CN102778621A - Portable test device for direct-current turnout switch machines - Google Patents

Portable test device for direct-current turnout switch machines Download PDF

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Publication number
CN102778621A
CN102778621A CN2012102576948A CN201210257694A CN102778621A CN 102778621 A CN102778621 A CN 102778621A CN 2012102576948 A CN2012102576948 A CN 2012102576948A CN 201210257694 A CN201210257694 A CN 201210257694A CN 102778621 A CN102778621 A CN 102778621A
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China
Prior art keywords
switch
pin
goat
output end
power output
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Pending
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CN2012102576948A
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Chinese (zh)
Inventor
罗伟
甄德东
周珩
孙刚
于士海
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CR10G ELECTRIC ENGINEERING Co Ltd
Electrical Engineering Co Ltd of China Railway No 10 Engineering Group Co Ltd
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CR10G ELECTRIC ENGINEERING Co Ltd
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Priority to CN2012102576948A priority Critical patent/CN102778621A/en
Publication of CN102778621A publication Critical patent/CN102778621A/en
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Abstract

The invention provides a portable test device for direct-current turnout switch machines. By the aid of the device, an integral action process of an outdoor direct-current turnout can be accurately simulated, positioning information and reversing information of the turnout can be fed back, the portable test device is simple, efficient and controllable, and accordingly comprehensive testing from an interlocking control center to a terminal turnout circuit can be realized. The portable test device for the direct-current turnout switch machines is applicable to various operation lines of railways of China, and also can be used for imitation or reference application to debugging turnout equipment in a newly built station yard owing to the fact that the portable test device is a special circuit substitute product for testing turnout combinations for new outdoor (transitional) turnouts without a composite direct-current turnout control circuit in station yard construction for existing lines.

Description

A kind of Portable DC point machine test unit
Technical field
The present invention relates to the construction of railway business line signalling engineering, specifically a kind of Portable DC point machine test unit.
Background technology
Transformation of railway Line of Existing Railway and electrification innovation are the important contents that China railways faces development at present; Wherein the signalling arrangement transformation is again a heavy difficult point wherein, and it carries out " cutting open the chest to cut open the belly ", upgrading renewal as " nervous centralis " to transportation by railroad, and the Installation and Debugging of electric point machine occupy critical role in the signal specialty; Therefore; Improve the high efficiency and the accuracy of work progress, shortening will be put the engineering time, has become the task of top priority of existing line signal transformation engineering.
Summary of the invention
The purpose of this invention is to provide a kind of Portable DC point machine test unit.
The objective of the invention is to realize that by following mode its structure is by voltage table V; Reometer A; Rectifier ZLQ; Transformer B; Light emitting diode D1, D2; K switch-1, K-2; K switch 2-1, K2-2, K2-3, K2-4; K switch 3-1, K3-2, K3-3 and outdoor goat power output end X1-X6 form; Wherein, K switch-1, K-2; K switch 2-1, K2-2, K2-3, K2-4 are the switch-dividings that a cutter is thrown K switch 1-K3 more; 1 pin of K switch 1-1, K1-2 also meets voltage table V and the 220V civil power; 3 pin of K switch 1-1, K1-2 connect 1,2 pin of rectifier ZLQ and 1,2 pin of transformer respectively, and the 3 pin serial connection K switch 2-2 of rectifier meets outdoor goat power output end X4, and 4 pin serial connection reometer A, K switch 2-1, K3-1 meet outdoor goat power output end X1, X2; 3 pin of K switch 3-1 meet outdoor goat power output end X1; 2 pin of K switch 3-1 meet outdoor goat power output end X2,1 pin of the 1 foot control K2-1 of K switch 3-1, and 3 pin connect 3 pin of transformer; 2 pin serial connection K switch 2-3, K3-2 meet outdoor goat power output end X5, X6; Wherein 1 pin of K switch 3-2 connects 1 pin of K2-3, and 3 pin meet outdoor goat power output end X5, and 2 pin meet outdoor goat power output end X6; The 4 pin crosstalks resistance of transformer B is positive pole and the negative pole of sending and receiving optical diode D1, D2 respectively; The negative pole of light emitting diode D1 connects 3 pin of K switch 3-3; The positive pole of light emitting diode D2 connects 2 pin of K switch 3-3; 1 pin of K switch 3-3 connects 1 pin of K switch 2-4, and 3 pin of K switch 2-4 meet outdoor goat power output end X3.
Excellent effect of the present invention is; Can the simulating chamber outer track switch actuating of relay circuit of this device moves with indication circuit; Direct current point machine action overall process and fixed, the antiposition information of feedback point machine outside can the pulpit of efficiently and accurately; Possessing has safe, efficient navigability, thereby realizes comprehensive inspection of interlocked control center switch control circuit to the terminal.Concrete test is handled as follows:
The first step: two-terminal inserts AC220V 8~10A power supply on the track switch operation panel left side, as adopting the room lighting power supply in the Machine Room;
Second step: six terminal X1 of track switch operation panel rightmost, X2, X3, X4, X5, X6, the corresponding respectively cable that inserts test track switch
The 3rd step: closed two 10A AC circuit breaker K1, observe the voltage table pointer, normally be shown as 220V;
The 4th step: start track switch, plate moves omnipotent electric switching K2, points to positioning; The moving K3 of plate is to the action shelves, and power supply exports outdoor goat to through the conversion of track switch operation panel, and this moment, the ammeter pointer action normally was shown as 3~8A, and the goat action is accomplished, and ammeter pointer returns " 0 " numerical value;
The 5th step: feedback expression; Plate moves K3 (right side) to the expression shelves; The expression power supply exports outdoor goat to through the conversion of track switch operation panel, and this moment, operation panel top antiposition showed that green light is bright, and the outer goat of display room is at positioning states; Rotate goat to antiposition like need, omnipotent electric switching K2, K3 get final product toward the reverse direction plate is moving.
Description of drawings
Fig. 1 is Portable DC point machine test unit circuit theory diagrams
Embodiment
With reference to accompanying drawing to explanation detailed below the test unit of the present invention.
Shown in accompanying drawing, Portable DC point machine test unit, its structure is by voltage table V; Reometer A; Rectifier ZLQ; Transformer B; Light emitting diode D1, D2; K switch-1, K-2; K switch 2-1, K2-2, K2-3, K2-4; K switch 3-1, K3-2, K3-3 and outdoor goat power output end X1-X6 form; Wherein, K switch-1, K-2; K switch 2-1, K2-2, K2-3, K2-4 are the switch-dividings that a cutter is thrown K switch 1-K3 more; 1 pin of K switch 1-1, K1-2 also meets voltage table V and the 220V civil power; 3 pin of K switch 1-1, K1-2 connect 1,2 pin of rectifier ZLQ and 1,2 pin of transformer respectively, and the 3 pin serial connection K switch 2-2 of rectifier meets outdoor goat power output end X4, and 4 pin serial connection reometer A, K switch 2-1, K3-1 meet outdoor goat power output end X1, X2; 3 pin of K switch 3-1 meet outdoor goat power output end X1; 2 pin of K switch 3-1 meet outdoor goat power output end X2,1 pin of the 1 foot control K2-1 of K switch 3-1, and 3 pin connect 3 pin of transformer; 2 pin serial connection K switch 2-3, K3-2 meet outdoor goat power output end X5, X6; Wherein 1 pin of K switch 3-2 connects 1 pin of K2-3, and 3 pin meet outdoor goat power output end X5, and 2 pin meet outdoor goat power output end X6; The 4 pin crosstalks resistance of transformer B is positive pole and the negative pole of sending and receiving optical diode D1, D2 respectively; The negative pole of light emitting diode D1 connects 3 pin of K switch 3-3; The positive pole of light emitting diode D2 connects 2 pin of K switch 3-3; 1 pin of K switch 3-3 connects 1 pin of K switch 2-4, and 3 pin of K switch 2-4 meet outdoor goat power output end X3.
Embodiment
This test unit is applicable to the site test of high power AC electric point machine.By it is under no direct current power source for switch control situation, only needs to insert industrial frequency AC (220V) power supply, just can pull test to the direct current point machine, and whole indexs such as the action of " location " " antiposition " and expression are tested completely.Basic functional principle.
Portable DC point machine test unit of the present invention is made up of direct current track switch actuating of relay circuit and indication circuit two parts in the simulating chamber; Direct current point machine action overall process and fixed, the antiposition information of feedback point machine outside can the pulpit of efficiently and accurately; Possessing has safe, efficient navigability, thereby realizes comprehensive inspection of interlocked control center switch control circuit to the terminal.
Portable DC point machine test unit circuit integral body is become to form by two parts: a part is power supply control and converting system (schematic diagram rectifier bridge Z and transformer); A part is point machine action and indication circuit; ZD type goat is pulled at first by indoor control desk manipulation in the field, station under the normal condition; Through track switch combination (relay system circuit) logical transition output control power supply; Accomplish the goat course of action, accomplish the conversion back and form the loop, in time feed back switch location information with indoor switch indication circuit.
The circuit theory of root a tree name railway switch, device of the present invention will be imported power supply (AC220V 10A) and convert power source for switch operation (DC220V 10A) expression to through rectifier bridge Z and transformer BB (BD) (AC12V 100~150mA)
Power supply is to satisfy the outer track switch goat power parameter of turning cell; Action logic relation in the root a tree name railway switch circuit between 1DQJ, 2DQJ, DCJ, the FCJ relay.
Device of the present invention adopts omnipotent electric switching K1, K2, K3 (electric current 10A, 4 windings point), and plate to diverse location replaces the logical relation between 1DQJ, 2DQJ, DCJ, the FCJ relay, accomplishes the action of outdoor point machine; Adopt greenish-yellow each 1 of light emitting diode (direct current 5V), the DBJ in the switch control circuit, FBJ relay feed back outdoor goat tram; Device of the present invention draws AC220V A.C. voltmeter of parallel connection in the circuit at power supply, 30A DC ammeter of series connection in the DC current output circuit, the input of inspection power supply, output parameter conversion and the outer goat frictional working current of proofroom.
Concrete test is handled as follows:
The first step: the two-terminal on the track switch operation panel left side (red is black) inserts power supply, and (AC220V 8~10A), as adopting the room lighting power supply in the Machine Room;
Second step: six terminal X1 of track switch operation panel rightmost, X2, X3, X4, X5, X6, the corresponding respectively cable that inserts test track switch.
The 3rd step: closed two 10A AC circuit breaker K1, observe voltage table (left side) pointer (normally being shown as 220V).
The 4th step: start track switch, plate moves omnipotent electric switching K2 (left side), points to positioning; Plate moves K3 (right side) to the action shelves, and power supply exports outdoor goat to through the conversion of track switch operation panel, and (normally be shown as the action of 3~8A) goats and accomplish, reometer (right side) pointer returns " 0 " numerical value in reometer (right side) pointer action this moment.
The 5th step: feedback expression, plate are moved K3 (right side) to the expression shelves, and the expression power supply exports outdoor goat to through the conversion of track switch operation panel, and this moment, operation panel top antiposition showed that green light is bright, and the outer goat of display room is at positioning states.
Use is rotated goat to antiposition like need from the above mentioned, and omnipotent electric switching K2, K3 get final product toward the reverse direction plate is moving.
The test unit scope of application of the present invention; Applicable to all kinds of operation lines of China railways; By it is in the construction of field, existing line station; Outdoor newly-increased (transition) track switch does not have and closes a kind of special circuit substitute products that the direct current switch control circuit of making carries out the track switch composite test, can use for reference in the debugging of newly-built station field track switch equipment equally, with reference to application yet.
Experimental provision of the present invention; To point machine equipment simulating debugging in Line of Existing Railway transformation and the electrification project; Produce " Portable DC point machine test unit " and integrate " Analog Circuit Design, indoor and outdoor connection test "; The whole operation program of simulation test point machine; Realize the interlocked control center to the terminal switch control circuit l-G simulation test, for the test of changing points machine equipment in the Existing Railway Line construction provides complete test construction means, explore a kind of new rigorous existing efficiently business drawing lines trouble goat equipment test method.
Experimental provision technical standard of the present invention
Portable DC point machine test unit main technical standards is come the setting technique standard from the parameter of power supply control transformation system and point machine action and indication circuit passage respectively according to the effect of operation panel; For guaranteeing to handle reliably working; Not burning electronic component, is AC10~12V with transformer (BD adjustable type) adjustment output voltage; Use the purposes and four (six) the line systems of each terminal of operation panel output for guaranteeing that connection interface is convenient
Turn-out track equipment terminal purposes is consistent.
Main material and components and parts:
Portable DC point machine test unit ectosome adopts 300X300X500mm entity plank to be combined into casing; The main material and the components and parts that need comprise: 10w/750 Ω resistance, omnipotent electric switching (4 group node), light emitting diode (direct current 5V; Greenish-yellow demonstration), adjustable type transformer (BD), AC pointer voltage table, DC pointer reometer, 7*0.52 flame retardant type power lead, embedded button, solder stick.Above components and parts carry out aggregate erection and get final product according to shown in Figure 1.
The checkout of Portable DC point machine test unit
Complete and should carry out checkout before equipment is connected at Portable DC point machine test unit; At first use the input end measuring of multimeter at Portable DC point machine test unit; Resistance value is about 1250 Ω during close circuit breaker; Be infinitely great during disconnection, secondly insert the input power supply, whether Closing Switch K1 inspection voltage table is normal; Whether the moving K2 of plate has DC220V voltage to action, K3 to location survey output terminal X1 and X4, X5 and X4, and whether the moving K2 of plate has DC220V voltage to anti-work, K3 to antiposition measurement output terminal X2 and X4, X6 and X4; Whether the moving K2 of plate has AC5V voltage to expression, K3 to location survey output terminal X1 and X3, and whether K3 has AC5V voltage to antiposition measurement output terminal X2 and X3, and more than test is errorless just can insert this operation panel with outdoor goat.

Claims (1)

1. a Portable DC point machine test unit is characterized in that comprising voltage table V; Reometer A; Rectifier ZLQ; Transformer B; Light emitting diode D1, D2; K switch-1, K-2; K switch 2-1, K2-2, K2-3, K2-4; K switch 3-1, K3-2, K3-3 and outdoor goat power output end X1-X6; Wherein, K switch-1, K-2; K switch 2-1, K2-2, K2-3, K2-4 are the switch-dividings that a cutter is thrown K switch 1-K3 more; 1 pin of K switch 1-1, K1-2 also meets voltage table V and the 220V civil power; 3 pin of K switch 1-1, K1-2 connect 1,2 pin of rectifier ZLQ and 1,2 pin of transformer respectively, and the 3 pin serial connection K switch 2-2 of rectifier meets outdoor goat power output end X4, and pin serial connection reometer A, K switch 2-1, K3-1 meet outdoor goat power output end X1, X2; 3 pin of K switch 3-1 meet outdoor goat power output end X1; 2 pin of K switch 3-1 meet outdoor goat power output end X2,1 pin of the 1 foot control K2-1 of K switch 3-1, and 3 pin connect 3 pin of transformer; 2 pin serial connection K switch 2-3, K3-2 meet outdoor goat power output end X5, X6; Wherein 1 pin of K switch 3-2 connects 1 pin of K2-3, and 3 pin meet outdoor goat power output end X5, and 2 pin meet outdoor goat power output end X6; The 4 pin crosstalks resistance of transformer B is positive pole and the negative pole of sending and receiving optical diode D1, D2 respectively; The negative pole of light emitting diode D1 connects 3 pin of K switch 3-3; The positive pole of light emitting diode D2 connects 2 pin of K switch 3-3; 1 pin of K switch 3-3 connects 1 pin of K switch 2-4, and 3 pin of K switch 2-4 meet outdoor goat power output end X3, and concrete test is handled as follows:
The first step: two-terminal inserts AC220V 8~10A power supply on the track switch operation panel left side, as adopting the room lighting power supply in the Machine Room;
Second step: six terminal X1 of track switch operation panel rightmost, X2, X3, X4, X5, X6, the corresponding respectively cable that inserts test track switch
The 3rd step: closed two 10A AC circuit breaker K1, observe the voltage table pointer, normally be shown as 220V;
The 4th step: start track switch, plate moves omnipotent electric switching K2, points to positioning; The moving K3 of plate is to the action shelves, and power supply exports outdoor goat to through the conversion of track switch operation panel, and this moment, the ammeter pointer action normally was shown as 3~8A, and the goat action is accomplished, and ammeter pointer returns " 0 " numerical value;
The 5th step: feedback expression; Plate moves K3 (right side) to the expression shelves; The expression power supply exports outdoor goat to through the conversion of track switch operation panel, and this moment, operation panel top antiposition showed that green light is bright, and the outer goat of display room is at positioning states; Rotate goat to antiposition like need, omnipotent electric switching K2, K3 get final product toward the reverse direction plate is moving.
CN2012102576948A 2012-07-25 2012-07-25 Portable test device for direct-current turnout switch machines Pending CN102778621A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102982718A (en) * 2012-12-06 2013-03-20 济南重成自动化技术有限公司 Turnout control practical training device for ZD6 type point switch
CN103576024A (en) * 2013-09-05 2014-02-12 中铁十局集团电务工程有限公司 Portable switch indication simulation case
CN106708018A (en) * 2016-12-26 2017-05-24 兰州安信铁路科技有限公司 Portable type direct current switch machine control circuit intelligent testing device and portable type direct current switch machine control circuit intelligent testing method
CN107589319A (en) * 2016-07-08 2018-01-16 中铁六局集团电务工程有限公司 A kind of five-wire system point machine analogue means
CN108761317A (en) * 2018-07-27 2018-11-06 柳州和利时科技有限责任公司 Resistance-capacitance box with direct current track switch indication circuit working state monitoring
CN109981006A (en) * 2019-03-27 2019-07-05 北京全路通信信号研究设计院集团有限公司 A kind of safe driving method of no node direct-current point machine and drive module
CN111157811A (en) * 2019-12-09 2020-05-15 中铁二十四局集团上海电务电化有限公司 Switch simulation operation panel
CN113933703A (en) * 2021-09-23 2022-01-14 交控科技股份有限公司 Switch power acquisition system, method, object controller and storage medium
CN113942541A (en) * 2021-12-21 2022-01-18 中铁十四局集团电气化工程有限公司 Portable turnout operation device and turnout operation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008247164A (en) * 2007-03-30 2008-10-16 Kyosan Electric Mfg Co Ltd Electric switch
CN201281731Y (en) * 2008-11-20 2009-07-29 中铁十六局集团有限公司 Simulation tester for DC electric switch machine
CN101683858A (en) * 2008-09-26 2010-03-31 株式会社京三制作所 Switch representing and inputting device
CN201945656U (en) * 2010-12-12 2011-08-24 天津铁路信号工厂 Detection module for point switch indication circuit
CN202080299U (en) * 2011-04-13 2011-12-21 中铁四局集团电气化工程有限公司 Railway signal turnout control box
US20120018592A1 (en) * 2010-07-22 2012-01-26 Guglielmo Davide Hydraulic oil control unit for supplying hydraulic oil actuators in switch machines of railway points

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008247164A (en) * 2007-03-30 2008-10-16 Kyosan Electric Mfg Co Ltd Electric switch
CN101683858A (en) * 2008-09-26 2010-03-31 株式会社京三制作所 Switch representing and inputting device
CN201281731Y (en) * 2008-11-20 2009-07-29 中铁十六局集团有限公司 Simulation tester for DC electric switch machine
US20120018592A1 (en) * 2010-07-22 2012-01-26 Guglielmo Davide Hydraulic oil control unit for supplying hydraulic oil actuators in switch machines of railway points
CN201945656U (en) * 2010-12-12 2011-08-24 天津铁路信号工厂 Detection module for point switch indication circuit
CN202080299U (en) * 2011-04-13 2011-12-21 中铁四局集团电气化工程有限公司 Railway signal turnout control box

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
杨扬 等: "铁路信号基础设备控制实验系统的设计和实现", 《高校实验室工作研究》, no. 112, 30 June 2012 (2012-06-30), pages 115 - 117 *
邱守明 等: "新型转辙机综合测试台中电路的设计与实施", 《铁道通信信号》, vol. 47, no. 2, 28 February 2011 (2011-02-28), pages 47 - 49 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102982718A (en) * 2012-12-06 2013-03-20 济南重成自动化技术有限公司 Turnout control practical training device for ZD6 type point switch
CN103576024A (en) * 2013-09-05 2014-02-12 中铁十局集团电务工程有限公司 Portable switch indication simulation case
CN103576024B (en) * 2013-09-05 2016-04-20 中铁十局集团电务工程有限公司 A kind of Portable switch indication simulation case
CN107589319A (en) * 2016-07-08 2018-01-16 中铁六局集团电务工程有限公司 A kind of five-wire system point machine analogue means
CN106708018A (en) * 2016-12-26 2017-05-24 兰州安信铁路科技有限公司 Portable type direct current switch machine control circuit intelligent testing device and portable type direct current switch machine control circuit intelligent testing method
CN108761317A (en) * 2018-07-27 2018-11-06 柳州和利时科技有限责任公司 Resistance-capacitance box with direct current track switch indication circuit working state monitoring
CN109981006A (en) * 2019-03-27 2019-07-05 北京全路通信信号研究设计院集团有限公司 A kind of safe driving method of no node direct-current point machine and drive module
CN109981006B (en) * 2019-03-27 2021-06-15 北京全路通信信号研究设计院集团有限公司 Safe driving method and driving module of node-free direct current switch machine
CN111157811A (en) * 2019-12-09 2020-05-15 中铁二十四局集团上海电务电化有限公司 Switch simulation operation panel
CN113933703A (en) * 2021-09-23 2022-01-14 交控科技股份有限公司 Switch power acquisition system, method, object controller and storage medium
CN113933703B (en) * 2021-09-23 2024-04-26 交控科技股份有限公司 Switch machine power acquisition system, method, object controller and storage medium
CN113942541A (en) * 2021-12-21 2022-01-18 中铁十四局集团电气化工程有限公司 Portable turnout operation device and turnout operation method
CN113942541B (en) * 2021-12-21 2022-03-29 中铁十四局集团电气化工程有限公司 Portable turnout operation device and turnout operation method

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Application publication date: 20121114