CN104466883A - Relay protection outlet lockout circuit - Google Patents
Relay protection outlet lockout circuit Download PDFInfo
- Publication number
- CN104466883A CN104466883A CN201410855722.5A CN201410855722A CN104466883A CN 104466883 A CN104466883 A CN 104466883A CN 201410855722 A CN201410855722 A CN 201410855722A CN 104466883 A CN104466883 A CN 104466883A
- Authority
- CN
- China
- Prior art keywords
- relay
- outlet
- outlet power
- pin
- power relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides a relay protection outlet lockout circuit which comprises a master controller, a lockout controller, a first outlet power supply relay, a second outlet power supply relay and an outlet relay. The master controller is connected with the lockout controller and the first side of the control end of the first outlet power supply relay. The second side of the control end of the first outlet power supply relay is connected with a power supply of the outlet relay. The first node of the first outlet power supply relay is connected with the power supply of the outlet relay. The second node of the first outlet power supply relay is connected with the node of the second outlet power supply relay. The control end of the second outlet power supply relay is connected with the lockout controller and a system power supply of the lockout controller. The node of the second outlet power supply relay is connected with the first side of the control end of the outlet relay. The second side of the control end of the outlet relay is connected with the master controller. The probability that the master controller controls the outlet relay to output error signals is lowered, and the electrical power system stability is improved.
Description
Technical field
The application relates to relay protection circuit hardware designs field, particularly a kind of relay protection outlet exclusive circuit.
Background technology
Along with the develop rapidly of national economy, all trades and professions are more and more stronger, thus also more and more higher to the requirement of stability of power system to the dependence of electric power.
But along with the development of power technology, control circuit in electric power system becomes increasingly complex, controller in control circuit is more and more responsive, more and more easily be subject to external interference, make controller because being vulnerable to disturb and the control command of output error, the signal of the exit relay output error causing controller to control and cause damage to external equipment or circuit, have impact on the stability of electric power system.
Therefore, avoid the controller in electric power system in control circuit export control command by mistake and make exit relay output error signal be the problem needing solution at present badly as far as possible.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of relay protection outlet exclusive circuit, and to reach the probability reducing main controller controls exit relay output error signal, improve the object of the stability of electric power system, technical scheme is as follows:
A kind of relay protection outlet exclusive circuit, comprises master controller, locking controller, the first outlet power relay, the second outlet power relay and exit relay;
Described master controller is connected with control end first side of described locking controller with described first outlet power relay respectively;
Control end second side of described first outlet power relay is connected with exit relay power supply, the first node of described first outlet power relay is connected with described exit relay power supply, and the Section Point of described first outlet power relay is connected with the node of described second outlet power relay;
The control end of described second outlet power relay is connected with the system power supply of described locking controller with described locking controller respectively, and the node of described second outlet power relay is connected with control end first side of described exit relay;
Control end second side of described exit relay is connected with described master controller;
Described master controller, when judging that described master controller said system normally runs and described locking controller is working properly, controls described first outlet power relay conducting; Described locking controller, when judging that described master controller said system normally runs and described master controller is working properly, controls described second outlet power relay conducting; In described first outlet power relay conducting and described second outlet power relay conducting time, described in described main controller controls, exit relay carries out the output of corresponding signal.
Preferably, also comprise: first control circuit, second control circuit and the 3rd control circuit;
The first input end of described first control circuit is connected with described master controller, second input of described first control circuit is connected with the system power supply of described master controller, first output of described first control circuit is connected with control end first side of described first outlet power relay, the second output head grounding of described first control circuit;
Described second control circuit is connected with described second outlet power relay;
The first input end of described 3rd control circuit is connected with described master controller, second input of described 3rd control circuit is connected with the system power supply of described master controller, first output head grounding of described 3rd control circuit, the second output of described 3rd control circuit is connected with control end second side of described exit relay.
Preferably, described first outlet power relay is electromagnetic relay, and described second outlet power relay is optical relay, and described exit relay is electromagnetic relay.
Preferably, described first control circuit comprises: the first resistance and the first optocoupler;
The first end of described first resistance, as the first input end of described first control circuit, is connected with described master controller, and the second end of described first resistance is connected with the second pin of the light-emitting component of described first optocoupler;
First pin of the light-emitting component of described first optocoupler is connected with the system power supply of described master controller, first pin ground connection of the photo detector of described first optocoupler, the second pin of the photo detector of described first optocoupler is connected with the coil negative terminal of described first outlet power relay;
The coil negative terminal of described first outlet power relay is as control end first side of described first outlet power relay, the coil anode of described first outlet power relay is as control end second side of described first outlet power relay, and the first node of described first outlet power relay comprises the first input pin and the second input pin;
Described second control circuit comprises: the second resistance and the 3rd resistance;
The first end of described second resistance is connected with the first pin of the first light-emitting component of described second outlet power relay, second end of described second resistance is connected with the system power supply of described locking controller, and the second pin of the first light-emitting component of described second outlet power relay is connected with described locking controller;
The first end of described 3rd resistance is connected with the first pin of the second light-emitting component of described second outlet power relay, second end of described 3rd resistance is connected with the system power supply of described locking controller, and the second pin of the second light-emitting component of described second outlet power relay is connected with described locking controller;
First pin of the second light-emitting component of the first pin of the first light-emitting component of described second outlet power relay and the second pin and described second outlet power relay and the second pin are as the control end of described second outlet power relay, first output pin included by Section Point of described first outlet power relay and the common port of the second output pin, be connected with the first pin of the second photo detector of described second outlet power relay with the first pin of the first photo detector of described second outlet power relay respectively;
Described 3rd control circuit comprises: the 4th resistance and the second optocoupler;
The first end of described 4th resistance is connected with described master controller, second end of described 4th resistance is connected with the second pin of the light-emitting component of described second optocoupler, first pin of the light-emitting component of described second optocoupler is connected with the system power supply of described master controller, first pin ground connection of the photo detector of described second optocoupler, the second pin of the photo detector of described second optocoupler is connected with the coil negative terminal of described exit relay;
The coil negative terminal of described exit relay is as control end second side of described exit relay, the coil anode of described exit relay is as control end first side of described exit relay, and the coil anode of described exit relay is connected with the second pin of the second photo detector of described second outlet power relay with the second pin of the first photo detector of described second outlet power relay respectively.
Preferably, also comprise: diode and the 5th resistance;
The first end of described diode is connected with the coil negative terminal of described first outlet power relay, second end of described diode is connected with the first end of described 5th resistance, and the second end of described 5th resistance is connected with the coil anode of described first outlet power relay.
Preferably, described master controller is specially: the central processor CPU comprising digital signal processor DSP and ARM.
Preferably, the CPU comprising DSP and ARM described in is specially OMAPL138 chip.
Preferably, described locking controller is specially: Cortex-M3 single-chip microcomputer.
Preferably, described Cortex-M3 single-chip microcomputer is specially: the Cortex-M3 single-chip microcomputer of LPC17XX series.
Preferably, described first optocoupler is specially the optocoupler of TLP785 model;
Described second optocoupler is specially the optocoupler of TLP785 model;
Described first outlet power relay is specially: Panasonic DSP1-DC24V relay;
Described second outlet power relay is specially: AQW21x chip.
Compared with prior art, the beneficial effect of the application is:
In this application, because master controller is when judging that described master controller said system normally runs and described locking controller is working properly, described first outlet power relay conducting is controlled; Described locking controller is when judging that described master controller said system normally runs and described master controller is working properly, control described second outlet power relay conducting, if therefore master controller occurs abnormal, locking controller then can not control the second outlet power relay conducting, in the first outlet power relay and the second outlet power relay during any one not conducting, exit relay can not with exit relay power turn-on.
Due in described first outlet power relay conducting and described second outlet power relay conducting time, master controller just can control the output that described exit relay carries out corresponding signal, and when master controller occurs abnormal, exit relay can not with exit relay power turn-on, even if therefore master controller sends the control command of mistake, exit relay also can not action, prevent master controller by the signal of exit relay output error to external equipment, reduce the probability of main controller controls exit relay output error signal, improve the stability of electric power system.
And, whether master controller also carries out normal work to locking controller judges, when judging that locking controller is working properly and master controller said system normally runs, just can control the first outlet power relay conducting, avoid locking controller operation irregularity cannot detect master controller whether normally work time, the master controller occurred occurs abnormal and the situation of the control command of output error occurs, prevent master controller further by the signal of exit relay output error to external equipment, reduce the probability of main controller controls exit relay output error signal, improve the stability of electric power system.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of hardware implementation schematic diagram of the relay protection outlet exclusive circuit that the application provides;
Fig. 2 is the another kind of hardware implementation schematic diagram of the relay protection outlet exclusive circuit that the application provides;
Fig. 3 is a kind of particular hardware schematic diagram of the relay protection outlet exclusive circuit that the application provides;
Fig. 4 is the another kind of particular hardware schematic diagram of the relay protection outlet exclusive circuit that the application provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
Refer to Fig. 1; it illustrates the hardware implementation schematic diagram of the relay protection outlet exclusive circuit that the application provides, relay protection outlet exclusive circuit comprises: master controller U1, locking controller U2, the first outlet power relay U3, the second outlet power relay U4 and exit relay CJ1.
In the present embodiment, described master controller U1 is connected with control end first side of described first outlet power relay U3 with described locking controller U2 respectively.
Control end second side of described first outlet power relay U3 is connected with exit relay power supply, the first node of described first outlet power relay U3 is connected with exit relay power supply VCC, and the Section Point of described first outlet power relay U3 is connected with the node of described second outlet power relay U4.
The control end of described second outlet power relay U4 is connected with the system power supply VDD1 of described locking controller with described locking controller U2 respectively, and the described node of the second outlet power relay U4 is connected with control end first side of described exit relay CJ1.
Control end second side of described exit relay CJ1 is connected with described master controller U1.
Described master controller U1, when judging that described master controller U1 said system normally runs and described locking controller U2 is working properly, controls described first outlet power relay U3 conducting; Described locking controller U2, when judging that described master controller U1 said system normally runs and described master controller U1 is working properly, controls described second outlet power relay U4 conducting; In described first outlet power relay U3 conducting and described second outlet power relay U4 conducting time, described master controller U1 controls the output that described exit relay CJ1 carries out corresponding signal.
In the present embodiment; master controller U1 and locking controller U2 all can gather the information of relevant master controller U1 said system; level power supply as each in system, protection of ac, important input and output signal etc.; master controller U1 and locking controller U2, when collecting the information of relevant master controller U1 said system respectively, can run respective logic to judge whether master controller U1 said system exception occurs.And carry out real time communication between master controller U1 and locking controller U2, can real-time judge the other side whether normally work.
Real time communication is carried out between master controller U1 and locking controller U2, the whether normal process of real-time judge the other side work is specifically as follows: if a square controller goes wrong, communication between the two can be interrupted or abnormal, whether interrupted by the communication judging between the two or abnormal judge square controller whether working properly.
Embodiment two
In the present embodiment; the basis of the relay protection outlet exclusive circuit shown in embodiment one expands another relay protection outlet exclusive circuit; refer to Fig. 2; it illustrates the another kind of hardware implementation schematic diagram of the relay protection outlet exclusive circuit that the application provides, the basis of the relay protection outlet exclusive circuit shown in embodiment one also comprises: first control circuit 11, second control circuit 12 and the 3rd control circuit 13.
The first input end of described first control circuit 11 is connected with described master controller U1, second input of described first control circuit 11 is connected with the system power supply VDD2 of described master controller, first output of described first control circuit 11 is connected with control end first side of described first outlet power relay U3, the second output head grounding of described first control circuit 11.
Described second control circuit 12 is connected with described second outlet power relay U4.
The first input end of described 3rd control circuit 13 is connected with described master controller U1, second input of described 3rd control circuit 13 is connected with the system power supply VDD2 of described master controller, first output head grounding of described 3rd control circuit 13, the second output of described 3rd control circuit 13 is connected with control end second side of described exit relay CJ1.
In the present embodiment, the first outlet power relay U3 can but be not limited to electromagnetic relay; Second outlet power relay U4 can but be not limited to optical relay; Exit relay CJ1 can but be not limited to electromagnetic relay.
In embodiment two; be electromagnetic relay at described first outlet power relay; described second outlet power relay is optical relay; when described exit relay is electromagnetic relay; the particular hardware schematic diagram of relay protection outlet exclusive circuit refers to Fig. 3, and the particular hardware of relay protection outlet exclusive circuit is implemented as follows:
Described first control circuit 11 comprises: the first resistance R1 and the first optocoupler OP1.
The first end of described first resistance R1, as the first input end of described first control circuit 11, is connected with described master controller U1, and second end of described first resistance R1 is connected with the second pin two of the light-emitting component of described first optocoupler OP1.
First pin one of the light-emitting component of described first optocoupler OP1 is connected with the system power supply VDD2 of described master controller, first pin 3 ground connection of the photo detector of described first optocoupler OP1, the second pin 4 of the photo detector of described first optocoupler OP1 is connected with the coil negative terminal 16 of described first outlet power relay U3.
First pin 3 of the photo detector of described first optocoupler OP1 is as the second output of described first control circuit 11, and the second pin 4 of the photo detector of described first optocoupler OP1 is as the first output of described first control circuit 11.
The coil negative terminal 16 of described first outlet power relay U3 is as control end first side of described first outlet power relay U3, the coil anode 1 of described first outlet power relay U3 is as control end second side of described first outlet power relay U3, and the first node of described first outlet power relay U3 comprises the first input pin 8 and the second input pin 9.
First input pin 8 of the first node of the first outlet power relay U3 is all connected with exit relay power supply VCC with the second input pin 9, and the coil anode 1 of the first outlet power relay U3 is also connected with exit relay power supply VCC.
Described second control circuit 12 comprises: the second resistance R2 and the 3rd resistance R3.
The first end of described second resistance R2 is connected with the first pin one of first light-emitting component of described second outlet power relay U4, second end of described second resistance R2 is connected with the system power supply VDD1 of described locking controller, and the second pin two of first light-emitting component of described second outlet power relay U4 is connected with described locking controller U2.
The first end of described 3rd resistance R3 is connected with the first pin 3 of second light-emitting component of described second outlet power relay U4, second end of described 3rd resistance R3 is connected with the system power supply VDD1 of described locking controller, and the second pin 4 of second light-emitting component of described second outlet power relay U4 is connected with described locking controller U2.
First pin 3 of second light-emitting component of the first pin one of first light-emitting component of described second outlet power relay U4 and the second pin two and described second outlet power relay U4 and the second pin 4 are as the control end of described second outlet power relay U4, and first output pin 5 included by Section Point of described first outlet power relay U3 and the common port of the second output pin 12 are connected with the first pin 6 of second photo detector of described second outlet power relay U4 with the first pin 8 of first photo detector of described second outlet power relay U4 respectively.
Described 3rd control circuit 13 comprises: the 4th resistance R4 and the second optocoupler OP2.
The first end of described 4th resistance R4 is connected with described master controller U1, second end of described 4th resistance R4 is connected with the second pin two of the light-emitting component of described second optocoupler OP2, first pin one of the light-emitting component of described second optocoupler OP2 is connected with the system power supply VDD2 of described master controller, first pin 3 ground connection of the photo detector of described second optocoupler OP2, the second pin 4 of the photo detector of described second optocoupler OP2 is connected with the coil negative terminal 16 of described exit relay CJ1.
First pin 3 of the photo detector of described second optocoupler OP2 is as the first output of described 3rd control circuit 13, and the second pin 4 of the photo detector of described second optocoupler OP2 is as the second output of described 3rd control circuit 13.
The coil negative terminal 16 of described exit relay CJ1 is as control end second side of described exit relay CJ1, the coil anode 1 of described exit relay CJ1 is as control end first side of described exit relay CJ1, and the coil anode 1 of described exit relay CJ1 is connected with the second pin 5 of second photo detector of described second outlet power relay U4 with the second pin 7 of first photo detector of described second outlet power relay U4 respectively.
When the equal conducting of the first outlet power relay U3 and the second outlet power relay U4, exit relay power supply VCC is supplied to exit relay CJ1, as the working power of exit relay CJ1 by the second pin 5 of the second pin 7 of first photo detector of the second outlet power relay U4 and second photo detector of described second outlet power relay U4.
In the relay protection outlet exclusive circuit shown in Fig. 3, locking controller U2 is when judging that described master controller U1 said system normally runs and described master controller U1 is working properly, output low level, because the first pin one of first light-emitting component of the second outlet power relay U4 is by the second resistance R2 pull-up, first pin 3 of second light-emitting component of the second outlet power relay U4 is by the 3rd resistance R3 pull-up, therefore the second outlet power relay U4 input circuit is started working, first pin 6 and the second pin 5 conducting of the first pin 8 of the first photo detector and the second pin 7 and the second photo detector.Locking controller U2 is when judging described master controller U1 said system abnormal running or described master controller U1 inoperative is normal, export high level, second outlet power relay U4 input circuit quits work, first pin 6 and second pin 5 of the first pin 8 of the first photo detector and the second pin 7 and the second photo detector disconnect, and cut off the working power of exit relay CJ1 coil.
When master controller U1 is when judging that described master controller U1 said system normally runs and described locking controller U2 is working properly, master controller U1 output low level, the input circuit conducting of the first optocoupler OP1, first pin 3 of the photo detector of the first optocoupler OP1 and the second pin 4 are connected, now the coil of the first outlet power relay U3 device connects to alive and flows through, first outlet power relay U3 action, first pin 6 conducting of the first pin 8 of first photo detector of exit relay power supply VCC and the second outlet power relay U4 and second photo detector of described second outlet power relay U4, when the second outlet power relay U4 conducting, exit relay CJ1 and exit relay power supply VCC conducting, when master controller U1 is when judging described master controller U1 said system abnormal running or described locking controller U2 inoperative is normal, master controller U1 exports high level, the input circuit cut-off of the first optocoupler OP1, between first pin 3 of the photo detector of the first optocoupler OP1 and the second pin 4, resistance becomes infinity, the coil current of the first outlet power relay U3 device is 0, and exit relay power supply VCC and exit relay CJ1 disconnects.
As shown in Figure 3, the pin 5 of the pin 8 of the first node of exit relay CJ1 and pin 9 and Section Point and pin one 2 realize exporting and namely output signal to outside.
On the basis of the relay protection outlet exclusive circuit shown in Fig. 3, can also comprise: diode D1 and the 5th resistance R5, as shown in Figure 4.
The first end of described diode D1 is connected with the coil negative terminal 16 of described first outlet power relay U3, second end of described diode D1 is connected with the first end of described 5th resistance R5, and second end of described 5th resistance R5 is connected with the coil anode 1 of described first outlet power relay U3.
In this application, the effect of the 5th resistance R5 is current limliting, burns out when preventing the coil of the first outlet power relay U3 to be connected on separately between exit relay power supply VCC and ground.The effect of diode D1 is: when after the first outlet power relay U3 coil blackout, because coil is inductance, an inverse electromotive force can be produced, if there is no diode D1, inverse electromotive force can damage the first optocoupler OP1 be connected with coil, after increasing diode D1, reverse current flows through diode and flows back to coil again, prevents from damaging the first optocoupler OP1 be connected with coil.
In embodiment one and embodiment two, master controller U1 is specially: comprise DSP (digitalsignal processing, digital signal processor) and the CPU (Central Processing Unit, central processing unit) of ARM (Advanced RISC Machines).
Certainly, the CPU comprising DSP and ARM specifically can but be not limited to OMAPL138 chip
In embodiment one and embodiment two, described locking controller U2 is specially: Cortex-M3 single-chip microcomputer.
Certainly, described Cortex-M3 single-chip microcomputer specifically can but be not limited to: the Cortex-M3 single-chip microcomputer of LPC17XX series.
In embodiment one and embodiment two, described first optocoupler OP1 is specially the optocoupler of TLP785 model;
Described second optocoupler OP2 is specially the optocoupler of TLP785 model;
Described first outlet power relay U3 is specially: Panasonic DSP1-DC24V relay;
Described second outlet power relay U4 is specially: AQW21x chip.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
For convenience of description, various unit is divided into describe respectively with function when describing above device.Certainly, the function of each unit can be realized in same or multiple software and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the application can add required general hardware platform by software and realizes.Based on such understanding, the technical scheme of the application can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the application or embodiment.
Above a kind of relay protection outlet exclusive circuit that the application provides is described in detail, apply specific case herein to set forth the principle of the application and execution mode, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (10)
1. a relay protection outlet exclusive circuit, is characterized in that, comprises master controller, locking controller, the first outlet power relay, the second outlet power relay and exit relay;
Described master controller is connected with control end first side of described locking controller with described first outlet power relay respectively;
Control end second side of described first outlet power relay is connected with exit relay power supply, the first node of described first outlet power relay is connected with described exit relay power supply, and the Section Point of described first outlet power relay is connected with the node of described second outlet power relay;
The control end of described second outlet power relay is connected with the system power supply of described locking controller with described locking controller respectively, and the node of described second outlet power relay is connected with control end first side of described exit relay;
Control end second side of described exit relay is connected with described master controller;
Described master controller, when judging that described master controller said system normally runs and described locking controller is working properly, controls described first outlet power relay conducting; Described locking controller, when judging that described master controller said system normally runs and described master controller is working properly, controls described second outlet power relay conducting; In described first outlet power relay conducting and described second outlet power relay conducting time, described in described main controller controls, exit relay carries out the output of corresponding signal.
2. relay protection outlet exclusive circuit according to claim 1, is characterized in that, also comprise: first control circuit, second control circuit and the 3rd control circuit;
The first input end of described first control circuit is connected with described master controller, second input of described first control circuit is connected with the system power supply of described master controller, first output of described first control circuit is connected with control end first side of described first outlet power relay, the second output head grounding of described first control circuit;
Described second control circuit is connected with described second outlet power relay;
The first input end of described 3rd control circuit is connected with described master controller, second input of described 3rd control circuit is connected with the system power supply of described master controller, first output head grounding of described 3rd control circuit, the second output of described 3rd control circuit is connected with control end second side of described exit relay.
3. relay protection outlet exclusive circuit according to claim 2, is characterized in that, described first outlet power relay is electromagnetic relay, and described second outlet power relay is optical relay, and described exit relay is electromagnetic relay.
4. relay protection outlet exclusive circuit according to claim 3, is characterized in that, described first control circuit comprises: the first resistance and the first optocoupler;
The first end of described first resistance, as the first input end of described first control circuit, is connected with described master controller, and the second end of described first resistance is connected with the second pin of the light-emitting component of described first optocoupler;
First pin of the light-emitting component of described first optocoupler is connected with the system power supply of described master controller, first pin ground connection of the photo detector of described first optocoupler, the second pin of the photo detector of described first optocoupler is connected with the coil negative terminal of described first outlet power relay;
The coil negative terminal of described first outlet power relay is as control end first side of described first outlet power relay, the coil anode of described first outlet power relay is as control end second side of described first outlet power relay, and the first node of described first outlet power relay comprises the first input pin and the second input pin;
Described second control circuit comprises: the second resistance and the 3rd resistance;
The first end of described second resistance is connected with the first pin of the first light-emitting component of described second outlet power relay, second end of described second resistance is connected with the system power supply of described locking controller, and the second pin of the first light-emitting component of described second outlet power relay is connected with described locking controller;
The first end of described 3rd resistance is connected with the first pin of the second light-emitting component of described second outlet power relay, second end of described 3rd resistance is connected with the system power supply of described locking controller, and the second pin of the second light-emitting component of described second outlet power relay is connected with described locking controller;
First pin of the second light-emitting component of the first pin of the first light-emitting component of described second outlet power relay and the second pin and described second outlet power relay and the second pin are as the control end of described second outlet power relay, first output pin included by Section Point of described first outlet power relay and the common port of the second output pin, be connected with the first pin of the second photo detector of described second outlet power relay with the first pin of the first photo detector of described second outlet power relay respectively;
Described 3rd control circuit comprises: the 4th resistance and the second optocoupler;
The first end of described 4th resistance is connected with described master controller, second end of described 4th resistance is connected with the second pin of the light-emitting component of described second optocoupler, first pin of the light-emitting component of described second optocoupler is connected with the system power supply of described master controller, first pin ground connection of the photo detector of described second optocoupler, the second pin of the photo detector of described second optocoupler is connected with the coil negative terminal of described exit relay;
The coil negative terminal of described exit relay is as control end second side of described exit relay, the coil anode of described exit relay is as control end first side of described exit relay, and the coil anode of described exit relay is connected with the second pin of the second photo detector of described second outlet power relay with the second pin of the first photo detector of described second outlet power relay respectively.
5. relay protection outlet exclusive circuit according to claim 4, is characterized in that, also comprise: diode and the 5th resistance;
The first end of described diode is connected with the coil negative terminal of described first outlet power relay, second end of described diode is connected with the first end of described 5th resistance, and the second end of described 5th resistance is connected with the coil anode of described first outlet power relay.
6. the relay protection outlet exclusive circuit according to claim 1-5 any one, is characterized in that, described master controller is specially: the central processor CPU comprising digital signal processor DSP and ARM.
7. relay protection outlet exclusive circuit according to claim 6, is characterized in that, described in comprise DSP and ARM CPU be specially OMAPL138 chip.
8. the relay protection outlet exclusive circuit according to claim 1-5 any one, is characterized in that, described locking controller is specially: Cortex-M3 single-chip microcomputer.
9. relay protection outlet exclusive circuit according to claim 8, is characterized in that, described Cortex-M3 single-chip microcomputer is specially: the Cortex-M3 single-chip microcomputer of LPC17XX series.
10. the relay protection outlet exclusive circuit according to claim 1-5 any one, is characterized in that, described first optocoupler is specially the optocoupler of TLP785 model;
Described second optocoupler is specially the optocoupler of TLP785 model;
Described first outlet power relay is specially: Panasonic DSP1-DC24V relay;
Described second outlet power relay is specially: AQW21x chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855722.5A CN104466883B (en) | 2014-12-31 | 2014-12-31 | A kind of relay protection outlet exclusive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410855722.5A CN104466883B (en) | 2014-12-31 | 2014-12-31 | A kind of relay protection outlet exclusive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466883A true CN104466883A (en) | 2015-03-25 |
| CN104466883B CN104466883B (en) | 2018-01-19 |
Family
ID=52912485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410855722.5A Active CN104466883B (en) | 2014-12-31 | 2014-12-31 | A kind of relay protection outlet exclusive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466883B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087067A (en) * | 2007-04-20 | 2007-12-12 | 上海一开电气集团信息科技有限公司 | A self-check device and method of relay circuit |
| CN102129227A (en) * | 2010-12-23 | 2011-07-20 | 国电南京自动化股份有限公司 | Driving loop for automatic device and starting loop thereof |
| CN102136395A (en) * | 2011-01-11 | 2011-07-27 | 国电南京自动化股份有限公司 | Automatic device system |
| CN201956676U (en) * | 2010-12-31 | 2011-08-31 | 南京安能电气控制设备有限公司 | Dual-CPU control exit circuit used in relay protection device |
| CN103887884A (en) * | 2014-04-04 | 2014-06-25 | 山东电力工程咨询院有限公司 | Achieving method of transformer substation functional redundancy |
-
2014
- 2014-12-31 CN CN201410855722.5A patent/CN104466883B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087067A (en) * | 2007-04-20 | 2007-12-12 | 上海一开电气集团信息科技有限公司 | A self-check device and method of relay circuit |
| CN102129227A (en) * | 2010-12-23 | 2011-07-20 | 国电南京自动化股份有限公司 | Driving loop for automatic device and starting loop thereof |
| CN201956676U (en) * | 2010-12-31 | 2011-08-31 | 南京安能电气控制设备有限公司 | Dual-CPU control exit circuit used in relay protection device |
| CN102136395A (en) * | 2011-01-11 | 2011-07-27 | 国电南京自动化股份有限公司 | Automatic device system |
| CN103887884A (en) * | 2014-04-04 | 2014-06-25 | 山东电力工程咨询院有限公司 | Achieving method of transformer substation functional redundancy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466883B (en) | 2018-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104505890B (en) | Mobile terminal | |
| CN103378378B (en) | A kind of charging method and device | |
| RU2625442C2 (en) | Electronic device and data transmission system | |
| CN105576453B (en) | A kind of intelligent and safe wiring board and its control method | |
| CN105896655A (en) | Method for charging electronic equipment, and electronic equipment | |
| CN104777891A (en) | OTG (on-the-go) connecting control method applied to intelligent terminal and connecting control device | |
| CN204256036U (en) | The power-off signal that power supply interrupts produces circuit | |
| CN109301792A (en) | protection circuit, circuit system, automation device, control method and device | |
| CN206211501U (en) | A kind of locked protection circuit of new output overvoltage | |
| CN104426194A (en) | Charging method and charging equipment | |
| CN103529281B (en) | Voltage detecting circuit, electronic equipment and the automobile of the real-time OBD of a kind of all standing | |
| CN105676049A (en) | Circuit for detecting poor grounding | |
| CN103108081B (en) | Subscriber identity module (SIM) card detection control device of mobile terminal | |
| CN106300252B (en) | A kind of electrical leakage detecting method, device and terminal device | |
| CN103546138A (en) | Touch key control circuit | |
| CN104466883A (en) | Relay protection outlet lockout circuit | |
| CN206610191U (en) | The control circuit and control device of a kind of voltage break-make | |
| CN104578276A (en) | Charging method, USB (universal serial bus) transmission line and power supply equipment | |
| CN205681118U (en) | A kind of novel digital signal detection circuit | |
| CN203690882U (en) | Computer USB interface short circuit prevention circuit | |
| CN205070530U (en) | Charging circuit and mobile terminal | |
| CN204333911U (en) | Comprehensive security universal control circuit module and comprehensive security earth leakage protective device | |
| CN203934040U (en) | A kind of communication interface arrangement for emergency lighting | |
| CN208738821U (en) | Computer adaptor power supplies input protection circuit | |
| CN204242185U (en) | A kind of USBKey |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |