CN104932482A - Intelligent testing device for control circuit of alternating current switch machine - Google Patents
Intelligent testing device for control circuit of alternating current switch machine Download PDFInfo
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- CN104932482A CN104932482A CN201510281752.4A CN201510281752A CN104932482A CN 104932482 A CN104932482 A CN 104932482A CN 201510281752 A CN201510281752 A CN 201510281752A CN 104932482 A CN104932482 A CN 104932482A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
Abstract
The invention discloses an intelligent testing device for a control circuit of an alternating current switch machine. An action voltage and phase sequence detection circuit accomplishes the detection of voltage signals and the phase sequence relation among five wires, outputted analog quantity signals are connected with a microcontroller system; the microcontroller system analyzes the voltages and the phase sequence relation among the five wires, determines the work state of a switch machine indoor control circuit, and controls an action simulation circuit, an expression simulation circuit, and an operation button indicating panel according to the work state of the switch machine indoor control circuit; the action simulation circuit simulates normal fixed rotation, normal reverse rotation, switch-extruding fixed rotation, and switch-extruding reverse rotation of the alternating current switch machine; the expression simulation circuit simulates the fixed rotation, reverse rotation, and four-open states of the alternating current switch machine; and an action current detection circuit and an expression current detection circuit accomplish the detection of system circuit current. The beneficial effects of the intelligent testing device are that the intelligent device capable of realizing intelligence and fully testing the control circuit of the alternating current switch machine is provided, and the test efficiency is improved.
Description
Technical field
The invention belongs to railway signal control technical field, relate to a kind of interchange railway switch control circuit intelligent test device.
Background technology
Five-wire system three-phase alternating current turn-out track equipment has been widely used in speed-raising with high ferro circuit.Five-wire system exchanges the control circuit of goat as shown in Figure 1, control circuit is primarily of expression loop and control loop composition, control circuit is connected with controlled goat by X1, X2, X3, X4, X5, realizes the collection of rotation control to goat and location status.This circuit structure is complicated, trouble spot is more.In daily operation process, the malfunction elimination of five-wire system railway switch control circuit relies on ability and the experience of maintainer, there is the problems such as personnel qualifications is high, the malfunction elimination time is long, difficulty is large.When newly-built circuit, all may mistake be there is in five-wire system railway switch control circuit at design and fixing link, must test fully railway switch control circuit in advance for guaranteeing to open smoothly, because many reasons such as circuit is limited cause the test of the installation of outdoor goat and indoor opertaing device often can not synchronously to be carried out, need special test to carry out cooperation to test.The equipment of current cooperation test simply can only simulate fixed, the anti-behaviour of goat and fixed, antiposition presentation function, can not test fully, can not find control circuit Problems existing timely to railway switch control circuit.So need a kind of railway switch control circuit intelligent test device, improve efficiency and the adequacy of test.
Summary of the invention
The object of the present invention is to provide a kind of interchange railway switch control circuit intelligent test device, the malfunction elimination solving five-wire system railway switch control circuit relies on ability and the experience of maintainer, there is the problem that personnel qualifications is high, the malfunction elimination time is long, difficulty is large.
The technical solution adopted in the present invention comprises micro controller system, operation voltage and circuit of testing the phase sequence, action simulation circuit, action current testing circuit, expression mimic channel, expression current detection circuit, action button state acquisition circuit, action button display disc; Described operation voltage and circuit of testing the phase sequence are connected with five line X1, X2, X3, X4, X5 of the indoor control circuit of goat, and complete the detection of voltage signal and phase order relation between five lines, the analog signals of output is connected with micro controller system; Micro controller system is analyzed the voltage between five lines and phase order relation, judge the duty of the indoor control circuit of goat be surely to turn, reversion, fixed table, anti-table, one between fault five kinds of states, the duty according to the indoor control circuit of goat is carried out control action mimic channel, is represented mimic channel and action button display disc.Described action simulation circuit, accepts the steering order of micro controller system, analog AC goat normal fixed turns, normal, squeeze trouble and surely to turn, squeeze trouble reversion; Described expression mimic channel, accepts the steering order of micro controller system, the location of analog AC goat, antiposition, four open state; Described action current testing circuit, the detection of execution electric current, its analog signals exported inputs to micro controller system, and micro controller system judges the duty of action simulation circuit in the indoor control circuit of goat according to the signal of input; Described expression current detection circuit, completes the detection representing electric current, and its analog signals exported is connected with micro controller system, and micro controller system judges according to the signal of input the duty representing mimic channel in the indoor control circuit of goat; Described action button state acquisition circuit, collecting test human users sets the simulation location of goat, antiposition, four opens three kinds of information, and it is normal rotation or to squeeze trouble rotate two states information that collecting test human users sets when goat rotates; Described action button display disc, completes and accepts when operating personnel set simulation goat location, antiposition, four opens operation and rotate to be normal rotation or crowded trouble rotating operation; Complete the display directly perceived of diagnostic result, diagnostic result is shown by LCDs.
Further, described operation voltage and circuit of testing the phase sequence are equipped with voltage sensor and isolation operational amplifier between X1 and X2, between X1 and X3, between X1 and X4, between X1 and X5, the output terminal of voltage sensor is connected to isolation operational amplifier, isolation operational amplifier exports the analog signals of 0-5V to micro controller system, carries out operational analysis for micro controller system.
Further, simulated impedance when described action simulation circuit comprises simulation goat chop node relay, goat motor normal rotation, goat motor squeeze simulated impedance when trouble is rotated; Goat normally rotates through switching relay to connect different simulated impedance from crowded trouble.
Further, X1, X2, X3 are connected to different current sensors from switching relay respectively, a current sensor is connected between the relay of simulation goat chop node, the output terminal of each current sensor is connected to an isolation operational amplifier, and the signal that isolation operational amplifier exports inputs to micro controller system.
The invention has the beneficial effects as follows the intelligent apparatus providing and intelligent and fully can test interchange railway switch control circuit, improve the efficiency of test.
Accompanying drawing explanation
Fig. 1 is a kind of interchange railway switch control circuit;
Fig. 2 is that the present invention exchanges railway switch control circuit intelligent test device structural representation;
Fig. 3 is the circuit theory diagrams that the present invention exchanges railway switch control circuit intelligent test device;
Fig. 4 is voltage sensor between X1 and X2 and isolation operation amplifier circuit connection diagram;
Fig. 5 is voltage sensor between X1 and X3 and isolation operation amplifier circuit connection diagram;
Fig. 6 is voltage sensor between X1 and X4 and isolation operation amplifier circuit connection diagram;
Fig. 7 is voltage sensor between X1 and X5 and isolation operation amplifier circuit connection diagram;
Fig. 8 is that X1 and K3 connects current sensor to corresponding isolation operation amplifier circuit connection diagram;
Fig. 9 is that X2 and K3 connects current sensor to corresponding isolation operation amplifier circuit connection diagram;
Figure 10 is that X3 and K3 connects current sensor to corresponding isolation operation amplifier circuit connection diagram;
Figure 11 is the relay K 1 of simulation goat chop node, current sensor output between K2 is connected to isolation operation amplifier circuit connection diagram;
Figure 12 is the operating personnel's button display disc schematic diagram exchanging railway switch control circuit intelligent test device;
Figure 13 is the button Acquisition Circuit schematic diagram exchanging railway switch control circuit intelligent test device.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
Fig. 1 is a kind of interchange railway switch control circuit, interchange railway switch control circuit intelligent test device of the present invention as shown in Figure 2, comprises micro controller system 1, operation voltage and circuit of testing the phase sequence 2, action simulation circuit 3, represents mimic channel 4, action current testing circuit 5, represents current detection circuit 6, action button state acquisition circuit 7, operating personnel's action button display disc 8.
As shown in Figure 3, operation voltage and circuit of testing the phase sequence 2 comprise the voltage sensor 2-4 and four between voltage sensor 2-3, X1 and X5 between voltage sensor 2-2, X1 and X4 between voltage sensor 2-1, X1 and X3 group of isolation operational amplifier Fig. 4, Fig. 5, Fig. 6, Fig. 7 between X1 and X2, the output terminal of voltage sensor 2-1,2-2,2-3,2-4 is connected to corresponding isolation operational amplifier Fig. 4, Fig. 5, Fig. 6, Fig. 7 respectively, and the analog signals of isolation operational amplifier output 0-5V inputs to the pin with analog-digital conversion function of micro controller system.
Action simulation circuit 3 comprises relay K 1 (comprising K1B, K1C, K1D, K1F, K1G), the K2 (bag K2C, K2D, K2E, K2F, K2G) of simulation goat chop node; Simulated impedance R1 during goat motor normal rotation, R2, R3; Goat motor squeeze trouble rotate time simulated impedance R4, R5, R6; Goat is normal branches off the switching relay K3 (comprising K3E, K3F, K3G) rotated with squeezing.K1 and K2 is the pcb board live magnetic relay with two groups of normally closed contact C, D, three groups of normal opened contacts E, F, G, and K3 is pcb board live magnetic relay B, C, the D with 3 groups of forward and backward contacts.X1 and K3 is connected to current sensor 2-5, and X2 and K3 is connected to current sensor 2-6 by simulation goat chop node, and X3 and K3 is connected to current sensor 2-7 by simulation goat chop node.The output terminal of current sensor 2-5,2-6,2-7 is connected to corresponding isolation operational amplifier Fig. 8, Fig. 9, Figure 10 respectively.Simulate between the relay K 1 of goat chop node, K2 and be connected to current sensor 2-8, the output terminal of current sensor is connected to isolation operational amplifier Figure 11.The signal that isolation operational amplifier Fig. 4 exports inputs to the pin with analog-digital conversion function of micro controller system.Indoor control circuit ON Action power supply detected, CPU action chop node K3F, K3G, K3E, K2F connect, and the rotating manner connection normal rotation artifical resistance selected according to operating personnel or crowded trouble rotate artifical resistance.Voltage sensor 2-1,2-2,2-3,2-4 measure operation voltage, and current sensor 2-5,2-6,2-7 measure action current, and the current curve collected is plotted on guidance panel by CPU.
Represent mimic channel 4, the location of analog AC goat, antiposition, four open state.Detect that normal indication power supply connected by indoor control circuit, CPU action chop node K3F, K3G, K2C, K1B, K2D, K1D connect, and connect normal indication circuit; Detect that indoor control circuit is connected antiposition and represented power supply, CPU action chop node K3F, K3G, K2C, K1B, K2D, K1D connect, and connect antiposition indication circuit.As shown in Figure 4, microprocessor system is delivered to after being measured by sensor 2-8 in its expression size of current, direction.
As shown in Figure 3, two pins of current sensor 2-5,2-6,2-7 access in goat actuating circuits, for measuring size, the direction of action current action current testing circuit 5.Two other pin access current detection circuit of current sensor 2-5,2-6,2-7, as shown in Fig. 8, Fig. 9, Figure 10, its analog signals exported, converted by two-stage amplifier, its analog signals exported is connected with the pin of micro controller system 1, the simulating signal of micro controller system to input carries out A/D conversion, draws action current curve.
Represent current detection circuit 6 as shown in Figure 3, two pins of sensor 2-8 are serially connected in and represent in mimic channel, for measuring size, the direction of expression electric current.Two other pin access current detection circuit of current sensor 2-8, as shown in figure 11, its analog signals exported, converted by two-stage amplifier, its analog signals exported is connected with the pin of micro controller system 1, and the simulating signal of micro controller system to input carries out the rear outputting measurement value of A/D conversion.
Described one exchanges railway switch control circuit intelligent tester, described action button state acquisition circuit 7, as shown in figure 12, collecting test human users sets the simulation location of goat, antiposition, four opens three kinds of information, and it is normal rotation or to squeeze trouble rotate two states information that collecting test human users sets when goat rotates.When certain nonstick button is pressed, CPU can collect a low level, thus collects the action that button is pressed, then performs corresponding action.If button is toggle switch, CPU then can collect a level saltus step, thus the setting collecting operating personnel is to perform corresponding operating.
Described one exchanges railway switch control circuit intelligent tester, described operating personnel's action button display disc 8, as shown in figure 13, complete that to accept that operating personnel set when simulation goat location, antiposition, four are opened operating and setting and rotate be normal rotation or the operating and setting squeezing trouble rotation two states; Draw goat action current curve; Display action voltage swing, phase sequence; Provide and represent size of current, direction; Provide track switch current state; Provide the display directly perceived of diagnostic result.
The principle of work of present system:
In fixed turn of goat simulation or Umklapp process, measure operation voltage between X1 and X2, X5 or X1 and X3, X4, whether phase sequence is correct.Correct explanation goat actuating circuit is normal; The diagnostic result of phase shortage or phase order relation mistake is provided if incorrect.
After goat stops operating, measure and represent that whether voltage is correct between X1 and X2, X4 or between X1 and X3, X5.No-voltage illustrates and represents the non-place in circuit of power supply, provides broken string diagnostic result; Voltage is incorrect, without representing that electric current illustrates that indication transformer connects instead, provides diagnostic result.
After goat stops operating, measure direction of current between X1 and X2, X4 or between X1 and X3, X5, whether size is correct.Correct explanation switch machine indication circuit is normal; If incorrect, need to judge further in conjunction with other diagnostic results, as now no current and actuating circuit phase shortage then represents actuating circuit broken string or rosin joint, provide diagnostic result; Represent that voltage is normal as now no current, illustrate that DBJ or FBJ connects instead, provide diagnostic result.
After goat stops operating, operation voltage, expression voltage, expression electric current are all normal, but the action current collected is abnormal as drifted about or abnormal spike, mix line fault is described, provides diagnostic result.
Concrete, micro controller system comprises a slice intelligence singlechip chip AT90CAN128.Micro controller system gathers aforesaid electric current, voltage signal, through analog to digital conversion for Intelligent Measurement software Treatment Analysis, judge the duty of indoor control circuit, and diagnosis provides display.Intelligent detecting method is:
1 measures X1 and X2, the voltage between X3, X4, X5, phase sequence.Exchange 380V voltage and phase sequence if having between X1 and X2, X1 and X5 correct, then illustrate that indoor execution turns operation surely, proceed to 2.Exchange 380V voltage and phase sequence if having between X1 and X3, X1 and X4 correct, then indoor execution reverse turn operation is described, proceeds to 3.If X1 and X2 has 380V voltage, but does not have voltage between X1 and X5, then judge X5 disconnection fault; If X1 and X5 has 380V voltage, but does not have voltage between X1 and X2, then judge X2 disconnection fault; If X1 and X3 has 380V voltage but do not have voltage between X1 and X4, then judge X4 disconnection fault; If X1 and X4 has 380V voltage but do not have voltage between X1 and X3, then judge X3 disconnection fault.If phase sequence mistake, then judge that the phase sequence of plant-grid connection is incorrect, terminate.
2 detect that indoor execution turns operation surely after, CPU action chop node K3F, K3G, K3E, K2F connect, judge whether " rotation mode " is " normal rotation " pattern, be " normal rotation " then action K4 access simulation goat normal rotation artifical resistance R1, R2, R3, otherwise K4 access goat crowded trouble action simulation resistance R4, R5, R6.Measure the action current on current sensor, after simulation goat rotates 3s, proceed to 4.
3 detect that reverse turn operation is carried out in indoor after, CPU action chop node K3F, K3E, K1D, K1C connect, judge whether " rotation mode " is " normal rotation " pattern, be " normal rotation " then action K4 access simulation goat normal rotation artifical resistance R1, R2, R3, otherwise K4 access goat crowded trouble action simulation resistance R4, R5, R6.Measure the action current on current sensor, after simulation goat rotates 3s, proceed to 5.
After fixed turn of 4 simulations terminate, CPU action chop node K3F, K3G, K2C, K1B, K2D, K1D connect, and connect normal indication circuit, measure the expression voltage between X1 and X2, X1 and X4, and current sensor 2-8 measurement represents electric current.If all without expression voltage between X1 and X2, X1 and X4, judge to represent the non-place in circuit of power supply.If have between X1 and X2 and normally represent voltage, no-voltage between X1 and X4, judges that X4 breaks.If have between X1 and X4 and normally represent voltage, no-voltage between X1 and X2, judges that X2 breaks.If all there is the expression voltage of normal size between X1 and X2, X1 and X4, but without representing electric current on current sensor, judge that indication transformer connects instead.Represent that if record voltage alternating current-direct current component size is correct, in the right direction, provide simulation goat normal indication information, proceed to 6.
After 5 simulation reversions terminate, CPU action chop node K3F, K3G, K2C, K1B, K2D, K1D connect, and connect antiposition indication circuit, measure the expression voltage between X1 and X3, X1 and X5, and current sensor 2-8 measures and represents electric current.If all without expression voltage between X1 and X3, X1 and X5, judge to represent the non-place in circuit of power supply.If have between X1 and X3 and normally represent voltage, no-voltage between X1 and X5, judges that X5 breaks.If have between X1 and X5 and normally represent voltage, no-voltage between X1 and X3, judges that X3 breaks.If all there is the expression voltage of normal size between X1 and X3, X1 and X5, but without representing electric current on current sensor, judge that indication transformer connects instead.Represent that if record voltage alternating current-direct current component size is correct, in the right direction, provide simulation goat antiposition and represent information, proceed to 6.
6 current sensor measurements represent that whether direction of current, size be correct.If represent direction of current mistake, but represent that voltage is normal, illustrate that DBJ or FBJ connects instead, provide diagnostic result.If now represent size of current, in the right direction, diagnosis proceeds to 7.
7 diagnostic action voltages, expression voltage, expression electric current are all normal, but the action current collected is abnormal as drifted about or abnormal spike, mix line fault is described, provides diagnostic result.
Current construction of railways personnel verify in the process whether distribution of goat indoor and outdoor control circuit and indication circuit is correct, need place in circuit in kind for goat to carry out on-the-spot test, and this method wastes time and energy.And accessing goat material object when testing, a lot of malfunction needs workmen to analyze to draw fault diagnosis, and efficiency is lower.The invention provides a kind of portable railway switch control circuit intelligent tester, the principle of work of simulation five-wire system goat, rapidly, intuitively can provide fault point position after Access Control circuit, reduce site operation person works amount, improve work efficiency.
The above is only to better embodiment of the present invention, not any pro forma restriction is done to the present invention, every any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (4)
1. exchange a railway switch control circuit intelligent test device, it is characterized in that: comprise micro controller system, operation voltage and circuit of testing the phase sequence, action simulation circuit, action current testing circuit, represent mimic channel, represent current detection circuit, action button state acquisition circuit, action button display disc;
Described operation voltage and circuit of testing the phase sequence are connected with five line X1, X2, X3, X4, X5 of the indoor control circuit of goat, and complete the detection of voltage signal and phase order relation between five lines, the analog signals of output is connected with micro controller system; Micro controller system is analyzed the voltage between five lines and phase order relation, judge the duty of the indoor control circuit of goat be surely to turn, reversion, fixed table, anti-table, one between fault five kinds of states, the duty according to the indoor control circuit of goat is carried out control action mimic channel, is represented mimic channel and action button display disc.
Described action simulation circuit, accepts the steering order of micro controller system, analog AC goat normal fixed turns, normal, squeeze trouble and surely to turn, squeeze trouble reversion;
Described expression mimic channel, accepts the steering order of micro controller system, the location of analog AC goat, antiposition, four open state;
Described action current testing circuit, the detection of execution electric current, its analog signals exported inputs to micro controller system, and micro controller system judges the duty of action simulation circuit in the indoor control circuit of goat according to the signal of input;
Described expression current detection circuit, completes the detection representing electric current, and its analog signals exported is connected with micro controller system, and micro controller system judges according to the signal of input the duty representing mimic channel in the indoor control circuit of goat;
Described action button state acquisition circuit, collecting test human users sets the simulation location of goat, antiposition, four opens three kinds of information, and it is normal rotation or to squeeze trouble rotate two states information that collecting test human users sets when goat rotates;
Described action button display disc, completes and accepts when operating personnel set simulation goat location, antiposition, four opens operation and rotate to be normal rotation or crowded trouble rotating operation; Complete the display directly perceived of diagnostic result, diagnostic result is shown by LCDs.
2. exchange railway switch control circuit intelligent test device according to a kind of described in claim 1, it is characterized in that: described operation voltage and circuit of testing the phase sequence are equipped with voltage sensor and isolation operational amplifier between X1 and X2, between X1 and X3, between X1 and X4, between X1 and X5, the output terminal of voltage sensor is connected to isolation operational amplifier, isolation operational amplifier exports the analog signals of 0-5V to micro controller system, carries out operational analysis for micro controller system.
3. exchange railway switch control circuit intelligent test device according to a kind of described in claim 1, it is characterized in that: simulated impedance when described action simulation circuit comprises simulation goat chop node relay, goat motor normal rotation, goat motor squeeze simulated impedance when trouble is rotated; Goat normally rotates through switching relay to connect different simulated impedance from crowded trouble.
4. exchange railway switch control circuit intelligent test device according to a kind of described in claim 1, it is characterized in that: described X1, X2, X3 are connected to different current sensors from switching relay respectively, a current sensor is connected between the relay of simulation goat chop node, the output terminal of each current sensor is connected to an isolation operational amplifier, and the signal that isolation operational amplifier exports inputs to micro controller system.
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| CN108761226A (en) * | 2018-04-02 | 2018-11-06 | 浙江众合科技股份有限公司 | A kind of circuit and method for realizing three-phase alternating current five-wire system goat analog simulation |
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