CN215494037U - Direct current type turnout control circuit fault monitoring device - Google Patents
Direct current type turnout control circuit fault monitoring device Download PDFInfo
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- CN215494037U CN215494037U CN202122141513.2U CN202122141513U CN215494037U CN 215494037 U CN215494037 U CN 215494037U CN 202122141513 U CN202122141513 U CN 202122141513U CN 215494037 U CN215494037 U CN 215494037U
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Abstract
The utility model discloses a direct-current turnout control circuit fault monitoring device, which comprises a shell, a monitoring circuit and an operation circuit, wherein the monitoring circuit and the operation circuit are arranged in the shell, the monitoring circuit comprises a starting circuit monitoring circuit and a display circuit monitoring circuit, the starting circuit monitoring circuit indirectly enters a voltage meter respectively at X1 and X4, X2 and X4, X5 and X4, X6 and X4, the display circuit monitoring circuit indirectly enters the voltage meter respectively at X1 and X3, X2 and X3, and a universal change-over switch indirectly enters a diode respectively at X1 and X3, X2 and X3; the control circuit comprises a starting circuit control circuit and a representation circuit control circuit, wherein the starting circuit control circuit is externally connected with an alternating current 220V power supply, is internally provided with a rectifier bridge, and is used for supplying power to X1, X4, X5 or X2, X4 and X6 under the control of a universal change-over switch; the indicating circuit control circuit is externally connected with an alternating current 220V power supply, a transformer is arranged in the indicating circuit, power is supplied to X1, X3 or X2 and X3 under the control of a universal change-over switch, and the positions of turnouts are displayed by using light emitting diodes. And the turnout is monitored and controlled in real time, and the fault is accurately judged.
Description
Technical Field
The utility model relates to the technical field of turnout control circuit monitoring, in particular to a fault monitoring device for a direct-current turnout control circuit.
Background
The track signal can be said to be the eyes of track traffic transportation, also can be said to be the nervous system of track traffic transportation system, has very important effect to the safe operation of assurance train. The turnout is the main equipment for controlling the running direction of the train, and the turnout is pulled by the point switch to act and be locked, so that the train is ensured to be opened to a correct station track.
The turnout control circuit in the switch machine is used for being matched with a turnout control system (an interlocking system) to realize the conversion of the turnout and indicate the locking state and the position information of the turnout in real time, and is key equipment influencing the safety and the operation efficiency in rail transit. The safety and reliability of the turnout control circuit directly determine the safety and reliability of the turnout, and further directly influence the safety and reliability of a rail transit system.
The switch control circuit is divided into a starting circuit and a display circuit. The starting circuit is a circuit for operating the electric switch machine, and the indicating circuit is a circuit for reflecting the position of the turnout to the signal building. In order to guarantee the safety and reliability of the rail transit system, fault monitoring and finding are needed to be carried out on the turnout control circuit.
At present, the fault monitoring of a turnout control circuit has the following problems:
the turnout control circuit is relatively complex, and common workers are difficult to master tests and process faults.
And when the turnout control circuit works abnormally, the fault reason can not be visually judged.
Thirdly, the time consumption for measuring and judging the fault point by using a multimeter is long, and the instantaneous voltage is difficult to capture.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the fault monitoring of the existing turnout control circuit is difficult, the utility model innovatively provides a direct-current turnout control circuit fault monitoring device, which can realize the accurate judgment of the turnout control circuit fault range and improve the working efficiency by monitoring and controlling the turnout in real time.
In order to achieve the technical purpose, the utility model discloses a direct current type turnout control circuit fault monitoring device, which comprises a shell, a monitoring circuit and an operating circuit, wherein the monitoring circuit is connected when the turnout control circuit in the shell normally works, the operating circuit is connected when the turnout control circuit cannot normally work,
the monitoring circuit comprises a starting circuit monitoring circuit and a display circuit monitoring circuit, the starting circuit monitoring circuit comprises a direct current voltmeter V1, a direct current voltmeter V2, a direct current voltmeter V3 and a direct current voltmeter V4, two ends of the direct current voltmeter V1 are respectively connected with output ends X1 and X4 of the turnout control circuit, two ends of the direct current voltmeter V2 are respectively connected with output ends X2 and X4 of the turnout control circuit, two ends of the direct current voltmeter V3 are respectively connected with output ends X5 and X4 of the turnout control circuit, and two ends of the direct current voltmeter V4 are respectively connected with output ends X6 and X4 of the turnout control circuit; the indication circuit monitoring circuit comprises a direct-current voltmeter V5, a direct-current voltmeter V6, a universal change-over switch K, a first diode and a second diode, wherein two ends of the direct-current voltmeter V5 are respectively connected with output ends X1 and X3 of the turnout control circuit, two ends of the direct-current voltmeter V6 are respectively connected with output ends X2 and X3 of the turnout control circuit, a first group of connection points and a first diode of the universal change-over switch K are connected between X1 and X3 in series, and the first group of connection points and the first diode of the universal change-over switch K are connected with the direct-current voltmeter V5 in parallel; a second group of connection points and a second diode of a universal change-over switch K are connected between the X2 and the X3 in series, and the second group of connection points and the second diode of the universal change-over switch K are connected with the direct-current voltmeter V6 in parallel;
the control circuit comprises a starting circuit control circuit and a display circuit control circuit, the starting circuit control circuit comprises a rectifier bridge, an alternating current voltmeter V7, a direct current voltmeter V8, a direct current ammeter A, a universal changeover switch K1 and a universal changeover switch K2, 1 pin and 2 pins of the rectifier bridge are connected with an alternating current 220V power supply and the alternating current voltmeter V7 in parallel, 3 pins and 4 pins of the rectifier bridge are connected with a direct current voltmeter V8 in parallel, 3 pins of the rectifier bridge are connected with a second group of contacts of the universal changeover switch K1 in series and are connected with an output end X4 of the turnout control circuit, 4 pins of the rectifier bridge are connected with the direct current ammeter A, a first group of contacts of the universal changeover switch K1 and a first group of contacts of the universal changeover switch K2 in series and are connected with an output end X1 of the turnout control circuit, 4 pins of the rectifier bridge are connected with the direct current ammeter A, the first group of the universal changeover switch K1 and the first group of contacts of the universal changeover switch K2 in series and are connected with an output end X2 of the turnout control circuit, the 4 feet of the rectifier bridge are connected in series with the DC ammeter A, the third group of contacts of the universal change-over switch K1 and the second group of contacts of the universal change-over switch K2 and are connected with the output end X5 of the turnout control circuit, and the 4 feet of the rectifier bridge are connected in series with the DC ammeter A, the third group of contacts of the universal change-over switch K1 and the second group of contacts of the universal change-over switch K2 and are connected with the output end X6 of the turnout control circuit;
the indication circuit control circuit comprises a transformer, a universal change-over switch K1, a universal change-over switch K2 and two light-emitting diodes, two input ends of the transformer are respectively connected with an alternating current 220V power supply, a first output end of the transformer is connected in series with a parallel circuit formed by connecting the two light-emitting diodes in parallel, a third group of connecting points of the universal change-over switch K2 and a fourth group of connecting points of the universal change-over switch K1 and is connected with an output end X3 of the turnout control circuit, the directions of the two light-emitting diodes are opposite, and the two light-emitting diodes are different in display light color; the second output end of the transformer is connected in series with the first group of connection points of the universal change-over switch K1 and the second group of connection points of the universal change-over switch K2 and is connected with the output end X1 of the turnout control circuit, and the second output end of the transformer is connected in series with the first group of connection points of the universal change-over switch K1 and the second group of connection points of the universal change-over switch K2 and is connected with the output end X2 of the turnout control circuit.
Further, a fuse RD1 is connected in series with the series circuit of the universal changeover switch K and the first diode between X1 and X3.
Further, a fuse RD2 is connected in series with a series circuit of the universal changeover switch K and the second diode between X2 and X3.
Further, the display light colors of the two light emitting diodes are yellow and green, respectively.
Further, an alternating current fuse RD3 is connected in series between the alternating current 220V power supply and the 1 pin of the rectifier bridge.
Further, an alternating current fuse RD4 is connected in series between the alternating current 220V power supply and the 2 feet of the rectifier bridge.
Further, a direct current fuse RD5 is connected in series between the 4 pins of the rectifier bridge and the direct current meter a.
Further, an ac fuse RD6 is connected in series between the parallel circuit formed by the two light emitting diodes and the transformer.
Further, the housing is a plastic housing.
The utility model has the beneficial effects that:
the fault monitoring device for the direct-current turnout control circuit realizes accurate judgment of the fault range of the turnout control circuit by monitoring and controlling turnouts in real time, and improves the working efficiency.
The fault monitoring device of the direct-current turnout control circuit has the monitoring function and the operation function, and the monitoring circuit monitors the starting and indicates the working state of the circuit under the principle that the normal working of the turnout control circuit is not interfered; the control circuit controls the action of the switch machine, tests the starting of the switch machine and represents the working state of the circuit. The method is suitable for all kinds of direct current turnouts in China, and the fault range of the turnout control circuit can be visually and accurately judged through the display of the lamp and the meter. By simplifying the circuit, common workers can more easily master the monitoring method, and the workload of technicians is reduced.
Drawings
Fig. 1 is a schematic circuit diagram of a monitoring circuit of a fault monitoring device of a direct-current turnout control circuit according to an embodiment of the utility model;
fig. 2 is a schematic circuit diagram of the operating circuit of the fault monitoring device of the direct current type turnout control circuit according to the embodiment of the utility model.
Detailed Description
The fault monitoring device for the direct-current turnout control circuit provided by the utility model is explained and explained in detail below with reference to the attached drawings of the specification.
This embodiment specifically discloses a direct current type switch control circuit fault monitoring device, including the monitoring circuit that switch control circuit in casing and casing put through when normal work and the control circuit that switch control circuit can't put through when normal work. In this embodiment, the casing is plastic housing, and insulating material guarantees the power consumption safety, and the quality is light for the device is light, portable.
The monitoring circuit is connected when the switch control circuit works normally, the electronic elements of the monitoring circuit are connected to the distribution terminals X1-X6 of the distribution panel and the switch box, and X1-X6 correspond to cables of the switch. As shown in fig. 1, the monitoring circuit includes a start circuit monitoring circuit and a display circuit monitoring circuit, the start circuit monitoring circuit includes a dc voltmeter V1, a dc voltmeter V2, a dc voltmeter V3 and a dc voltmeter V4, two ends of the dc voltmeter V1 are respectively connected with the output terminals X1 and X4 of the turnout control circuit, two ends of the dc voltmeter V2 are respectively connected with the output terminals X2 and X4 of the turnout control circuit, two ends of the dc voltmeter V3 are respectively connected with the output terminals X5 and X4 of the turnout control circuit, and two ends of the dc voltmeter V4 are respectively connected with the output terminals X6 and X4 of the turnout control circuit; and a direct-current voltmeter is connected between the cables, so that the voltage between the cables of the starting circuit is monitored, and the real-time monitoring of the starting circuit is realized. The indicating circuit monitoring circuit comprises a direct-current voltmeter V5, a direct-current voltmeter V6, a universal change-over switch K, a first diode and a second diode, wherein the universal change-over switch K is a 4-group connection point change-over switch, two ends of a direct-current voltmeter V5 are respectively connected with output ends X1 and X3 of the turnout control circuit, two ends of a direct-current voltmeter V6 are respectively connected with output ends X2 and X3 of the turnout control circuit, a first group of connection points and a first diode of the universal change-over switch K are further connected between X1 and X3 in series, and the first group of connection points and the first diode of the universal change-over switch K are connected with the direct-current voltmeter V5 in parallel; a second group of connection points and a second diode of the universal change-over switch K are connected between the X2 and the X3 in series, and the second group of connection points and the second diode of the universal change-over switch K are connected with the direct current voltmeter V6 in parallel; the voltage between the cable of the indicating circuit is monitored through a direct-current voltmeter V5 and a direct-current voltmeter V6, the turnout indicating circuit is monitored in real time, and turnout diodes are respectively accessed between X1 and X3, and between X2 and X3 through a universal change-over switch K, so that the function of analog test of the indicating circuit is realized. When the turnout is operated, the universal change-over switch K is in a disconnected state. A fuse RD1 is connected in series with a series circuit of the universal change-over switch K and the first diode between X1 and X3, and overcurrent protection is carried out on the first diode; a fuse RD2 is connected in series with a series circuit of the universal changeover switch K and the second diode between the X2 and the X3, and carries out overcurrent protection on the second diode.
When the switch control circuit does not have normal working conditions, indoor wiring is removed from wiring terminals X1-X6 of the distribution board and the switch box, and then electronic components of the control circuit are connected, and the control circuit is connected. The test to starting circuit and presentation circuit is realized, possesses the voltage test of external power supply simultaneously, switch starting current test and switch state display function.
As shown in fig. 2, the control circuit includes a start circuit control circuit and a representation circuit control circuit, the start circuit control circuit includes a rectifier bridge Z, an ac voltmeter V7, a dc voltmeter V8, a dc ammeter a, a universal transfer switch K1 and a universal transfer switch K2, the universal transfer switches K1 and K2 are 1 pin and 2 pin of a rectifier bridge Z of 4 sets of contact transfer switches and are connected in parallel with an ac 220V power supply and an ac voltmeter V7, 3 pin and 4 pin of the rectifier bridge Z are connected in parallel with the dc voltmeter V8, the rectifier bridge Z changes the ac 220V power supply into the dc 220V start power supply, the ac voltmeter V7 tests an external power supply, and the dc voltmeter V8 tests a start power supply; the 3 feet of the rectifier bridge Z are connected in series with a second group of contacts of the universal change-over switch K1 and are connected with the output end X4 of the turnout control circuit; the 4 feet of the rectifier bridge Z are connected in series with a direct current ammeter A, a first group of connection points of a universal change-over switch K1 and a first group of connection points of a universal change-over switch K2 and are connected with an output end X1 of a turnout control circuit, the 4 feet of the rectifier bridge Z are connected in series with the direct current ammeter A, the first group of connection points of the universal change-over switch K1 and the first group of connection points of the universal change-over switch K2 and are connected with an output end X2 of the turnout control circuit, 3 contacts of the first group of connection points of the universal change-over switch K2 are respectively connected with one contact of the first group of connection points of the universal change-over switch K1, X1 and X2, and switching between electrifying to X1 or X2 is realized through connection among the contacts of K2; specifically, as shown in fig. 2, the stationary contact K1-12 of the first group of contacts of the universal switch K1 is connected to the dc current meter a, the movable contact K2-11 of the first group of contacts of the universal switch K2 is connected to the movable contact K1-11 of the first group of contacts of the universal switch K1, the stationary contact K2-13 of the first group of contacts of the universal switch K2 is connected to X1, and the stationary contact K2-12 of the first group of contacts of the universal switch K2 is connected to X2, thereby controlling the supply of power to X1 or X2. The 4 feet of the rectifier bridge Z are connected in series with the direct current ammeter A, the third group of connecting points of the universal change-over switch K1 and the second group of connecting points of the universal change-over switch K2 and are connected with the output end X5 of the turnout control circuit, and the 4 feet of the rectifier bridge Z are connected in series with the direct current ammeter A, the third group of connecting points of the universal change-over switch K1 and the second group of connecting points of the universal change-over switch K2 and are connected with the output end X6 of the turnout control circuit; 3 contacts of the second group of contacts of the universal change-over switch K2 are respectively connected with one contact of the third group of contacts of the universal change-over switch K1, X5 and X6, and switching between electrifying the X5 or X6 is realized through connection among the contacts of the second group of contacts of the K2; specifically, as shown in fig. 2, the movable contacts K2-21 of the second group of contacts of the universal switch K2 are connected with the third group of contacts of the universal switch K1, the stationary contacts K2-22 of the second group of contacts of the universal switch K2 are connected with X5, and the stationary contacts K2-23 of the second group of contacts of the universal switch K2 are connected with X6, thereby controlling the power supply to X5 or X6. The power supply is started through a test of a direct current ammeter A, and power is supplied to X1, X4 and X5 or X2, X4 and X6 under the control of universal change-over switches K1 and K2.
In this embodiment, an ac fuse RD3 is connected in series between the ac 220V power supply and pin 1 of the rectifier bridge Z. An alternating current fuse RD4 is connected in series between the alternating current 220V power supply and the 2 feet of the rectifier bridge Z. A direct current fuse RD5 is connected in series between the 4 pins of the rectifier bridge Z and the direct current meter A. And a fuse is arranged to perform overcurrent protection on the external power supply and the starting power supply.
The indicating circuit control circuit comprises a transformer BB, a universal change-over switch K1, a universal change-over switch K2 and two light-emitting diodes, wherein two input ends of the transformer BB are respectively connected with an alternating current 220V power supply, and the transformation ratio of the transformer is 220: 24, transformer BB changes the ac 220V power supply to ac 24V representation power supply; the first output end 3 of the transformer BB is connected in series with a parallel circuit formed by two light emitting diodes in parallel, a third group of connection points of a universal change-over switch K2 and a fourth group of connection points of a universal change-over switch K1 and is connected with the output end X3 of the turnout control circuit, the two light emitting diodes are arranged in opposite directions, the display light colors of the two light emitting diodes are different, and the two light emitting diodes FB and DB display the turnout position; specifically, as shown in fig. 2, the movable contacts K3-31 of the third group of contacts of the universal switch K2 are connected with the fourth group of contacts of the universal switch K1, and the fixed contacts K3-32 and K3-33 of the third group of contacts of the universal switch K2 are respectively connected with two light emitting diodes. The second output terminal 4 of the transformer BB is connected in series with the first set of contacts of the universal changeover switch K1 and the second set of contacts of the universal changeover switch K2 and with the output terminal X1 of the turnout control circuit, the second output terminal 4 of the transformer BB is connected in series with the first set of contacts of the universal changeover switch K1 and the second set of contacts of the universal changeover switch K2 and with the output terminal X2 of the turnout control circuit, specifically, as shown in fig. 2, the second output terminal 4 of the transformer BB is connected with the fixed contacts K1-13 of the first set of contacts of the universal changeover switch K1, the movable contacts K2-11 of the first set of contacts of the universal changeover switch K2 are connected with the movable contacts K1-11 of the first set of contacts of the universal changeover switch K1, the fixed contacts K2-13 of the first set of contacts of the universal changeover switch K2 are connected with X1, the fixed contacts K2-12 of the first set of the fixed contacts of the universal changeover switch K2 are connected with X2, and power supply to X1 and X3 or X2 and X3 is controlled by universal change-over switches K1 and K2.
The display light colors of the two light-emitting diodes are respectively yellow and green, and different colors display different states of the turnout. If green, positioning switches are indicated, and yellow, reversing switches are indicated.
An alternating current fuse RD6 is connected in series between a parallel circuit formed by two light emitting diodes and a transformer BB for overcurrent protection.
In the present embodiment, when X1, X4, and X5 are turned on, a positioning action is performed; when X2, X4, and X6 are turned on, a flip action is performed; when X1 and X3 are on, it is a positioning indication; when X2 and X3 are on, they are inverted; therefore, the positioning and the inversion can be clearly and accurately judged according to the light-emitting color of the light-emitting diode.
The fault monitoring device of the direct-current turnout control circuit is suitable for six-wire turnouts. The universal transfer switches of this embodiment are all 4 sets of 5A universal transfer switches with contacts, direct-current voltmeters V1, V2, V3, V4, V5 and V6 are direct-current 220V voltmeters, fuses RD1 and RD2 are direct-current 0.5A fuses, first and second diodes are direct-current diodes, a rectifier bridge is a 5A rectifier bridge, an alternating-current 220V power supply is changed into a direct-current 220V starting power supply, and the voltage transformation ratio of a transformer is 220: 24, the transformer changes the alternating current 220V power supply into the alternating current 24V power supply. The light emitting diode is a direct current 24V light emitting diode, the fuses RD3 and RD4 are alternating current 5A breakers, the fuse RD5 is a direct current 5A fuse, and the fuse RD6 is an alternating current 0.5A fuse.
The universal change-over switches K, K1 and K2, the light-emitting diode, the voltmeter and the ammeter are all protruded out of the shell, so that the operation and observation are convenient.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "the present embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A fault monitoring device for a direct-current turnout control circuit is characterized by comprising a shell, a monitoring circuit which is connected when the turnout control circuit in the shell normally works, and an operating circuit which is connected when the turnout control circuit cannot normally work,
the monitoring circuit comprises a starting circuit monitoring circuit and a display circuit monitoring circuit, the starting circuit monitoring circuit comprises a direct current voltmeter V1, a direct current voltmeter V2, a direct current voltmeter V3 and a direct current voltmeter V4, two ends of the direct current voltmeter V1 are respectively connected with output ends X1 and X4 of the turnout control circuit, two ends of the direct current voltmeter V2 are respectively connected with output ends X2 and X4 of the turnout control circuit, two ends of the direct current voltmeter V3 are respectively connected with output ends X5 and X4 of the turnout control circuit, and two ends of the direct current voltmeter V4 are respectively connected with output ends X6 and X4 of the turnout control circuit; the indication circuit monitoring circuit comprises a direct-current voltmeter V5, a direct-current voltmeter V6, a universal change-over switch K, a first diode and a second diode, wherein two ends of the direct-current voltmeter V5 are respectively connected with output ends X1 and X3 of the turnout control circuit, two ends of the direct-current voltmeter V6 are respectively connected with output ends X2 and X3 of the turnout control circuit, a first group of connection points and a first diode of the universal change-over switch K are connected between X1 and X3 in series, and the first group of connection points and the first diode of the universal change-over switch K are connected with the direct-current voltmeter V5 in parallel; a second group of connection points and a second diode of a universal change-over switch K are connected between the X2 and the X3 in series, and the second group of connection points and the second diode of the universal change-over switch K are connected with the direct-current voltmeter V6 in parallel;
the control circuit comprises a starting circuit control circuit and a display circuit control circuit, the starting circuit control circuit comprises a rectifier bridge, an alternating current voltmeter V7, a direct current voltmeter V8, a direct current ammeter A, a universal changeover switch K1 and a universal changeover switch K2, 1 pin and 2 pins of the rectifier bridge are connected with an alternating current 220V power supply and the alternating current voltmeter V7 in parallel, 3 pins and 4 pins of the rectifier bridge are connected with a direct current voltmeter V8 in parallel, 3 pins of the rectifier bridge are connected with a second group of contacts of the universal changeover switch K1 in series and are connected with an output end X4 of the turnout control circuit, 4 pins of the rectifier bridge are connected with the direct current ammeter A, a first group of contacts of the universal changeover switch K1 and a first group of contacts of the universal changeover switch K2 in series and are connected with an output end X1 of the turnout control circuit, 4 pins of the rectifier bridge are connected with the direct current ammeter A, the first group of the universal changeover switch K1 and the first group of contacts of the universal changeover switch K2 in series and are connected with an output end X2 of the turnout control circuit, the 4 feet of the rectifier bridge are connected in series with the DC ammeter A, the third group of contacts of the universal change-over switch K1 and the second group of contacts of the universal change-over switch K2 and are connected with the output end X5 of the turnout control circuit, and the 4 feet of the rectifier bridge are connected in series with the DC ammeter A, the third group of contacts of the universal change-over switch K1 and the second group of contacts of the universal change-over switch K2 and are connected with the output end X6 of the turnout control circuit;
the indication circuit control circuit comprises a transformer, a universal change-over switch K1, a universal change-over switch K2 and two light-emitting diodes, two input ends of the transformer are respectively connected with an alternating current 220V power supply, a first output end of the transformer is connected in series with a parallel circuit formed by connecting the two light-emitting diodes in parallel, a third group of connecting points of the universal change-over switch K2 and a fourth group of connecting points of the universal change-over switch K1 and is connected with an output end X3 of the turnout control circuit, the directions of the two light-emitting diodes are opposite, and the two light-emitting diodes are different in display light color; the second output end of the transformer is connected with the first group of connection points of the universal change-over switch K1 and the second group of connection points of the universal change-over switch K2 in series and is connected with the output end X1 of the turnout control circuit, and the second output end of the transformer BB is connected with the first group of connection points of the universal change-over switch K1 and the second group of connection points of the universal change-over switch K2 in series and is connected with the output end X2 of the turnout control circuit.
2. The fault monitoring device for the direct current type switch control circuit of claim 1, wherein a fuse RD1 is further connected in series with the series circuit of the universal changeover switch K and the first diode between X1 and X3.
3. The fault monitoring device for the direct-current type turnout control circuit according to claim 1 or 2, wherein a fuse RD2 is further connected in series with the series circuit of the universal changeover switch K and the second diode between X2 and X3.
4. The fault monitoring device for the direct current type switch control circuit according to claim 1, wherein the display light colors of the two light emitting diodes are yellow and green, respectively.
5. The fault monitoring device for the direct-current turnout control circuit according to claim 1, wherein an alternating current fuse RD3 is connected in series between an alternating current 220V power supply and a pin 1 of the rectifier bridge.
6. The device for monitoring the fault of the direct current type turnout control circuit according to claim 1 or 5, wherein an alternating current fuse RD4 is connected in series between the alternating current 220V power supply and the 2 feet of the rectifier bridge.
7. The fault monitoring device for the direct-current turnout control circuit according to claim 1, wherein a direct-current fuse RD5 is connected in series between the 4 pins of the rectifier bridge and the direct-current ammeter A.
8. The fault monitoring device for a dc type switch control circuit according to claim 1, wherein an ac fuse RD6 is connected in series between the parallel circuit formed by two light emitting diodes and the transformer.
9. The switch control circuit fault monitoring device of the direct current type as claimed in claim 1, wherein said housing is a plastic housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141513.2U CN215494037U (en) | 2021-09-06 | 2021-09-06 | Direct current type turnout control circuit fault monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141513.2U CN215494037U (en) | 2021-09-06 | 2021-09-06 | Direct current type turnout control circuit fault monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494037U true CN215494037U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122141513.2U Active CN215494037U (en) | 2021-09-06 | 2021-09-06 | Direct current type turnout control circuit fault monitoring device |
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| Country | Link |
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| CN (1) | CN215494037U (en) |
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2021
- 2021-09-06 CN CN202122141513.2U patent/CN215494037U/en active Active
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