CN2924768Y - Locomotive traction motor main circuit time-delay cutoff controller - Google Patents
Locomotive traction motor main circuit time-delay cutoff controller Download PDFInfo
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- CN2924768Y CN2924768Y CN 200520024832 CN200520024832U CN2924768Y CN 2924768 Y CN2924768 Y CN 2924768Y CN 200520024832 CN200520024832 CN 200520024832 CN 200520024832 U CN200520024832 U CN 200520024832U CN 2924768 Y CN2924768 Y CN 2924768Y
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Abstract
A locomotive traction motor main circuit delay disconnected controller is composed of a regulated power supply indication circuit, a signal circuit of protection circuit, a control and executive circuit of protection circuit, a signal input circuit of delay device, a main delay control and executive circuit, a power supply filter circuit and an executive circuit, wherein, the regulated power supply indication circuit is connected with the signal circuit, the control and executive circuit of protection circuit in parallel through the both ends of a voltage regulator tube D1; the signal input circuit of delay device is connected with the main delay control and executive circuit in parallel; the signal circuit of protection circuit is connected with the control and executive circuit through a resistance R5, and the signal circuit of protection circuit is connected with the upper end of a diode D4 of the signal input circuit of the delay device through the upper end of a resistance R1. The utility model is characterized in that: the controller is an equivalent circuit without the change of the locomotive original circuit. The utility model has the advantages of reasonable and simple design; the utility model can reduce the electrical wear of the contact of the contactor, prolong the service life of the contactor and reduce the maintenance work when in use of the controller, while the utility model is an effort-saving and economic product.
Description
One, technical field:
The utility model relates to a kind of circuit delay and disconnects controller, and particularly a kind of locomotive traction motor main circuit time-delay disconnects controller.
Two, background technology:
At present, traction electric machine main circuit contact device main contact is in disconnection or closed circuit process, and electric arc forms metal bridges, causes transfer, splash and the liquefaction of contact contact-making surface metal, makes the main contact material damage, consumes and distortion, is referred to as electrical wear traditionally.Detailed process is as follows, and the moment that contact disconnects, the contact pressure and the contact point of contact contact-making surface reduce gradually, and the current density of contact point is sharply increased, and impels contact point place metal molten, gasification, generation arcing, contact contact-making surface to form pit.Electrical wear is the main wearing and tearing in the main contact wearing and tearing.In sum, the main cause that causes the main contact electrical wear is the electric arc that produces when main contact disconnects, how can make main contact not have electricity and disconnect, and be fundamentally to eliminate the important means that electric arc burns out main contact, and prior art can not realize this point.
Three, summary of the invention:
The purpose of this utility model is that a kind of locomotive traction motor main circuit time-delay of invention disconnects controller, the nothing electricity of realizing main noddle on contactor disconnects, fundamentally eliminate the scaling loss of electric arc to main noddle on contactor, improve the reliability that contactor uses, prolong the useful life of contactor, overcome the deficiencies in the prior art.
The purpose of this utility model can reach by following embodiment: this controller is made up of the signal circuit of stabilized voltage power supply indicating circuit, protective circuit, the control executive circuit of protective circuit, the signal input circuit of time-delay mechanism, main time-delay control executive circuit, electric source filter circuit and executive circuit, it is characterized in that:
Light-emitting diode Do, voltage-stabiliser tube D1 and resistance R o are arranged in a, the stabilized voltage power supply indicating circuit, and it connects is light-emitting diode Do and resistance R o series connection back and voltage-stabiliser tube D1 parallel connection;
Resistance R 1, resistance R 2, triode BGo, electrochemical capacitor Co, resistance R 3, resistance R 4, resistance R 5 and rectifier diode D10 are arranged in the signal circuit of b, protective circuit, and it is the RC charging circuit;
Operational amplifier LM358, triode BG1, triode BG2 and contactor J2 coil are arranged in the control executive circuit of c, protective circuit;
Resistor R 15, resistance R 14, diode D4, electrochemical capacitor C2 and IN3,5 are arranged in the signal input circuit of d, time-delay mechanism;
The coil that operational amplifier LM358A, triode BG3, triode BG4 and relay J 1 are arranged in e, the main time-delay control executive circuit;
Electrochemical capacitor C3, capacitor C 4, coil L and diode D are arranged in f, the electric source filter circuit;
The normally opened contact J1-1 of relay J 1, normally-closed contact J2-1, load FZ, diode D7, diode D8, resistance R 25, K switch and the fuse 2A of relay J 2 are arranged in g, the executive circuit;
H, its annexation are:
The control executive circuit of the signal circuit of circuit stabilized voltage power supply indicating circuit by voltage-stabiliser tube D1 two ends and protective circuit, protective circuit, the signal input circuit and the main time-delay control executive circuit of time-delay mechanism also connect, its two ends provide power supply for foregoing circuit, the signal circuit of protective circuit is connected by resistance R 5 with the control executive circuit of protective circuit, links to each other with the diode D4 upper end of the signal input circuit of time-delay mechanism by resistance R 1 upper end simultaneously; The control executive circuit of protective circuit is that power supply links to each other with the signal input circuit of time-delay mechanism; The signal input circuit of time-delay mechanism links to each other by diode D4 lower end with main time-delay control executive circuit, and main time-delay control executive circuit links to each other electric source filter circuit and executive circuit common DC Vcc power supply by resistance R 24 with electric source filter circuit.
Advantage of the present utility model is: circuit design is rationally simple, not only can make main noddle on contactor realize not having electricity disconnects, and the controller lead-in wire is installed in the locomotive circuit from the outside, it is the equivalent electric circuit that does not change the original circuit of locomotive, when breaking down, this circuit can be thrown off from original circuit, does not influence original circuit operate as normal.This controller can reduce the electrical wear of main noddle on contactor, improves the dependability of contactor, prolongs the useful life of contactor, reduces maintenance work, is a kind of laborsaving, economizing type product.
Four, description of drawings:
Fig. 1 is an electrical schematic diagram of the present utility model.
Five, embodiment:
As shown in Figure 1; this controller is made up of the signal circuit 2 of stabilized voltage power supply indicating circuit 1, protective circuit, the control executive circuit 3 of protective circuit, the signal input circuit 4 of time-delay mechanism, main time-delay control executive circuit 5, electric source filter circuit 6 and executive circuit 7, it is characterized in that:
Light-emitting diode Do, voltage-stabiliser tube D1 and resistance R o are arranged in a, the stabilized voltage power supply indicating circuit 1, and it connects is light-emitting diode Do and resistance R o series connection back and voltage-stabiliser tube D1 parallel connection, and its effect is that voltage stabilizing and work are indicated.
Resistance R 1, resistance R 2, triode BGo, electrochemical capacitor Co, resistance R 3, resistance R 4, resistance R 5 and rectifier diode D10 are arranged in the signal circuit 2 of b, protective circuit; it is the RC charging circuit, and its effect is that the control electricity portion for protective circuit partly provides signal.
Operational amplifier LM358, triode BG1, triode BG2 and contactor J2 coil are arranged in the control executive circuit 3 of c, protective circuit, its effect be when main time-delay control executive circuit 5 break down or executive circuit 7 in the just interlocking contact J1-1 of contactor J1 when sticking together, relay J 2 adhesives, the anti-interlocking contact J2-1 of relay J 2 disconnects, and cuts off the electric circuit; Relay J 2 adhesives are kept in circuit generation self-locking simultaneously all the time, and malfunction indicator lamp is bright.
Resistor R 15, resistance R 14, diode D4, electrochemical capacitor C2 and IN3,5 are arranged in the signal input circuit 4 of d, time-delay mechanism; its effect is to disconnect by the input of gathering input IN3,5 break-make implement device; relay J 1 time-delay 1-3 in the main time-delay control executive circuit 5 dead electricity after second; if 1-3 back loading second is dead electricity not still, promptly protective circuit is in 5-8 time second internal cutting off electric.
The coil that operational amplifier LM358A, triode BG3, triode BG4 and relay J 1 are arranged in e, the main time-delay control executive circuit 5, its effect is that the signal input circuit 4 input IN3,5 that finish when time-delay mechanism disconnect, relay J 1 coil power supply is given 1-3 second in time-delay, thereby make executive circuit 7 loads time-delays 1-3 get second electric after, the just interlocking J1-1 of relay J 1 disconnects, and makes the load dead electricity.
Electrochemical capacitor C3, capacitor C 4, coil L and diode D are arranged in f, the electric source filter circuit 6, and its effect is to form the LC filter circuit, and diode D is that anti-power supply connects anti-diode, and capacitor C 3 is a current filtering electric capacity.
The normally opened contact J1-1 of relay J 1, normally-closed contact J2-1, load FZ, diode D7, diode D8, resistance R 25, K switch and the fuse 2A of relay J 2 are arranged in g, the executive circuit 7, and its effect is the power on/off of control load.
H, its annexation are:
The control executive circuit 3 of the signal circuit 2 of circuit stabilized voltage power supply indicating circuit 1 by voltage-stabiliser tube D1 two ends and protective circuit, protective circuit, the signal input circuit 4 and the main time-delay control executive circuit 5 of time-delay mechanism also connect, its two ends provide power supply for foregoing circuit, the signal circuit 2 of protective circuit is connected by resistance R 5 with the control executive circuit 3 of protective circuit, links to each other with the diode D4 upper end of the signal input circuit 4 of time-delay mechanism by resistance R 1 upper end simultaneously; The control executive circuit 3 of protective circuit is that power supply links to each other with the signal input circuit of time-delay mechanism 4; The signal input circuit 4 of time-delay mechanism links to each other by diode D4 lower end with main time-delay control executive circuit 5, and main time-delay control executive circuit 5 links to each other electric source filter circuit 6 and executive circuit 7 common DC Vcc power supplys by resistance R 24 with electric source filter circuit 6.
Claims (1)
1, a kind of locomotive traction motor main circuit time-delay disconnects controller; form by the signal circuit (2) of stabilized voltage power supply indicating circuit (1), protective circuit, the control executive circuit (3) of protective circuit, the signal input circuit (4) of time-delay mechanism, main time-delay control executive circuit (5), electric source filter circuit (6) and executive circuit (7), it is characterized in that:
In a, the stabilized voltage power supply indicating circuit (1) light-emitting diode Do, voltage-stabiliser tube D1 and resistance R o are arranged, it connects is light-emitting diode Do and resistance R o series connection back and voltage-stabiliser tube D1 parallel connection;
Resistance R 1, resistance R 2, triode BGo, electrochemical capacitor Co, resistance R 3, resistance R 4, resistance R 5 and rectifier diode D10 are arranged in the signal circuit of b, protective circuit (2), and it is the RC charging circuit;
Operational amplifier LM358, triode BG1, triode BG2 and contactor J2 coil are arranged in the control executive circuit (3) of c, protective circuit;
Resistor R 15, resistance R 14, diode D4, electrochemical capacitor C2 and IN3,5 are arranged in the signal input circuit of d, time-delay mechanism (4);
The coil that operational amplifier LM358A, triode BG3, triode BG4 and relay J 1 are arranged in e, the main time-delay control executive circuit (5);
In f, the electric source filter circuit (6) electrochemical capacitor C3, capacitor C 4, coil L and diode D are arranged;
The normally opened contact J1-1 of relay J 1, normally-closed contact J2-1, load FZ, diode D7, diode D8, resistance R 25, K switch and the fuse 2A of relay J 2 are arranged in g, the executive circuit (7);
H, its annexation are:
The control executive circuit (3) of the signal circuit (2) of circuit stabilized voltage power supply indicating circuit (1) by voltage-stabiliser tube D1 two ends and protective circuit, protective circuit, the signal input circuit (4) and the main time-delay control executive circuit (5) of time-delay mechanism also connect, its two ends provide power supply for foregoing circuit, the signal circuit of protective circuit (2) is connected by resistance R 5 with the control executive circuit (3) of protective circuit, links to each other with the diode D4 upper end of the signal input circuit (4) of time-delay mechanism by resistance R 1 upper end simultaneously; The control executive circuit (3) of protective circuit is that power supply links to each other with the signal input circuit (4) of time-delay mechanism; The signal input circuit of time-delay mechanism (4) links to each other by diode D4 lower end with main time-delay control executive circuit (5), main time-delay control executive circuit (5) links to each other by resistance R 24 with electric source filter circuit (6), electric source filter circuit (6) and executive circuit (7) common DC Vcc power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024832 CN2924768Y (en) | 2005-09-09 | 2005-09-09 | Locomotive traction motor main circuit time-delay cutoff controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520024832 CN2924768Y (en) | 2005-09-09 | 2005-09-09 | Locomotive traction motor main circuit time-delay cutoff controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2924768Y true CN2924768Y (en) | 2007-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520024832 Expired - Fee Related CN2924768Y (en) | 2005-09-09 | 2005-09-09 | Locomotive traction motor main circuit time-delay cutoff controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2924768Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953433A (en) * | 2020-08-31 | 2020-11-17 | 郑州铁路职业技术学院 | Railway interlocking signal management system |
-
2005
- 2005-09-09 CN CN 200520024832 patent/CN2924768Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953433A (en) * | 2020-08-31 | 2020-11-17 | 郑州铁路职业技术学院 | Railway interlocking signal management system |
| CN111953433B (en) * | 2020-08-31 | 2021-06-08 | 郑州铁路职业技术学院 | Railway interlocking signal management system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |