5A 4A 3A 2A 1A 0Another group data input pin B of comparator (92) and (91) 3B 2B 1B 0, B 3B 2B 1B 0Consisted of successively another group comparison signal input B of this comparator circuit (9) 7B 6B 5B 4B 3B 2B 1B 0, they come the prepositioned instruction code by eight single-pole double-throw switch (SPDT)s.Utilize one group of data input pin B of comparator (93) 3B 2B 1B 0Highest order B 3The comparative result A=B signal output that consists of this comparator circuit (9) allows control end OE, if i.e. OE=TXD=1, the output signal A=B end of comparator (93) is always low level.Therefore, the pull down resistor R000 among Fig. 1 ..., R255 can save.
Serial port sends line and is in high level at ordinary times, and the information format of asynchronous serial communication is: " character+parity check bit of (1 low level) start bit+transmission+(1,1.5 or 2 high level) position of rest ".Therefore, set the transmission speed of serial port, " seal in the 8bit director data that walks abreast out ", and then use the Output attribute of control MSComm32.OCX that character string is at random write in the output register, then " its front of character of every transmission is superimposed with a low level beginning flag position " can give 128 rest-set flip-flop circuit (15) by the correct instruction matching result of assurance data comparator circuit (9) output.
The transmission range of the RS232C interface of computing machine can reach 15 meters, corresponding level+the 3V of its logical zero～+ 15V, corresponding level-the 3V of logical one～(15) V, and its follow-up HCMOS, the operating voltage of cmos circuit is respectively: 2V～6V and 3V～15V (4500B)～18V (4000B).Therefore, as shown in Figure 1, adopt level shifter interface chip (11) and (12) to finish
Figure DEST_PATH_GSB00000582302000042
The level conversion task, MAX232 commonly used need cooperate four economize on electricitys to separate electric capacity realizing the doubling with anti-phase of voltage, and MAX225, MAX233, MAX235, MAX245, MAX246, MAX247 even do not need peripheral components just can independently finish level conversion.
Figure DEST_PATH_GSB00000582302000043
Level shifting circuit (11) and (12) also can adopt transistor switching circuit cooperate one group-6V～-9V stabilized voltage supply and one group of 6V stabilized voltage supply form.-6V～-the 9V stabilized voltage supply can realize by 7909 circuit of three-terminal voltage-stabilizing integrated such as grade easily.
In the use procedure, tube sensor not, the program of directly moving computer just can managing electronic or the operation of electrical equipment.

Claims (7)

1. command-type household appliance automation wire holder for verifying data output by junctor of serial port is characterized in that: comprise RS232C interface, USB interface, USB turn to the serial port circuit,
Figure DEST_PATH_FSB00000582301900011
Level shifting circuit, the 4 pairs of sensor interface terminals, 8bit SI PO shift register, 256 8bit data comparator circuit, 128 rest-set flip-flop circuit, 128 groups of electronic switching circuits, voltage-stabilized power supply circuit, anti-lightning strike and surge circuit and power line and plug thereof; Wherein, USB interface is connected to the corresponding signal input part that USB turns to the serial port circuit, the corresponding port line parallel of the latter's signal output part and RS232C interface; The 5th pin GND of RS232C interface is connected to power cathode, and its 4th pin DTR, the 7th pin RTS, the 3rd pin TXD are connected respectively to
Figure DEST_PATH_FSB00000582301900012
A RS232C level signal input of level shifting circuit, corresponding three the TTL/CMOS level signal outputs of this level shifting circuit are connected respectively to the serial signal input of 8bit SI PO shift register and the comparative result A=B signal output of clock signal input terminal and 256 8bit data comparator circuit allows control end
Figure DEST_PATH_FSB00000582301900013
Figure DEST_PATH_FSB00000582301900014
Four TTL/CMOS level signal inputs of level shifting circuit connect a pull-up resistor separately to positive source, also consisted of 4 pairs of sensor interface terminals with power cathode respectively, corresponding four the RS232C level signal outputs of this level shifting circuit are connected respectively to the first pin CD, the 6th pin DSR, the 8th pin CTS and the nine kinds of needles RI of RS232C interface; 8 output signal end Q of 8bit SI PO shift register 7Q 6Q 5Q 4Q 3Q 2Q 1Q 0One group of comparison signal input A with 256 8bit data comparator circuit 7A 6A 5A 4A 3A 2A 1A 0In regular turn in parallel, 256 comparative result A=B signal output parts of 256 8bit data comparator circuit connect respectively a pull down resistor to power cathode, also are connected in regular turn respectively 128 opposed 1 end S and reset terminal R of 128 rest-set flip-flop circuit; 128 output Q of 128 rest-set flip-flop circuit are connected respectively to the control signal input of one group of electronic switching circuit; The ac input end of voltage-stabilized power supply circuit is received civil power with anti-lightning strike in parallel with surge circuit by power line and plug thereof.
2. command-type household appliance automation wire holder for verifying data output by junctor of serial port according to claim 1, it is characterized in that: 256 8bit data comparator circuit are made of side by side 256 8bit binary data comparators, and it is A that each 8bit binary data comparator has two groups of comparison signal inputs 7A 6A 5A 4A 3A 2A 1A 0And B 7B 6B 5B 4B 3B 2B 1B 0One group of comparison signal input A of each 8bit binary data comparator 7A 6A 5A 4A 3A 2A 1A 0Difference is in regular turn in parallel, consists of one group of comparison signal input A of 256 8bit data comparator circuit 7A 6A 5A 4A 3A 2A 1A 0Another group comparison signal input B of each 8bit binary data comparator 7B 6B 5B 4B 3B 2B 1B 0Be connected respectively to the common port of a single-pole double-throw switch (SPDT), so have 8 * 256 single-pole double-throw switch (SPDT)s, the in addition two ends of these single-pole double-throw switch (SPDT)s are connected respectively to positive source and power cathode; Each 8bit binary data comparator also has the signal output part of a comparative result A=B and a comparative result A=B signal output to allow control end The former high level is effective, consists of one group of comparison signal input A of described 256 8bit data comparator circuit 7A 6A 5A 4A 3A 2A 1A 0, latter's Low level effective, each
Figure DEST_PATH_FSB00000582301900021
Parallel connection, the comparative result A=B signal output that consists of described 256 8bit data comparator circuit allows control end
Figure DEST_PATH_FSB00000582301900022
3. serial port interconnection output data according to claim 1 is checked instruction type automation appliance junction block, it is characterized in that: voltage-stabilized power supply circuit is made up of power transformer, diode bridge rectifier circuit, capacitor filter and circuit of three-terminal voltage-stabilizing integrated 7806, and 7806 output cathode and output negative pole have constituted the positive source and the power cathode of this device respectively.
4. serial port interconnection output data according to claim 1 is checked instruction type automation appliance junction block, it is characterized in that: anti-lightning strike and surge circuit is made up of a fuse and a voltage dependent resistor (VDR) polyphone.
5. serial port interconnection output data according to claim 1 is checked instruction type automation appliance junction block, it is characterized in that: 128 groups of electronic switching circuits comprise 128 pairs of electronic switching circuits, each is identical to the structure of electronic switching circuit, comprises 1 road alternating current electronic switching circuit and 1 road light current electronic switching circuit separately.
6. serial port interconnection output data according to claim 5 is checked instruction type automation appliance junction block, it is characterized in that: the alternating current electronic switching circuit comprises 1 NPN triode, 1 PNP triode, 1 base resistance, 1 base biasing resistor, 1 collector resistance, 1 current limliting collector resistance and a solid-state relay; Wherein, the base stage of one termination NPN triode of base resistance, the other end is as the signal input end of this group electronic switching circuit, base biasing resistor is connected in parallel on the emitter junction of PNP triode, the emitter of this PNP triode connects positive source, collector resistance of its base stage series connection is connected to the collector of NPN triode, the emitter of NPN triode is connected to power cathode, current limliting of the collector of PNP triode series connection is connected to the positive pole in the signal input end of solid-state relay with collector resistance, the negative pole in the signal input end of solid-state relay is connected to power cathode; Two output terminals of solid-state relay constitute the output terminal of this alternating current electronic switching circuit.
7. serial port interconnection output data according to claim 5 is checked instruction type automation appliance junction block, it is characterized in that: the light current electronic switching circuit comprises a triode and base resistance, a diode, a light emitting diode and a DC relay; Wherein, the base stage of one termination triode of base resistance, the other end is as the signal input end of this group electronic switching circuit, the emitter of triode is connected to power cathode, its collector is connected to the negative pole of light emitting diode, the positive pole of light emitting diode is connected respectively to an end of the coil of the positive pole of diode and DC relay, and the other end of the negative pole of diode and the coil of DC relay all is connected to positive source; Six terminals of two pairs of single-pole double-throw switch (SPDT)s of DC relay have constituted the output terminal of this light current electronic switching circuit.
CN2010206962604U 2010-12-29 2010-12-29 Command-type household appliance automation wire holder for verifying data output by junctor of serial port Expired - Fee Related CN202075730U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108873766A (en) * 2017-08-15 2018-11-23 北京旷视科技有限公司 A kind of I/O control circuitry and camera apparatus for camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108873766A (en) * 2017-08-15 2018-11-23 北京旷视科技有限公司 A kind of I/O control circuitry and camera apparatus for camera

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