CN210155889U - Electronic simulator for five-wire system AC switch - Google Patents
Electronic simulator for five-wire system AC switch Download PDFInfo
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- CN210155889U CN210155889U CN201920229780.5U CN201920229780U CN210155889U CN 210155889 U CN210155889 U CN 210155889U CN 201920229780 U CN201920229780 U CN 201920229780U CN 210155889 U CN210155889 U CN 210155889U
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- current transformer
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Abstract
The utility model relates to an electronic simulation device for five-wire system exchanges goat, the device and goat control circuit connection, analogue means include: connecting an interface; the resistance is used for simulating the impedance of the three-phase motor winding inside the switch machine; a diode Z1 for constituting a representation loop; two relays for simulating the switches inside the switch machine; the four LED indicating lamps are respectively a positioning driving indicating lamp, a reverse indicating lamp and a positioning indicating lamp; and the primary sides of the four current transformers are connected in series in the main loop and used for inducing loop current, and the secondary sides of the four current transformers generate a control circuit. Compared with the prior art, the utility model has the advantages of small, light in weight, easy to assemble arranges.
Description
Technical Field
The utility model belongs to the technical field of the track traffic signal and specifically relates to an electronic simulation device that is used for five-wire system to exchange goat is related to.
Background
In the field of railway and rail traffic signals, a five-wire system alternating current switch machine has the model number of ZDJ9 and S700K-C, and has a plurality of disadvantages in the early stage of interlocking system interface debugging or scientific research and teaching of railway colleges:
1. the actual single switch machine has the installation area of at least 1m2, the weight of about 100kg and inconvenient installation.
2. The noise is too big when actual goat rotates, and moment is great when goat action pole is flexible during the rotation, has the personal safety hidden danger.
3. The actual switch machine is turned into position for a long time, typically around 6 s.
4. The actual switch machine positioning drive, positioning representation, reverse driving and reverse representation have no visual state indication.
5. The actual point switch has a complex structure, comprises a traditional three-phase motor, a sensor and a mechanical device, and has high price, and the price of each point switch reaches tens of thousands of RMB.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide an electronic analog device for a five-wire ac switch machine to overcome the above-mentioned drawbacks of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
an electronic analog device for a five wire ac switch machine, the device being connected to a switch machine control circuit, the analog device comprising:
interface connecting lines X1, X2, X3, X4 and X5 for connecting the switch machine control circuit;
resistors R1, R2, R3 for simulating the impedance of the three-phase motor winding inside the switch machine;
a diode Z1 for constituting a representation loop;
two relays Relay1, Relay2 for simulating the switches inside the switch machine;
the four LED indicator lamps LED1, LED2, LED3 and LED4 are respectively a positioning driving indicator lamp, a reverse indicating indicator lamp and a positioning indicating indicator lamp;
the four current transformers CT1, CT2, CT3 and CT4 are connected in series in a primary circuit and used for sensing loop current, and secondary circuits generate a control circuit.
Preferably, the simulation device further comprises a power resistor R4, and the power resistor R4 is connected in series with the diode Z1.
Preferably, the interface connection line X1 is connected to one end of a resistor R2 and one end of a resistor R3 through a resistor R1, the other end of the resistor R2 is connected between the current transformers CT1 and CT2, and the resistor R3 is connected between a second normally open node Relay1_ NO2 and a second normally closed node Relay1_ NC2 of the Relay 1.
Preferably, the anode of the diode Z1 is connected to one end of a second normally-open node Relay2_ NO2 of the Relay2 and one end of a current transformer CT4, the other end of the current transformer CT4 is connected to the interface connection line X2 through a first normally-closed node Relay2_ NC1 of the Relay2, the cathode of the diode Z1 is connected to one end of the current transformer CT3 and a second normally-closed node Relay2_ NC2 of the Relay2 through a power resistor R4, and the other end of the current transformer CT3 is connected to the interface connection line X3 through a first normally-open node Relay2_ NO1 of the Relay 2.
Preferably, one end of the current transformer CT1 is connected to the interface connection line X5 through a first normally-open node Relay1_ NO1 of a Relay1, the other end of the current transformer CT1 is connected to one end of the current transformer CT2, and the current transformer CT2 is connected to the interface connection line X4 through a first normally-closed node Relay1_ NC1 of the Relay 1;
the current transformer CT1 is connected with an LED1, the current transformer CT2 is connected with an LED2, the current transformer CT3 is connected with an LED3, and the current transformer CT4 is connected with an LED 4.
Preferably, the interface connection line X2 is connected to the second normally-closed node Relay1_ NC2 of the Relay1 through the second normally-open node Relay1_ NO2 of the Relay 1.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the electronic simulation device has small volume, light weight and convenient installation and arrangement.
(2) The electronic simulation device has no noise pollution when acting, and does not need protection in the aspect of personal safety.
(3) The electronic simulation device has short action in-place time and high operation efficiency.
(4) The electronic simulation device is provided with the indicating lamps to give corresponding state indication when simulating four states of positioning driving, positioning representation, reverse driving, reverse representation and the like, and is visual and convenient.
(5) The electronic simulation device has the advantages of simple structure, low price and higher economic value.
Drawings
Fig. 1 is a specific circuit diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
As shown in fig. 1, an electronic analog device for a five-wire ac switch machine, which is connected to a switch machine control circuit, for simulating the functions of positioning drive, positioning indication, inversion drive and inversion indication of the switch machine and giving corresponding status indicators, comprises:
the interface connecting lines X1, X2, X3, X4 and X5 are used for connecting the switch machine control circuit;
resistors R1, R2 and R3 for simulating the impedance of the three-phase motor winding inside the switch machine
A diode Z1 for forming a representation loop;
the Relay comprises two relays, namely Relay1 and Relay2, wherein each Relay is provided with 2 normally closed nodes NC and 2 normally open nodes NO which are used for simulating a switch inside the switch machine;
the four LED indicator lamps LED1, LED2, LED3 and LED4 are respectively a positioning driving indicator lamp, a reverse indicating indicator lamp and a positioning indicating indicator lamp;
the four current transformers CT1, CT2, CT3 and CT4 are connected in series in a primary loop and used for sensing loop current, and secondary generation control circuits are used for controlling Relay1, Relay2, LED1, LED2, LED3 and LED 4.
The simulation device also comprises a power resistor R4, wherein the power resistor R4 is connected with the diode Z1 in series and used for limiting the current representing the loop so as to protect the diode Z1 from overcurrent damage.
The interface connecting line X1 is respectively connected with one end of a resistor R2 and one end of a resistor R3 through a resistor R1, the other end of the resistor R2 is connected between a current transformer CT1 and a current transformer CT2, and the resistor R3 is connected between a second normally open node Relay1_ NO2 and a second normally closed node Relay1_ NC2 of the Relay Relay 1.
The anode of the diode Z1 is connected with one end of a second normally-open node Relay2_ NO2 and one end of a current transformer CT4 of the Relay Relay2, the other end of the current transformer CT4 is connected with an interface connecting line X2 through a first normally-closed node Relay2_ NC1 of the Relay Relay2, the cathode of the diode Z1 is connected with one end of the current transformer CT3 and a second normally-closed node Relay2_ NC2 of the Relay Relay2 through a power resistor R4, and the other end of the current transformer CT3 is connected with the interface connecting line X3 through a first normally-open node Relay2_ NO1 of the Relay Relay 2.
One end of the current transformer CT1 is connected with an interface connecting line X5 through a first normally-open node Relay1_ NO1 of a Relay Relay1, the other end of the current transformer CT1 is connected with one end of a current transformer CT2, and the current transformer CT2 is connected with the interface connecting line X4 through a first normally-closed node Relay1_ NC1 of the Relay Relay 1;
the current transformer CT1 is connected with an LED1, the current transformer CT2 is connected with an LED2, the current transformer CT3 is connected with an LED3, and the current transformer CT4 is connected with an LED 4.
The interface connecting line X2 is connected with a second normally-closed node Relay1_ NC2 of the Relay Relay1 through a second normally-open node Relay1_ NO2 of the Relay Relay 1.
The utility model discloses the state that goat initial position of simulation expressed in the location, precedence between each state represent- > counterpoint drive- > counterpoint representation- > location drive for the location, according to figure 1, how to simulate each operating condition of goat as follows respectively:
the positioning representation is simulated as follows:
110VAC fire line L- > X1- > R1;
zero line N- > X2- > Relay2_ NC1- > CT4- > Z1- > R4- > Relay2_ NC2- > R3 of 110 VAC;
zero line N- > X4- > Relay1_ NC1- > CT2- > R2 of 110 VAC;
the control circuit is used for lighting the LED4 after the current is sensed by the secondary coil of the current transformer CT4, and the current state is indicated to be a positioning representation state.
The inversion driving simulation is as follows:
phase a of 380VAC three-phase power: x1- > R1;
phase B of 380VAC three-phase power: x4- > Relay1_ NC1- > CT2- > R2;
phase C of 380VAC three-phase power: x3- > Relay1_ NC2- > R3;
after the current is induced by the secondary coil of the current transformer CT2, the control circuit is used for lighting the LED2 and driving the relays Relay1 and Relay2 to suck up, and the lighted LED2 is used for indicating that the current driving state is the reverse driving state. At this time, the normally open nodes NO of the relays Relay1 and Relay2 are both closed, the normally closed node NC is both opened, and the lit LED2 is turned off after the Relay1 is sucked up.
The inversion represents the driving simulation as follows:
110VAC fire line L- > X1- > R1;
zero line N- > X3- > Relay2_ NO1- > CT3- > R4- > Z1- > Relay2_ NO2- > R3 of 110 VAC;
zero line N- > X5- > Relay1_ NO1- > CT1- > R2 of 110 VAC;
the control circuit is used for lighting the LED3 after the current is sensed by the secondary coil of the current transformer CT3, and the current state is indicated to be a reverse-position indicating state.
The positioning drive is simulated as follows:
phase a of 380VAC three-phase power: x1- > R1;
phase C of 380VAC three-phase power: x5- > Relay1_ NO1- > CT1- > R2;
phase B of 380VAC three-phase power: x2- > Relay1_ NO2- > R3;
after the current is induced by the secondary coil of the current transformer CT1, the control circuit is used for lighting the LED1 and controlling the relays Relay1 and Relay2 to fall down, the lighted LED1 is used for indicating that the current state is a positioning driving state, at the moment, the normally open nodes NO of the relays Relay1 and Relay2 are both opened, and the normally closed node NC is both closed; the lit LED1 goes off when the Relay1 falls.
The utility model has the advantages of it is following:
(1) the single body is small in size, the plate clamping type design is adopted, the length is 340mm, the width is 233.35mm, the weight of the single body is not more than 500g, only one connector is arranged outside, the installation is convenient, and the space is saved.
(2) The electronic simulation device has no noise, no mechanical devices such as action rods and the like when simulating the action of the point switch, and no potential safety hazard to human bodies.
(3) The time for simulating the switch machine to move in place is shorter than 1 s.
(4) When the states of the switch machine positioning drive, the positioning representation, the reverse position drive, the reverse position representation and the like are simulated, an indicator lamp gives the current state.
(5) The electronic simulation device is composed of pure electronic elements, and has the advantages of simple structure, low price and high quality, and the price of the single body is less than 1000 yuan RMB.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An electronic analog device for a five-wire ac switch machine, the device being connected to a switch machine control circuit, said analog device comprising:
interface connecting lines X1, X2, X3, X4 and X5 for connecting the switch machine control circuit;
resistors R1, R2, R3 for simulating the impedance of the three-phase motor winding inside the switch machine;
a diode Z1 for constituting a representation loop;
two relays Relay1, Relay2 for simulating the switches inside the switch machine;
the four LED indicator lamps LED1, LED2, LED3 and LED4 are respectively a positioning driving indicator lamp, a reverse indicating indicator lamp and a positioning indicating indicator lamp;
the four current transformers CT1, CT2, CT3 and CT4 are connected in series in a primary circuit and used for sensing loop current, and secondary circuits generate a control circuit.
2. An electronic analog device for a five-wire ac switch machine as claimed in claim 1, characterized in that said analog device further comprises a power resistor R4, the power resistor R4 being connected in series with a diode Z1.
3. An electronic analog device for a five-wire ac switch machine as claimed in claim 1, wherein said interface connection X1 is connected to one end of a resistor R2 and one end of a resistor R3 through a resistor R1, respectively, the other end of said resistor R2 is connected between a current transformer CT1 and a current transformer CT2, and said resistor R3 is connected between a second normally open node Relay1_ NO2 and a second normally closed node Relay1_ NC2 of the Relay 1.
4. The electronic analog device for a five-wire system alternating current switch machine according to claim 2, characterized in that the anode of the diode Z1 is connected with the second normally open node Relay2_ NO2 of the Relay2 and one end of the current transformer CT4 respectively, the other end of the current transformer CT4 is connected with the interface connection X2 through the first normally closed node Relay2_ NC1 of the Relay2, the cathode of the diode Z1 is connected with one end of the current transformer CT3 and the second normally closed node Relay2_ NC2 of the Relay2 through the power resistor R4 respectively, and the other end of the current transformer CT3 is connected with the interface connection X3 through the first normally open node Relay2_ NO1 of the Relay 2.
5. An electronic analog device for a five-wire system ac switch machine according to claim 1, characterized in that one end of the current transformer CT1 is connected to the interface line X5 through the first normally open node Relay1_ NO1 of the Relay1, the other end of the current transformer CT1 is connected to one end of the current transformer CT2, the current transformer CT2 is connected to the interface line X4 through the first normally closed node Relay1_ NC1 of the Relay 1;
the current transformer CT1 is connected with an LED1, the current transformer CT2 is connected with an LED2, the current transformer CT3 is connected with an LED3, and the current transformer CT4 is connected with an LED 4.
6. An electronic analog device for a five-wire ac switch machine as claimed in claim 1, characterized in that said interface line X2 is connected to the second normally closed node Relay1_ NC2 of the Relay1 through the second normally open node Relay1_ NO2 of the Relay 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229780.5U CN210155889U (en) | 2019-02-21 | 2019-02-21 | Electronic simulator for five-wire system AC switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229780.5U CN210155889U (en) | 2019-02-21 | 2019-02-21 | Electronic simulator for five-wire system AC switch |
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| CN210155889U true CN210155889U (en) | 2020-03-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872593A (en) * | 2019-02-21 | 2019-06-11 | 卡斯柯信号有限公司 | A kind of electronic simulation for five-wire system exchange goat |
| CN113759772A (en) * | 2021-08-16 | 2021-12-07 | 北京和利时系统工程有限公司 | Automatic simulation device and operation method of three-phase five-wire system alternating current switch machine |
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2019
- 2019-02-21 CN CN201920229780.5U patent/CN210155889U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872593A (en) * | 2019-02-21 | 2019-06-11 | 卡斯柯信号有限公司 | A kind of electronic simulation for five-wire system exchange goat |
| CN109872593B (en) * | 2019-02-21 | 2023-11-07 | 卡斯柯信号有限公司 | Electronic simulation device for five-wire alternating current switch machine |
| CN113759772A (en) * | 2021-08-16 | 2021-12-07 | 北京和利时系统工程有限公司 | Automatic simulation device and operation method of three-phase five-wire system alternating current switch machine |
| CN113759772B (en) * | 2021-08-16 | 2024-01-30 | 北京和利时系统工程有限公司 | Automatic simulation device and operation method of three-phase five-wire system alternating current switch machine |
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