CN101916077A - Signal screen controller and fault signal processing method - Google Patents
Signal screen controller and fault signal processing method Download PDFInfo
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- CN101916077A CN101916077A CN2010102334954A CN201010233495A CN101916077A CN 101916077 A CN101916077 A CN 101916077A CN 2010102334954 A CN2010102334954 A CN 2010102334954A CN 201010233495 A CN201010233495 A CN 201010233495A CN 101916077 A CN101916077 A CN 101916077A
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Abstract
The invention discloses a signal screen controller and a fault signal processing method. The controller is characterized in that a signal acquisition input circuit is connected with a microprocessor and then sequentially connected with a signal output circuit and an alarm circuit; a key signal control circuit is connected with the microprocessor; and the detection of multiple paths of acquired signals is realized through software. Due to the adoption of the structure and the method, the controller and the method have the following advantages that: 1, the cost is low, the cost performance is high and the input and output of multiple paths of signals can be met; 2, the controller is directly connected with a signal through a terminal without the switching of an intermediate relay, so the reliability thereof is improved; 3, due to the modularized design of functional template hardware, the accuracy of a central signal system is ensured; 4, due to the adoption of a design method in which a singlechip is used as a core, the anti-interference capability is improved and the reliability is increased; and 5, the product is easy to operate and the line is saved.
Description
Relate to the field
The present invention relates to a kind of signal screen controller and fault-signal disposal route.
Background technology
Along with microelectric technique and development of computer, originally based on forceful electric power and electrical equipment, the simple electrical equipment of function progressively by the strong, weak electricity combination, the novel microelectronic equipment with digitizing characteristics, perfect in shape and function replaces.In a lot of occasions, there has been increasing single-chip microcomputer product to replace traditional electrical control product.Belong to the single-chip microcomputer of stored programme control, its control function realizes that by software instruction its hardware configuration is also variable, variable.
For example, in transformer and distribution station, in order to make the operation operator on duty in time grasp the working condition of electrical equipment, except the ruuning situation of utilizing measurement instrument reflection equipment, also must demonstrate the duty of electrical equipment with signal in time, when electrical equipment has an accident or the malfunction situation occurs, should send various light and acoustic signal, arouse operator on duty's attention, help the scope of analysis and judgement accident and the particular content of place or irregular operating situation etc.Telltale plays an important role to the transformer and distribution station safe and stable operation.The signal circuit of transformer and distribution station generally comprises: position signalling, trouble-signal and anticipating signal loop.Every kind of signal all is made up of wigwag and acoustic signal two parts, and acoustic signal is aroused the operator on duty and noticed that wigwag is convenient to judge break down equipment and nature of trouble.Usually trouble-signal adopts electric bell, and anticipating signal adopts hummer as acoustic signal; This system comes the handling failure signal by the signal screen controller, traditional signal screen controller has pulse relay, PLC relay, special purpose relay etc., there is the price height in they, relay control can only realize some simple logic controls, easy-maintaining not, and there are the problems such as programming personnel's operation that need specialty in PLC.
Provide a kind of novel signal screen controller, low cost of realize producing and the problem that prior art need solve when simplifying the operation.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of signal screen controller and fault-signal disposal route, to reach production cost that reduces existing signal screen controller and the purpose of simplifying execute-in-place.
For solving the problems of the technologies described above, technical scheme of the present invention is that a kind of signal screen controller is characterized in that: described controller inserts signal output apparatus, warning circuit for the signals collecting input circuit after being connected to microprocessor successively; The push button signalling control circuit inserts microprocessor, thereby utilizes detection and the warning of microprocessor realization to the signal screen failure message.
Described signals collecting input circuit is connected to display circuit, lights thereby be implemented in fault-signal input time alarm lamp.
Described signals collecting input circuit is to be connected to opto-coupler chip after signal input part inserts current-limiting resistance, voltage stabilizing diode, electric capacity respectively; The output terminal of opto-coupler chip is connected to microprocessor, and the resistance of connecting between output terminal and the ground, thereby realizes collecting to such an extent that fault-signal realizes that photoelectricity isolates, and inputs to microprocessor.
Described display circuit is that the input signal after the signals collecting input circuit is isolated photoelectricity amplifies by the base stage that divider resistance is connected to triode, the input signal driving LED lamp after the amplification, thus realize lighting of alarm lamp.
Described warning circuit comprises electric bell bell circuit and alarm window flasher circuit, realizes the warning of acousto-optic two aspects.
The model of described microprocessor is STC12C5A08; The model of diode is IN4148; The opto-coupler chip model is TLP521-4; The model of triode is 9014.
A kind of signal screen fault-signal disposal route, it is characterized in that: described disposal route is:
Step 1: microprocessor receives the multichannel status signal of collection and the input signal of No. one test button;
Step 2: microprocessor sends one road audible warning to the electric bell bell circuit after receiving failure message, and sends wigwag and give the alarm window flasher circuit;
Step 3: the staff presses ACK button, confirms failure message;
Step 4: electric bell stops jingle bell, and alarm window becomes Chang Liang,
Thereby utilize microprocessor to replace traditional relay, reduce production costs.
The software main flow of described microprocessor is:
Step 1: system initialization;
Step 2: input signal detection;
Step 3: button detects;
Step 4: timing signal is handled;
Step 5: send output signal;
Step 6: judge whether interruption subroutine interrupts, if judged result is for being then to return step 2; If judged result is otherwise returns step 5, thereby realize detection and warning to the signal screen failure message on software.
The flow process of described interruption subroutine is:
Step 1: judge to determine whether button is pressed, if judged result for being then alarm window is normal bright and the elimination audible alarm, enters step 2;
Step 2: disconnect and determine the button contact;
Step 3: judge whether the test button is pressed, if judged result for being then alarm window is glittering and the warning of sounding, enters step 4;
Step 4: return master routine.
A kind of signal screen controller and fault-signal disposal route, owing to adopt said structure and method, this invention has the following advantages: 1, cost is low, the cost performance height can satisfy multiple signals input and output; 2, by terminal, directly connect, need not change by auxiliary reclay, improve its reliability with signal; 3, functional template hardware modularity design, the input port signal adopts photoisolator, realizes the electric isolation of going up between the external circuit that makes industry spot and the controller internal circuit.Thereby the accuracy of central signal system is guaranteed; 4, adopting with the single-chip microcomputer is the method for designing of core, and the microprocessor in-chip FLASH improves its antijamming capability and increases reliability as program storage; 5, product is easy to operate, saves circuit.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is a kind of signal screen controller architecture of the present invention synoptic diagram;
Fig. 2 is the signals collecting input circuit figure of a kind of signal screen controller of the present invention;
Fig. 3 is the microcontroller circuit figure of a kind of signal screen controller of the present invention;
Fig. 4 is the push button signalling control circuit figure of a kind of signal screen controller of the present invention;
Fig. 5 is the display circuit figure of a kind of signal screen controller of the present invention;
Fig. 6 is the signal output apparatus figure of a kind of signal screen controller of the present invention;
Fig. 7 is the logical diagram of a kind of signal screen fault-signal of the present invention disposal route;
Fig. 8 is the main flow chart of a kind of signal screen fault-signal of the present invention disposal route;
Fig. 9 is the initialization flowchart of a kind of signal screen fault-signal of the present invention disposal route;
Figure 10 is the interruption subroutine process flow diagram of a kind of signal screen fault-signal of the present invention disposal route;
In Fig. 1,1, microprocessor; 2, signals collecting input circuit; 3, signal output apparatus; 4, warning circuit; 5, display circuit; 6, push button signalling control circuit.
Embodiment
Hardware components of the present invention is: as shown in Figure 1, a kind of signal screen controller is characterized in that: described controller is to insert signal output apparatus 3, warning circuit 4 successively after signals collecting input circuit 2 is connected to microprocessor 1; Push button signalling control circuit 6 inserts microprocessor 1, thus the detection and the warning that utilize microprocessor 1 to realize to the signal screen failure message.
Signals collecting input circuit 2 is connected to display circuit 5, lights thereby be implemented in fault-signal input time alarm lamp.
The present invention at first passes through current-limiting resistance, voltage stabilizing diode IN4148, electronic components such as high speed photo coupling isolating chip TLP521-4 are formed the signal input Acquisition Circuit 2 of outside power distribution cabinet status signal, convert the signal that microprocessor 1 can receive and handle to by signal input Acquisition Circuit 2, thereby the input signal after photoelectricity is isolated comes amplifying circuit input signal driving LED lamp to show by the electronic components such as base stage of connecting suitable divider resistance and connect triode 9014, the light current control signal that single-chip microcomputer software program for execution instruction is sent is via the suitable divider resistance of series connection and connect electronic component such as triode 9014 and change, be amplified to the strong output signal that signal screen needs, the alarm window flash of light of shielding with drive signal is also sent acoustic signal.After personnel on duty knew this information, by manually pressing the affirmation button, the alarm window flash of light became normal bright and sound is eliminated, and waits outside trouble-signal, anticipating signal to remove alarm window and extinguishes.When clicking test button, all outputs are glittering in turn successively, send acoustic signal simultaneously.
As shown in Figure 2, signals collecting input circuit 2 is gathered the input signal of outside power distribution cabinet state by electronic components such as current-limiting resistance, voltage stabilizing diode IN4148, optocoupler TLP521-4, and the resistance of connecting between input end and ground limits the peak point current that flows into one-chip machine port.And these signals are transferred to the I/O mouth of single-chip microcomputer STC12C5A08PWM, software program for execution is instructed and is judged and handle.
As shown in Figure 3, microprocessor 1 is single-chip microcomputer STC12C5A08PWM, and it is high speed, low-power consumption, superpower jamproof 8051 single-chip microcomputers of new generation, the fully compatible tradition 8051 of instruction code, but fast 8～12 times of speed.The special-purpose reset circuit of inner integrated MAX810, house dog, two-way PWM has 8KB FLASH ROM in the sheet, and 1 280 B RAM support ISP.The electric capacity of the external 11.0592M crystal oscillator of pin XTAL1, XTAL2 and 2 20PF constitutes parallel oscillatory circuit, realizes the circuit of each function by software programming, and working power is for isolating back 5V.
As shown in Figure 4, push button signalling control loop 6 is for the P1.4 mouth of microprocessor 1 reads the affirmation push button signalling, and when pressing this button, this mouthful becomes low level by high level, the instruction of microprocessor 1 software program for execution, external alarm window becomes normal bright by flash of light and sound is eliminated; The P1.3 mouth reads the test push button signalling, and when clicking this button, this mouthful becomes low level by high electricity, microprocessor 1 beginning software program for execution instruction, and all outputs are glittering in turn successively, send sound equipment simultaneously.
As shown in Figure 5, display circuit 5 comes the amplifying circuit input signal for the input signal of photoelectricity after isolating by the electronic components such as base stage of connecting suitable divider resistance and connect triode 9014, thereby comes the driving LED lamp to show.
As shown in Figure 6, the light current control signal that signal output apparatus 3 is sent for the instruction of microprocessor 1 software program for execution is via the suitable divider resistance of series connection and connect the strong output signal that signal screen needs were changed, were amplified to electronic component such as triode 9014, glistens with the alarm window on the drive signal screen and also sends acoustic signal.
A kind of signal screen fault-signal disposal route, it is characterized in that: described disposal route is:
Step 1: the multichannel status signal of microprocessor receives signals screen and the input signal of No. one test button;
Step 2: microprocessor sends one road audible warning to the electric bell bell circuit after receiving failure message, and sends wigwag and give the alarm window flasher circuit;
Step 3: the staff presses ACK button, confirms failure message;
Step 4: electric bell stops jingle bell, and alarm window becomes Chang Liang, thereby utilizes microprocessor to replace traditional relay, reduces production costs.
The software main flow of microprocessor is:
Step 1: system initialization;
Step 2: input signal detection;
Step 3: button detects;
Step 4: timing signal is handled;
Step 5: send output signal;
Step 6: judge whether interruption subroutine interrupts, if judged result is for being then to return step 2; If judged result is otherwise returns step 5, thereby realize detection and warning to the signal screen failure message on software.
Initialization flow process of the present invention is: the definition of at first input and output direction, and timer 0 interrupting value initialization assignment definition then, disconnection interrupted enters master routine.
The flow process of interruption subroutine is:
Step 1: judge to determine whether button is pressed, if judged result for being then alarm window is normal bright and the elimination audible alarm, enters step 2;
Step 2: disconnect and determine the button contact;
Step 3: judge whether the test button is pressed, if judged result for being then alarm window is glittering and the warning of sounding, enters step 4;
Step 4: return master routine.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (9)
1. signal screen controller, it is characterized in that: described controller is to insert signal output apparatus (3), warning circuit (4) successively after signals collecting input circuit (2) is connected to microprocessor (1); Push button signalling control circuit (6) inserts microprocessor (1).
2. a kind of signal screen controller according to claim 1 is characterized in that: described signals collecting input circuit (2) is connected to display circuit (5).
3. a kind of signal screen controller according to claim 1 is characterized in that: described signals collecting input circuit (2) is to be connected to opto-coupler chip after signal input part inserts current-limiting resistance, voltage stabilizing diode, electric capacity respectively; The output terminal of opto-coupler chip is connected to microprocessor, and the resistance of connecting between output terminal and the ground.
4. a kind of signal screen controller according to claim 1 and 2, it is characterized in that: described display circuit (5) is that the input signal after signals collecting input circuit (2) is isolated photoelectricity amplifies the input signal driving LED lamp after the amplification by the base stage that divider resistance is connected to triode.
5. a kind of signal screen controller according to claim 1 is characterized in that: described warning circuit (5) comprises electric bell bell circuit and alarm window flasher circuit.
6. according to claim 1 or 3 or 4 described a kind of signal screen controllers, it is characterized in that: the model of described microprocessor (1) is STC12C5A08; The model of diode is IN4148; The opto-coupler chip model is TLP521-4; The model of triode is 9014.
7. signal screen fault-signal disposal route, it is characterized in that: described disposal route is:
Step 1: microprocessor receives the multichannel status signal of collection and the input signal of No. one test button;
Step 2: microprocessor sends one road audible warning to the electric bell bell circuit after receiving failure message, and sends wigwag and give the alarm window flasher circuit;
Step 3: the staff presses ACK button, confirms failure message;
Step 4: electric bell stops jingle bell, and alarm window becomes Chang Liang.
8. a kind of signal screen fault-signal disposal route according to claim 7, it is characterized in that: the software main flow of described microprocessor is:
Step 1: system initialization;
Step 2: input signal detection;
Step 3: button detects;
Step 4: timing signal is handled;
Step 5: send output signal;
Step 6: judge whether interruption subroutine interrupts, if judged result is for being then to return step 2; If judged result is otherwise returns step 5.
9. a kind of signal screen fault-signal disposal route according to claim 7, it is characterized in that: the flow process of described interruption subroutine is:
Step 1: judge to determine whether button is pressed, if judged result for being then alarm window is normal bright and the elimination audible alarm, enters step 2;
Step 2: disconnect and determine the button contact;
Step 3: judge whether the test button is pressed, if judged result for being then alarm window is glittering and the warning of sounding, enters step 4;
Step 4: return master routine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102334954A CN101916077A (en) | 2010-07-20 | 2010-07-20 | Signal screen controller and fault signal processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102334954A CN101916077A (en) | 2010-07-20 | 2010-07-20 | Signal screen controller and fault signal processing method |
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| CN101916077A true CN101916077A (en) | 2010-12-15 |
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| CN2010102334954A Pending CN101916077A (en) | 2010-07-20 | 2010-07-20 | Signal screen controller and fault signal processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442519A (en) * | 2021-12-20 | 2022-05-06 | 南京铁道职业技术学院 | Rail vehicle sliding fault simulation system |
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2010
- 2010-07-20 CN CN2010102334954A patent/CN101916077A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442519A (en) * | 2021-12-20 | 2022-05-06 | 南京铁道职业技术学院 | Rail vehicle sliding fault simulation system |
| CN114442519B (en) * | 2021-12-20 | 2023-09-22 | 南京铁道职业技术学院 | Rail vehicle slides trouble analog system |
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Application publication date: 20101215 |