CN106354074B - A kind of two mode switch interlocking control circuit applied to aviation liquid cooling system - Google Patents

A kind of two mode switch interlocking control circuit applied to aviation liquid cooling system Download PDF

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Publication number
CN106354074B
CN106354074B CN201611055979.8A CN201611055979A CN106354074B CN 106354074 B CN106354074 B CN 106354074B CN 201611055979 A CN201611055979 A CN 201611055979A CN 106354074 B CN106354074 B CN 106354074B
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jzc
feet
relay
diode
relay jzc
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CN106354074A (en
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仝步升
秦余贞
刘义国
刘强
杨春强
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Tianjin Aviation Mechanical and Electrical Co Ltd
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Tianjin Aviation Mechanical and Electrical Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423Input/output
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/21Pc I-O input output
    • G05B2219/21014Interface, module with relays

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
  • Relay Circuits (AREA)

Abstract

The present invention is a kind of two mode switch interlocking control circuit applied to aviation liquid cooling system, this circuit includes that interlock circuit and switching circuit according to control logic intelligent control switch pass through interlock circuit, it avoids automatically and manually control to interact, eliminates the interference of personnel misoperation.The present invention is used for for the first time in aviation liquid cooling system, and required component is few, and circuit is simple, practical reliable, improves product stability, reliability and applicability.

Description

A kind of two mode switch interlocking control circuit applied to aviation liquid cooling system
Technical field
The present invention is a kind of two mode switch interlocking control circuit applied to aviation liquid cooling system, belongs to electrical technology neck Domain.
Background technique
At present in aviation liquid cooling system, in order to automatically and manually control system, avoid interacting under double mode, Product need to design two mode switch interlocking control circuit.
Product at the scene actual motion when, automatically and manually mode can interact, under MANUAL CONTROL mode, system starting Operation needs personnel to operate, and cannot achieve automatic starting, and be easy faulty operation;Under automatic control mode, vulnerable to manual behaviour It interferes, causes maloperation.
Summary of the invention
The present invention is a kind of two mode switch interlocking control circuit applied to aviation liquid cooling system, this circuit includes interlocking Circuit and switching circuit, by interlock circuit, it is mutual to avoid automatically and manually control according to control logic intelligent control switch It influences, eliminates the interference of personnel misoperation.The present invention is used for for the first time in aviation liquid cooling system, and required component is few, circuit letter It is single, it is practical reliable, improve product stability, reliability and applicability.
The purpose of the present invention is what is realized by following technical measures:
This kind is applied to the two mode switch interlocking control circuit of aviation liquid cooling system, including digital processing chip TMS320F2812, relay JZC-102ME-K1, relay JZC-102ME-K2, relay JZC-102ME-K3, relay JZC-102ME-K4, optocoupler (G) HRG3105M-1, diode V1, diode V2, diode V3, diode V4, diode V5, Diode V6, resistance R1, resistance R2 switch switch K1, start switch K2, valve K3;The mutual lock control of the two mode switch 4 feet of one end of the PA0 foot connecting resistance R2 of digital processing chip TMS320F2812 and optocoupler (G) HRG3105M-1 in circuit, number 1 foot of the PB0 foot contact relay JZC-102ME-K2 of word processing chip TMS 320 F 2812 and the anode and relay of diode V2 1 foot of device JZC-102ME-K3 and the anode of diode V3, the 2 of the PB1 foot contact relay JZC-102ME-K4 of TMS320F2812 The other end of the anode of foot and diode V4, resistance R2 is power supply+3.3V input, and 3 feet of optocoupler (G) HRG3105M-1 connect switching One end of switch K1 switches 1 foot of another relay termination JZC-102ME-K1 of switch K1 and the anode of diode V1, optocoupler (G) 2 feet of HRG3105M-1 connect the one end for starting switch K2, and another termination switching switch K1 and power supply 0V for starting switch K2 is defeated Enter, one end of the 1 foot connecting resistance R1 of optocoupler (G) HRG3105M-1, the 2 of another relay termination JZC-102ME-K1 of resistance R1 The cathode of foot and diode V1,1 foot of relay JZC-102ME-K1 meet the anode of diode V1, relay JZC-102ME-K1 2 feet meet cathode and the power supply+27V input of diode V1,4 feet of relay JZC-102ME-K1 and 7 foot contact relay JZC- 4 feet and power supply+27V of 102ME-K2 input, 3 feet of relay JZC-102ME-K1 and 6 foot contact relay JZC-102ME-K2 7 feet, 2 feet and 5 feet of 5 feet of relay JZC-102ME-K1 and 8 foot contact relay JZC-102ME-K2, relay JZC- 1 foot of 102ME-K2 connects the anode of diode V2, and 2 feet of relay JZC-102ME-K2 connect the cathode of diode V2, relay 5 feet and 8 feet of 2 feet of JZC-102ME-K2 and 5 foot contact relay JZC-102ME-K3,1 foot of relay JZC-102ME-K3 The anode of diode V3 is connect, 2 feet of relay JZC-102ME-K3 connect cathode and the power supply+27V input of diode V3, relay 4 feet and 7 feet of JZC-102ME-K3 connect 4 feet and 7 feet of contact relay JZC-102ME-K4, and the 1 of relay JZC-102ME-K4 Foot connects the cathode of diode V4 and power supply+27V input, 2 feet of relay JZC-102ME-K4 connect the anode of diode V4, relay 5 feet of device JZC-102ME-K4 connect the anode of diode V5, and 3 feet of relay JZC-102ME-K4 connect the anode of diode V6, The cathode of diode V5 takes over a job the open position of door switch K3 and valve opens output, and the cathode of diode V6 takes over a job door switch K3's Close stance and valve close output, 6 feet of the public relay termination JZC-102ME-K2 of valve K3.
Foregoing circuit working principle is:Digital processing chip TMS320F2812 be used to realize low and high level input and output, after Electric appliance JZC-102ME-K1, relay JZC-102ME-K2, relay JZC-102ME-K3, relay JZC-102ME-K4 are used to Gate control signal living is exported, optocoupler (G) HRG3105M-1, resistance R1, resistance R2 are used to input to start switch level signal, two poles Pipe V1, diode V2, diode V3, diode V4 be used to for relay JZC-102ME-K1, relay JZC-102ME-K2, after Electric appliance JZC-102ME-K3, relay JZC-102ME-K4 afterflow, diode V5, diode V6 are used to prevent opposite direction voltage Switching switch K1, input starts switch K2, valve K3 for realizing that switch control signal inputs.
When switching switch K1 disconnection, circuit works in a manual mode, and relay JZC-102ME-K1 connects normally closed touching Point, relay JZC-102ME-K2 connect normally-closed contact, and power supply+27V input is connect with the common end valve K3;Staff Realize that valve is opened, shutdown signal exports by operation valve K3.Even if staff's maloperation starts switch K2, also not Relay JZC-102ME-K1, relay JZC-102ME-K2 on-state can be changed, can avoid maloperation interference.
When switching switch K1 closure, circuit works in automatic mode, and relay JZC-102ME-K1 connects normally opened touching Point starts switch K2 and exports low useful signal and give optocoupler (G) HRG3105M-1, optocoupler (G) when starting switch K2 closure HRG3105M-1 exports low useful signal and gives digital processing chip TMS320F2812, digital processing chip TMS320F2812 output Low effective control signal is to relay JZC-102ME-K2, relay JZC-102ME-K3, relay JZC-102ME-K2, relay Device JZC-102ME-K3 connects normally opened contact, and power supply+27V input is connect with 4,7 feet of relay JZC-102ME-K4;At number Chip TMS 320 F 2812 is managed according to system logic, automatic control relay JZC-102ME-K4 connects normally-closed contact or normally opened touching Point realizes that valve is opened, shutdown signal exports.
When switching switch K1 closure, circuit works in automatic mode, after starting switch K2 closure, relay JZC- 102ME-K2, which connects normally opened contact, will not change relay even if staff's maloperation starts switch K2, valve K3 The on-state of JZC-102ME-K2, power supply+27V input is remained to be connect with 4,7 feet of relay JZC-102ME-K4, can Maloperation is avoided to interfere.
Detailed description of the invention
Fig. 1 is the schematic diagram of circuit of the present invention
Specific embodiment
Technical solution of the present invention is further described in conjunction with the accompanying drawings and embodiments with knit stitch:
Referring to figure 1, a kind of two mode switch interlocking control circuit applied to aviation liquid cooling system, including number Handle chip TMS 320 F 2812, relay JZC-102ME-K1, relay JZC-102ME-K2, relay JZC-102ME-K3, Relay JZC-102ME-K4, optocoupler (G) HRG3105M-1, diode V1, diode V2, diode V3, diode V4, two poles Pipe V5, diode V6, resistance R1, resistance R2 switch switch K1, start switch K2, valve K3, it is characterised in that:This pair One end of the PA0 foot connecting resistance R2 of digital processing chip TMS320F2812 and optocoupler (G) in mode switch interlocking control circuit 4 feet of HRG3105M-1,1 foot of the PB0 foot contact relay JZC-102ME-K2 of digital processing chip TMS320F2812 and two poles The PB1 foot of the anode of the anode of pipe V2 and 1 foot of relay JZC-102ME-K3 and diode V3, TMS320F2812 is succeeded 2 feet of electric appliance JZC-102ME-K4 and the anode of diode V4, the other end of resistance R2 are power supply+3.3V input, optocoupler (G) 3 feet of HRG3105M-1 connect one end of switching switch K1, switch 1 foot of another relay termination JZC-102ME-K1 of switch K1 The one end for starting switch K2 is connect with 2 feet of the anode of diode V1, optocoupler (G) HRG3105M-1, starts switch the other end of K2 Connect switching switch K1 and power supply 0V input, one end of the 1 foot connecting resistance R1 of optocoupler (G) HRG3105M-1, the other end of resistance R1 2 feet of contact relay JZC-102ME-K1 and the cathode of diode V1,1 foot of relay JZC-102ME-K1 connect diode V1's Anode, 2 feet of relay JZC-102ME-K1 meet cathode and the power supply+27V input of diode V1, relay JZC-102ME-K1 4 feet and 7 foot contact relay JZC-102ME-K2 4 feet and power supply+27V input, 3 feet of relay JZC-102ME-K1 and 6 7 feet of foot contact relay JZC-102ME-K2,5 feet of relay JZC-102ME-K1 and 8 foot contact relay JZC-102ME-K2 2 feet and 5 feet, 1 foot of relay JZC-102ME-K2 connects the anode of diode V2, and 2 feet of relay JZC-102ME-K2 connect The cathode of diode V2,5 feet and 8 feet of 2 feet of relay JZC-102ME-K2 and 5 foot contact relay JZC-102ME-K3, after 1 foot of electric appliance JZC-102ME-K3 connects the anode of diode V3, and 2 feet of relay JZC-102ME-K3 connect the cathode of diode V3 It being inputted with power supply+27V, 4 feet and 7 feet of relay JZC-102ME-K3 connect 4 feet and 7 feet of contact relay JZC-102ME-K4, 1 foot of relay JZC-102ME-K4 connects cathode and the power supply+27V input of diode V4,2 feet of relay JZC-102ME-K4 The anode of diode V4 is connect, 5 feet of relay JZC-102ME-K4 connect the anode of diode V5, relay JZC-102ME-K4's 3 feet connect the anode of diode V6, and the cathode of diode V5 takes over a job the open position of door switch K3 and valve opens output, diode V6 Cathode take over a job door switch K3 close stance and valve close output, the public relay termination JZC-102ME- of valve K3 6 feet of K2.
Referring to figure 1, a kind of two mode switch interlocking control circuit working principle applied to aviation liquid cooling system For:Digital processing chip TMS320F2812 is used to realize low and high level input and output, relay JZC-102ME-K1, relay JZC-102ME-K2, relay JZC-102ME-K3, relay JZC-102ME-K4 are used to export gate control signal living, optocoupler (G) HRG3105M-1, resistance R1, resistance R2 are used to input to start switch level signal, diode V1, diode V2, diode V3, diode V4 be used to for relay JZC-102ME-K1, relay JZC-102ME-K2, relay JZC-102ME-K3, after Electric appliance JZC-102ME-K4 afterflow, diode V5, diode V6 are used to switching switch K1, open to prevent opposite direction voltage input Dynamic switch K2, valve K3 are used to realize that switch control signal inputs.
When switching switch K1 disconnection, circuit works in a manual mode, and relay JZC-102ME-K1 connects normally closed touching Point, relay JZC-102ME-K2 connect normally-closed contact, and power supply+27V input is connect with the common end valve K3;Staff Realize that valve is opened, shutdown signal exports by operation valve K3.Even if staff's maloperation starts switch K2, also not Relay JZC-102ME-K1, relay JZC-102ME-K2 on-state can be changed, can avoid maloperation interference.
When switching switch K1 closure, circuit works in automatic mode, and relay JZC-102ME-K1 connects normally opened touching Point starts switch K2 and exports low useful signal and give optocoupler (G) HRG3105M-1, optocoupler (G) when starting switch K2 closure HRG3105M-1 exports low useful signal and gives digital processing chip TMS320F2812, digital processing chip TMS320F2812 output Low effective control signal is to relay JZC-102ME-K2, relay JZC-102ME-K3, relay JZC-102ME-K2, relay Device JZC-102ME-K3 connects normally opened contact, and power supply+27V input is connect with 4,7 feet of relay JZC-102ME-K4;At number Chip TMS 320 F 2812 is managed according to system logic, automatic control relay JZC-102ME-K4 connects normally-closed contact or normally opened touching Point realizes that valve is opened, shutdown signal exports.
When switching switch K1 closure, circuit works in automatic mode, after starting switch K2 closure, relay JZC- 102ME-K2, which connects normally opened contact, will not change relay even if staff's maloperation starts switch K2, valve K3 The on-state of JZC-102ME-K2, power supply+27V input is remained to be connect with 4,7 feet of relay JZC-102ME-K4, can Maloperation is avoided to interfere.

Claims (1)

1. a kind of two mode switch interlocking control circuit applied to aviation liquid cooling system, including digital processing chip TMS320F2812, relay JZC-102ME-K1, relay JZC-102ME-K2, relay JZC-102ME-K3, relay JZC-102ME-K4, optocoupler (G) HRG3105M-1, diode V1, diode V2, diode V3, diode V4, diode V5, Diode V6, resistance R1, resistance R2 switch switch K1, start switch K2, valve K3;It is characterized in that:The double mode is opened Close one end of the PA0 foot connecting resistance R2 of digital processing chip TMS320F2812 and optocoupler (G) in interlocking control circuit 4 feet of HRG3105M-1,1 foot of the PB0 foot contact relay JZC-102ME-K2 of digital processing chip TMS320F2812 and two poles The PB1 foot of the anode of the anode of pipe V2 and 1 foot of relay JZC-102ME-K3 and diode V3, TMS320F2812 is succeeded 2 feet of electric appliance JZC-102ME-K4 and the anode of diode V4, the other end of resistance R2 are power supply+3.3V input, optocoupler (G) 3 feet of HRG3105M-1 connect one end of switching switch K1, switch 1 foot of another relay termination JZC-102ME-K1 of switch K1 The one end for starting switch K2 is connect with 2 feet of the anode of diode V1, optocoupler (G) HRG3105M-1, starts switch the other end of K2 Connect switching switch K1 and power supply 0V input, one end of the 1 foot connecting resistance R1 of optocoupler (G) HRG3105M-1, the other end of resistance R1 2 feet of contact relay JZC-102ME-K1 and the cathode of diode V1,1 foot of relay JZC-102ME-K1 connect diode V1's Anode, 2 feet of relay JZC-102ME-K1 meet cathode and the power supply+27V input of diode V1, relay JZC-102ME-K1 4 feet and 7 feet, relay JZC-102ME-K2 4 feet be connected to power supply+27V input, 3 feet of relay JZC-102ME-K1 With 7 feet of 6 foot contact relay JZC-102ME-K2,5 feet of relay JZC-102ME-K1 and 8 foot contact relay JZC-102ME- 2 feet and 5 feet of K2,1 foot of relay JZC-102ME-K2 connect the anode of diode V2,2 feet of relay JZC-102ME-K2 Connect the cathode of diode V2,5 feet and 8 feet of 2 feet of relay JZC-102ME-K2 and 5 foot contact relay JZC-102ME-K3, 1 foot of relay JZC-102ME-K3 connects the anode of diode V3, and 2 feet of relay JZC-102ME-K3 connect the negative of diode V3 Pole and power supply+27V input, 4 feet and 7 feet of relay JZC-102ME-K3 connect 4 feet and 7 of contact relay JZC-102ME-K4 Foot, 1 foot of relay JZC-102ME-K4 connect cathode and the power supply+27V input of diode V4, relay JZC-102ME-K4's 2 feet connect the anode of diode V4, and 5 feet of relay JZC-102ME-K4 meet the anode of diode V5, relay JZC-102ME- 3 feet of K4 connect the anode of diode V6, and the cathode of diode V5 takes over a job the open position of door switch K3 and valve opens output, two poles The cathode of pipe V6 take over a job door switch K3 close stance and valve close output, the public relay termination JZC- of valve K3 6 feet of 102ME-K2;
When switching switch K1 disconnection, circuit works in a manual mode, and relay JZC-102ME-K1 connects normally-closed contact, after Electric appliance JZC-102ME-K2 connects normally-closed contact, and power supply+27V input is connect with the common end valve K3;Staff passes through It operates valve K3 and realizes that valve is opened, shutdown signal exports, even if staff's maloperation starts switch K2, will not change Become relay JZC-102ME-K1, relay JZC-102ME-K2 on-state, can avoid maloperation interference;
When switching switch K1 closure, circuit works in automatic mode, and relay JZC-102ME-K1 connects normally opened contact, when When starting switch K2 closure, starts switch K2 and export low useful signal and give optocoupler (G) HRG3105M-1, optocoupler (G) HRG3105M- 1, which exports low useful signal, gives digital processing chip TMS320F2812, digital processing chip TMS320F2812 to export low effective control Signal processed is to relay JZC-102ME-K2, relay JZC-102ME-K3, relay JZC-102ME-K2, relay JZC- 102ME-K3 connects normally opened contact, and power supply+27V input is connect with 4,7 feet of relay JZC-102ME-K4;Digital processing chip TMS320F2812 connects normally-closed contact or normally opened contact according to system logic, automatic control relay JZC-102ME-K4, realizes Valve is opened, shutdown signal exports.
CN201611055979.8A 2016-11-22 2016-11-22 A kind of two mode switch interlocking control circuit applied to aviation liquid cooling system Active CN106354074B (en)

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CN115432605A (en) * 2021-06-04 2022-12-06 中联重科股份有限公司 Interlocking control circuit and double-tower crane
CN113320703A (en) * 2021-06-15 2021-08-31 天津津航计算技术研究所 Control circuit applied to airborne electric valve

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