CN208636899U - Gate inhibition's relay control system - Google Patents
Gate inhibition's relay control system Download PDFInfo
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- CN208636899U CN208636899U CN201820744431.2U CN201820744431U CN208636899U CN 208636899 U CN208636899 U CN 208636899U CN 201820744431 U CN201820744431 U CN 201820744431U CN 208636899 U CN208636899 U CN 208636899U
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Abstract
A kind of gate inhibition's relay control system provided by the utility model, including central controller U1,485 telecommunication circuits, multiple for detect the opening and closing of the gate inhibition's relay and identical detection circuit of circuit structure, multiple circuit structures identical relay control output circuit and power supply circuit；The central controller U1 is communicated to connect by 485 telecommunication circuits and upper control machine, the detection circuit is connect with central controller U1, the control output end of the central controller U1 is connect with relay control output circuit, the output end of the relay control output circuit is connect with controlled relay, the power supply circuit is used for central controller U1, 485 telecommunication circuits, detection circuit and relay control output circuit power supply, pass through above structure, it can be realized while the relay of multiple gate inhibitions is controlled, to can be effectively reduced use cost in use, and, it can be realized and the state of multiple relays is acquired and is fed back, precise control, and corresponding speed is fast, it is convenient to use.
Description
Technical field
The utility model relates to a kind of control system more particularly to a kind of gate inhibition's relay control systems.
Background technique
In existing electronic access control system, general being turned on or off come access control by the on-off of relay,
Therefore, the accurate real-time control of relay is the key realizing access control system and operating normally, and existing relay circuit is deposited
In following disadvantage: existing control relay circuit control is single, that is to say, that a upper control machine can only control a list
Only access control system, so that use cost is high.
Therefore, in order to solve the above-mentioned technical problem, need to propose a kind of new gate inhibition's relay control system.
Utility model content
The purpose of the utility model is to provide a kind of gate inhibition's relay control system, can be realized while to multiple gate inhibitions'
Relay is controlled, to can be effectively reduced use cost in use, moreover, can be realized the shape to multiple relays
State is acquired and feeds back, precise control, and corresponding speed is fast, is easy to use.
A kind of gate inhibition's relay control system provided by the utility model, including central controller U1,485 telecommunication circuits,
It is multiple to be used to detect that gate inhibition's relay is opened and closed and the identical detection circuit of circuit structure, the identical relay of multiple circuit structures
Control output circuit and power supply circuit；
The central controller U1 is communicated to connect by 485 telecommunication circuits and upper control machine, and the detection circuit is in
Controller U1 connection is entreated, the control output end of the central controller U1 is connect with relay control output circuit, the relay
The output end of device control output circuit is connect with controlled relay, and the power supply circuit is used for central controller U1,485 communications
Circuit, detection circuit and relay control output circuit power supply.
Further, the central controller U1 is PIC24FJ64GA106 chip；
485 telecommunication circuit include resistance R1, chip U2, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6,
Two-way transient diode TVS1, two-way transient diode TVS2, two-way transient diode TVS3 and interface J1；
The chip U2 is MAX3485EESA chip；
1 pin of the chip U2 is connect with 12 pins of central controller U1,2 pins and 3 pins of the chip U2
It is connect with 11 pins of central controller U1,4 pins of chip U2 are connect with 8 pins of central controller U1, the chip U2
1 pin 3.3V power supply is connect by resistance R1,8 pins of chip U2 connect 3.3V power supply, the one of 7 pins of chip U2 and resistance R2
End connection, the other end of resistance R2 are connect with interface J1, and 6 pins of chip U2 are connect with one end of resistance R3, and resistance R3's is another
One end is connect with interface J1, and the points of common connection between the resistance R2 and interface J1 passes through resistance R5 and resistance R3 and interface J1
Between points of common connection connection, the points of common connection between resistance R2 and resistance R5 is grounded by resistance R4, resistance R3 and electricity
Resistance R5 between points of common connection be grounded by resistance R6, two-way transient diode TVS1 is in parallel with resistance R5, resistance R2 with connect
Points of common connection between mouth J1 is grounded by two-way transient diode TVS2, the points of common connection between resistance R3 and interface J1
It is grounded by two-way transient diode TVS3；Wherein 485 telecommunication circuits for connecting by interface J1 with upper control machine.
Further, the relay control output circuit is 8 and respectively drives 8 gate inhibition's relays of control；
The relay control output circuit includes the identical isolation input circuit of 8 circuit structures and Darlington transistor battle array
Arrange U5, the input terminal of 8 isolation input circuits respectively with 1 pin of central controller U1,2 pins, 3 pins, 60 pins,
61 pins, 62 pins, 63 pins and the connection of 64 pins, the output end of 8 isolation input circuits is with Darlington transistor array U5's
Input terminal connection, the output end of Darlington transistor array U5 are connect with the control terminal of 8 relays respectively, wherein Darlington transistor battle array
It is classified as ULN2803.
Further, the isolation input circuit includes resistance R15, optocoupler G1 and resistance R16；
One end of resistance R15 is connected to central controller U2 as the input terminal of isolation input circuit, and resistance R15's is another
It holds and is connect with the anode of the light emitting diode of optocoupler G1, the cathode ground connection of the light emitting diode of optocoupler G1, photosensitive the three of optocoupler G1
The collector of pole pipe connects 5V power supply, output end and Darlington transistor array of the emitter of phototriode as isolation input circuit
Input terminal connection, the emitter of phototriode is grounded by resistance R16.
Further, the detection module is that the circuit structure of 8 and 8 detection modules is all the same；
The detection module includes interface J3, resistance R26, resistance R28, resistance R27, resistance R29, optocoupler G2 and optocoupler
G3；
One end of resistance R26 is connect with interface J3, and the cathode of the light emitting diode of the other end and optocoupler G2 of resistance R26 connects
It connects, the anode of the light emitting diode of optocoupler G2 connects 5V power supply, and the collector of the phototriode of optocoupler G2 is as door lock shape
The output end of state signal LOCK is connect with central controller U1, the emitter ground connection of the phototriode of optocoupler G2, optocoupler G2's
Collector also passes through resistance R27 and connects 3.3V power supply；
One end of resistance R28 is connect with interface J3, and the cathode of the light emitting diode of the other end and optocoupler G3 of resistance R28 connects
It connects, the anode of the light emitting diode of optocoupler G3 connects 5V power supply, and the collector of the phototriode of optocoupler G3 is as gate inhibition's opening state
The output end of state signal KEY is connect with central controller U1, the emitter ground connection of the phototriode of optocoupler G3, the collection of optocoupler G3
Electrode also passes through resistance R29 and connects 3.3V power supply.
Further, the power supply circuit includes the first power supply circuit and the second power supply circuit；First power supply circuit
Input termination 12V DC power supply, the first power supply circuit export 5V direct current；The input terminal of second power supply circuit and first supplies
The output end of circuit connects, and the second power supply circuit exports 3.3V direct current；
Wherein the first power supply circuit uses LM2596-5V chip, and the second power supply circuit uses AMS1117-3.3V chip.
It further, further include expansion interface circuit, the expansion interface circuit is connect with central controller U1.
It further, further include address setting circuit and address lookup/setting circuit；
The address lookup/setting circuit includes resistance R30, button switch K 1；A termination 3.3V electricity of the resistance R30
The other end in source, resistance R30 is grounded by button switch K 1, and the points of common connection between resistance R30 and button switch K 1 is in
Entreat the 58 pins connection of controller U1；
The address setting circuit includes resistance R31, button switch K 2；A termination 3.3V power supply of the resistance R31, electricity
The other end of resistance R31 is grounded by button switch K 2, and the points of common connection between resistance R31 and button switch K 2 and center control
59 pins of device U1 connect.
It further, further include display module, the display module includes chip U6, charactron DS1, triode Q1, three poles
Pipe Q2, resistance R37 and resistance R38；
The chip U6 is 74HC164, and the charactron DS1 is 2821AH charactron；
1 pin and 2 pins of the chip U6 is connect with 50 pins of central controller U1, and 8 pins of chip U6 are in
The 49 pins connection of controller U1 is entreated, the output pin of chip U6 is connect with the input pin of charactron DS1, and the 6 of charactron DS1
Pin is connect with the collector of triode Q2, and the emitter ground connection of triode Q2, the base stage of triode Q2 is connected by resistance R38
It is connected in 46 pins of central controller U1；
9 pins of charactron DS1 are connect with the collector of triode Q1, the emitter ground connection of triode Q1, triode Q1
Base stage by resistance R37 be connected to central controller U1 45 pins connect.
The utility model has the beneficial effects that by the utility model, can be realized and meanwhile to the relay of multiple gate inhibitions into
Row control, to can be effectively reduced use cost in use, adopts the state of multiple relays moreover, can be realized
Collection and feedback, precise control, facilitate installation to extend, and facilitate and increase control node number, and corresponding speed is fast, are easy to use.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the principles of the present invention block diagram.
Fig. 2 is the pinouts of the central controller U1 of the utility model.
Fig. 3 is the 485 telecommunication circuit schematic diagrams of the utility model.
Fig. 4 is the 485 telecommunication circuit schematic diagram of redundancy of the utility model.
Fig. 5 is the power supply circuit schematic diagram of the utility model.
Fig. 6 is the isolation input circuit diagram of the utility model.
Fig. 7 is the Darlington transistor array pinouts of the utility model.
Fig. 8 is the circuit diagram of the display module of the utility model.
Fig. 9 is the detection circuit schematic diagram of the utility model.
Figure 10 is the address lookup/setting circuit diagram of the utility model.
Figure 11 is that circuit diagram is arranged in the address of the utility model.
Figure 12 is the expansion interface circuit schematic diagram of the utility model.
Figure 13 is the controlled relay circuit schematic diagram of the utility model.
Specific embodiment
Further description is made to the utility model below in conjunction with Figure of description, as shown in the figure:
A kind of gate inhibition's relay control system provided by the utility model, including central controller U1,485 telecommunication circuits,
It is multiple to be used to detect that gate inhibition's relay is opened and closed and the identical detection circuit of circuit structure, the identical relay of multiple circuit structures
Control output circuit and power supply circuit；
The central controller U1 is communicated to connect by 485 telecommunication circuits and upper control machine, and the detection circuit is in
Controller U1 connection is entreated, the control output end of the central controller U1 is connect with relay control output circuit, the relay
The output end of device control output circuit is connect with controlled relay, and the power supply circuit is used for central controller U1,485 communications
Circuit, detection circuit and relay control output circuit power supply, by above structure, can be realized while to multiple gate inhibitions'
Relay is controlled, to can be effectively reduced use cost in use, moreover, can be realized the shape to multiple relays
State is acquired and feeds back, precise control, and corresponding speed is fast, is easy to use.
In the present embodiment, the central controller U1 is PIC24FJ64GA106 chip；
485 telecommunication circuit include resistance R1, chip U2, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6,
Two-way transient diode TVS1, two-way transient diode TVS2, two-way transient diode TVS3 and interface J1；
The chip U2 is MAX3485EESA chip；
1 pin of the chip U2 is connect with 12 pins of central controller U1,2 pins and 3 pins of the chip U2
It is connect with 11 pins of central controller U1,4 pins of chip U2 are connect with 8 pins of central controller U1, the chip U2
1 pin 3.3V power supply is connect by resistance R1,8 pins of chip U2 connect 3.3V power supply, the one of 7 pins of chip U2 and resistance R2
End connection, the other end of resistance R2 are connect with interface J1, and 6 pins of chip U2 are connect with one end of resistance R3, and resistance R3's is another
One end is connect with interface J1, and the points of common connection between the resistance R2 and interface J1 passes through resistance R5 and resistance R3 and interface J1
Between points of common connection connection, the points of common connection between resistance R2 and resistance R5 is grounded by resistance R4, resistance R3 and electricity
Resistance R5 between points of common connection be grounded by resistance R6, two-way transient diode TVS1 is in parallel with resistance R5, resistance R2 with connect
Points of common connection between mouth J1 is grounded by two-way transient diode TVS2, the points of common connection between resistance R3 and interface J1
It is grounded by two-way transient diode TVS3；Wherein 485 telecommunication circuits for connecting by interface J1 with upper control machine；Wherein,
485 telecommunication circuits are set as two, and two structures are identical, as shown in Figures 3 and 4, wherein 485 communication electricity in Fig. 4
It is spare that road is used as redundancy, it can be ensured that stabilized communication between central controller U1 and upper control machine, to realize to relay
Accurately control, as 485 telecommunication circuit of redundancy, 1 pin of chip U3 is connect with 6 pins of central controller U1, chip
2 and 3 pins of U3 are connect with 5 pins of central controller U1, and 4 pins of chip U3 are connect with 4 pins of central controller U1.
In the present embodiment, the relay control output circuit is 8 and respectively drives 8 gate inhibition's relays of control；
The relay control output circuit includes the identical isolation input circuit of 8 circuit structures and Darlington transistor battle array
Arrange U5, the input terminal of 8 isolation input circuits respectively with 1 pin of central controller U1,2 pins, 3 pins, 60 pins,
61 pins, 62 pins, 63 pins and the connection of 64 pins, the output end of 8 isolation input circuits is with Darlington transistor array U5's
Input terminal connection, the output end of Darlington transistor array U5 are connect with the control terminal of 8 relays respectively, wherein Darlington transistor battle array
It is classified as ULN2803.
Wherein, the isolation input circuit includes resistance R15, optocoupler G1 and resistance R16；
One end of resistance R15 is connected to central controller U2 as the input terminal of isolation input circuit, and resistance R15's is another
It holds and is connect with the anode of the light emitting diode of optocoupler G1, the cathode ground connection of the light emitting diode of optocoupler G1, photosensitive the three of optocoupler G1
The collector of pole pipe connects 5V power supply, output end and Darlington transistor array of the emitter of phototriode as isolation input circuit
Input terminal connection, the emitter of phototriode is grounded by resistance R16, by above structure, can be realized central control
Device U1 carries out isolation output to relay control output circuit, to form good protection to central controller.
In the present embodiment, the detection module is that the circuit structure of 8 and 8 detection modules is all the same；
The detection module includes interface J3, resistance R26, resistance R28, resistance R27, resistance R29, optocoupler G2 and optocoupler
G3；
One end of resistance R26 is connect with interface J3, and the cathode of the light emitting diode of the other end and optocoupler G2 of resistance R26 connects
It connects, the anode of the light emitting diode of optocoupler G2 connects 5V power supply, and the collector of the phototriode of optocoupler G2 is as door lock shape
The output end of state signal LOCK is connect with central controller U1, the emitter ground connection of the phototriode of optocoupler G2, optocoupler G2's
Collector also passes through resistance R27 and connects 3.3V power supply；
One end of resistance R28 is connect with interface J3, and the cathode of the light emitting diode of the other end and optocoupler G3 of resistance R28 connects
It connects, the anode of the light emitting diode of optocoupler G3 connects 5V power supply, and the collector of the phototriode of optocoupler G3 is as gate inhibition's opening state
The output end of state signal KEY is connect with central controller U1, the emitter ground connection of the phototriode of optocoupler G3, the collection of optocoupler G3
Electrode also passes through resistance R29 and connects 3.3V power supply.Wherein, 1 foot of interface J3 and 2 feet connect the state feedback switch letter of gate inhibition's electromagnetic lock
Number line, 3 feet and 2 feet of interface J3 connect the door open button switch of gate inhibition；Since detection module is 8, signal LOCK and signal KEY
There are 8, and adds Arabic numerals to distinguish behind LOCK and KEY, and the connection relationship with central controller U1
As shown in Figure 2.
In the present embodiment, the power supply circuit includes the first power supply circuit and the second power supply circuit；The first power supply electricity
The input on road terminates 12V DC power supply, and the first power supply circuit exports 5V direct current；The input terminal of second power supply circuit and
The output end of one power supply circuit connects, and the second power supply circuit exports 3.3V direct current；
Wherein the first power supply circuit uses LM2596-5V chip, and the second power supply circuit uses AMS1117-3.3V chip, leads to
This structure is crossed, steady operation electricity consumption can be provided for control system.
It further include expansion interface circuit in the present embodiment, the expansion interface circuit is connect with central controller U1,
In, the physical circuit of expansion interface circuit is as shown in figure 12, by expansion interface circuit, can be conducive to central controller U1's
In house software carries out maintenance update, is easy to use, and interface J4, interface J2, interface J3 and interface J1 in Figure 12 are all made of existing
Some row's needle interfaces.
It further include address setting circuit and address lookup/setting circuit in the present embodiment；
The address lookup/setting circuit includes resistance R30, button switch K 1；A termination 3.3V electricity of the resistance R30
The other end in source, resistance R30 is grounded by button switch K 1, and the points of common connection between resistance R30 and button switch K 1 is in
Entreat the 58 pins connection of controller U1；
The address setting circuit includes resistance R31, button switch K 2；A termination 3.3V power supply of the resistance R31, electricity
The other end of resistance R31 is grounded by button switch K 2, and the points of common connection between resistance R31 and button switch K 2 and center control
59 pins of device U1 connect, convenient to carry out inquiry setting to the address of central controller U1 by above structure.
Further include display module in the present embodiment, the display module include chip U6, charactron DS1, triode Q1,
Triode Q2, resistance R37 and resistance R38；
The chip U6 is 74HC164, and the charactron DS1 is 2821AH charactron；
1 pin and 2 pins of the chip U6 is connect with 50 pins of central controller U1, and 8 pins of chip U6 are in
The 49 pins connection of controller U1 is entreated, the output pin of chip U6 is connect with the input pin of charactron DS1, and the 6 of charactron DS1
Pin is connect with the collector of triode Q2, and the emitter ground connection of triode Q2, the base stage of triode Q2 is connected by resistance R38
It is connected in 46 pins of central controller U1；
9 pins of charactron DS1 are connect with the collector of triode Q1, the emitter ground connection of triode Q1, triode Q1
Base stage by resistance R37 be connected to central controller U1 45 pins connect；By the on or off of triode Q1 and Q2,
The figure place showing of charactron can be set；Wherein, the connection relationship between chip U6 and charactron DS1 is as shown in Figure 8；Charactron
After 1 short-press of button switch K (being unclamped immediately after pressing), it is shown that 485 mailing addresses of current device are numbered；It is opened in button
After closing K1 long-pressing (press 3 seconds or more and do not unclamp), charactron is also the 485 mailing addresses number of the current device of display, and
And charactron starts to flash, and indicates entry into setting 485 mailing address numbering schemes of modification, presses address setting button in such a mode
Switch K2, the address of numeral method can be recycled by 1-8 to be shown, can set equipment to 485 mailing addresses needed number,
Press address setting button K2 by 485 mailing addresses be adjusted to need mailing address after, press inquiry/setting button again and (press
Button switch K1) determine setting, and the modification of 485 mailing addresses is saved as into 485 mailing addresses being just arranged.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of gate inhibition's relay control system, it is characterised in that: including central controller U1,485 telecommunication circuits, multiple be used for
Detect the identical relay control output of that gate inhibition's relay is opened and closed and the identical detection circuit of circuit structure, multiple circuit structures
Circuit and power supply circuit；
The central controller U1 is communicated to connect by 485 telecommunication circuits and upper control machine, and the detection circuit and center are controlled
The control output end of device U1 connection processed, the central controller U1 is connect with relay control output circuit, the relay control
The output end of output circuit processed is connect with controlled relay, and the power supply circuit is used for central controller U1,485 communication electricity
Road, detection circuit and relay control output circuit power supply.
2. gate inhibition's relay control system according to claim 1, it is characterised in that: the central controller U1 is
PIC24FJ64GA106 chip；
485 telecommunication circuit includes resistance R1, chip U2, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, two-way
Transient diode TVS1, two-way transient diode TVS2, two-way transient diode TVS3 and interface J1；
The chip U2 is MAX3485EESA chip；
1 pin of the chip U2 is connect with 12 pins of central controller U1, and 2 pins and 3 pins of the chip U2 are in
The 11 pins connection of controller U1 is entreated, 4 pins of chip U2 are connect with 8 pins of central controller U1, and the 1 of the chip U2 is drawn
Foot connects 3.3V power supply by resistance R1, and 8 pins of chip U2 connect 3.3V power supply, and 7 pins of chip U2 and one end of resistance R2 connect
It connects, the other end of resistance R2 is connect with interface J1, and 6 pins of chip U2 are connect with one end of resistance R3, the other end of resistance R3
It is connect with interface J1, the points of common connection between the resistance R2 and interface J1 passes through between resistance R5 and resistance R3 and interface J1
Points of common connection connection, the points of common connection between resistance R2 and resistance R5 is grounded by resistance R4, resistance R3 and resistance R5
Between points of common connection be grounded by resistance R6, two-way transient diode TVS1 is in parallel with resistance R5, resistance R2 and interface J1
Between points of common connection be grounded by two-way transient diode TVS2, the points of common connection between resistance R3 and interface J1 passes through
Two-way transient diode TVS3 ground connection；Wherein 485 telecommunication circuits for connecting by interface J1 with upper control machine.
3. gate inhibition's relay control system according to claim 1, it is characterised in that: the relay controls output circuit and is
8 and respectively drive control 8 gate inhibition's relays；
The relay control output circuit includes the identical isolation input circuit of 8 circuit structures and Darlington transistor array
U5, the input terminal of 8 isolation input circuits respectively with 1 pin of central controller U1,2 pins, 3 pins, 60 pins, 61
Pin, 62 pins, 63 pins and the connection of 64 pins, the output ends of 8 isolation input circuits are defeated with Darlington transistor array U5's
Enter end connection, the output end of Darlington transistor array U5 is connect with the control terminal of 8 relays respectively, wherein Darlington transistor array
For ULN2803.
4. gate inhibition's relay control system according to claim 3, it is characterised in that: the isolation input circuit includes resistance
R15, optocoupler G1 and resistance R16；
One end of resistance R15 is connected to central controller U2 as the input terminal of isolation input circuit, the other end of resistance R15 with
The anode connection of the light emitting diode of optocoupler G1, the cathode ground connection of the light emitting diode of optocoupler G1, the phototriode of optocoupler G1
Collector connect 5V power supply, the emitter of phototriode as isolation input circuit output end and Darlington transistor array it is defeated
Enter end connection, the emitter of phototriode is grounded by resistance R16.
5. gate inhibition's relay control system according to claim 1, it is characterised in that: the detection circuit is 8 and 8 inspections
The circuit structure for surveying module is all the same；
The detection module includes interface J3, resistance R26, resistance R28, resistance R27, resistance R29, optocoupler G2 and optocoupler G3；
One end of resistance R26 is connect with interface J3, and the other end of resistance R26 is connect with the cathode of the light emitting diode of optocoupler G2,
The anode of the light emitting diode of optocoupler G2 connects 5V power supply, and the collector of the phototriode of optocoupler G2 is believed as door lock state
The output end of number LOCK is connect with central controller U1, the emitter ground connection of the phototriode of optocoupler G2, the current collection of optocoupler G2
Pole also passes through resistance R27 and connects 3.3V power supply；
One end of resistance R28 is connect with interface J3, and the other end of resistance R28 is connect with the cathode of the light emitting diode of optocoupler G3,
The anode of the light emitting diode of optocoupler G3 connects 5V power supply, and the collector of the phototriode of optocoupler G3 is believed as gate inhibition's open state
The output end of number KEY is connect with central controller U1, the emitter ground connection of the phototriode of optocoupler G3, the collector of optocoupler G3
3.3V power supply is also connect by resistance R29.
6. gate inhibition's relay control system according to claim 1, it is characterised in that: the power supply circuit includes the first power supply
Circuit and the second power supply circuit；The input of first power supply circuit terminates 12V DC power supply, and it is straight that the first power supply circuit exports 5V
Galvanic electricity；The input terminal of second power supply circuit is connect with the output end of the first power supply circuit, and the second power supply circuit exports 3.3V
Direct current；
Wherein the first power supply circuit uses LM2596-5V chip, and the second power supply circuit uses AMS1117-3.3V chip.
7. gate inhibition's relay control system according to claim 2, it is characterised in that: it further include expansion interface circuit, it is described
Expansion interface circuit is connect with central controller U1.
8. gate inhibition's relay control system according to claim 2, it is characterised in that: further include address setting circuit and address
Inquiry/setting circuit；
The address lookup/setting circuit includes resistance R30, button switch K 1；A termination 3.3V power supply of the resistance R30,
The other end of resistance R30 is grounded by button switch K 1, and the points of common connection between resistance R30 and button switch K 1 and center are controlled
58 pins of device U1 processed connect；
The address setting circuit includes resistance R31, button switch K 2；A termination 3.3V power supply of the resistance R31, resistance
The other end of R31 is grounded by button switch K 2, points of common connection and central controller between resistance R31 and button switch K 2
59 pins of U1 connect.
9. gate inhibition's relay control system according to claim 2, it is characterised in that: it further include display module, the display
Module includes chip U6, charactron DS1, triode Q1, triode Q2, resistance R37 and resistance R38；
The chip U6 is 74HC164, and the charactron DS1 is 2821AH charactron；
1 pin and 2 pins of the chip U6 is connect with 50 pins of central controller U1, and 8 pins of chip U6 and center are controlled
49 pins of device U1 processed connect, and the output pin of chip U6 is connect with the input pin of charactron DS1,6 pins of charactron DS1
It is connect with the collector of triode Q2, the emitter of triode Q2 ground connection, during the base stage of triode Q2 is connected to by resistance R38
Entreat the 46 pins connection of controller U1；
9 pins of charactron DS1 are connect with the collector of triode Q1, the emitter ground connection of triode Q1, the base of triode Q1
Pole is connected by 45 pins that resistance R37 is connected to central controller U1.
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| CN110568799A (en) * | 2019-09-29 | 2019-12-13 | 山东米科思机械设备有限公司 | Intelligent oiling circuit board of oil-free sealing stirrer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568799A (en) * | 2019-09-29 | 2019-12-13 | 山东米科思机械设备有限公司 | Intelligent oiling circuit board of oil-free sealing stirrer |
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