CN107323311A - Protection device of the multi-functional needle to urban transportation rail current potential - Google Patents

Protection device of the multi-functional needle to urban transportation rail current potential Download PDF

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Publication number
CN107323311A
CN107323311A CN201710683831.7A CN201710683831A CN107323311A CN 107323311 A CN107323311 A CN 107323311A CN 201710683831 A CN201710683831 A CN 201710683831A CN 107323311 A CN107323311 A CN 107323311A
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CN
China
Prior art keywords
shape
rectangular
plate
circuit cylinder
hollow circuit
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Withdrawn
Application number
CN201710683831.7A
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Chinese (zh)
Inventor
宋奇吼
冯洪高
周昌松
顾娜
王海军
杨飏
陈莉
王雪钰
严寒钰
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Nanjing Institute of Railway Technology
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Nanjing Institute of Railway Technology
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Publication date
Application filed by Nanjing Institute of Railway Technology filed Critical Nanjing Institute of Railway Technology
Priority to CN201710683831.7A priority Critical patent/CN107323311A/en
Publication of CN107323311A publication Critical patent/CN107323311A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60MPOWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M5/00Arrangements along running rails or at joints thereof for current conduction or insulation, e.g. safety devices for reducing earth currents
    • B60M5/02Means for reducing potential difference between rail and adjacent ground

Abstract

A kind of multi-functional needle is to the protection device of urban transportation rail current potential, including programmable controller and voltage detection module;Wherein, for detecting that the voltage detection module of voltage is connected with programmable controller communication between rail and protecting field;The programmable controller is arranged in rectangular-shape cabinet, rectangular-shape box is set in the rectangular-shape cabinet, it is communicating structure from the front of the rectangular-shape box to the back side of the rectangular-shape box, the front projection on ditch road is connected horizontal segment and vertical section, the central position of the horizontal segment is connected at the top of the vertical section, the head of second leading screw sets the part that spins being combined with the ditch road, the part that spins is screwed in the ditch road, effectively reduce temperature reduction performance difference in the prior art and the defect of more preferable temperature reduction performance can not be realized.

Description

Protection device of the multi-functional needle to urban transportation rail current potential
Technical field
The present invention relates to urban transportation rail Potential Technology field, and in particular to a kind of multi-functional needle is to urban transportation rail current potential Protection device.
Background technology
Urban track traffic tractive power supply system is powered using overhead contact line, using rail as current return circuit.To reduce Stray electrical current produces corrosion to civil engineering structure reinforcing bar, rail, equipment metal shell and other underground metal pipelines, and track traffic is built If during take more perfect fountain measure.I.e.:DC traction power-supply system is designed as isolated neutral system, Insulating mounting is used to DC suppling equipment, rail is insulated by felt pad with the earth, to reduce the leakage of stray electrical current.Work as confession When electric section has the train for starting or running or occurs system short-circuit fault, because of path and steel of the rail as traction current The presence of transition resistance between rail and ground, it is poor that rail produces certain floating potential over the ground.To prevent rail potential to ground too high Personal injury is caused, each station and parking lot need to be provided with Rail potential protection device (HVL).
Thus a kind of Rail potential protection device is just proposed, including programmable controller, contactor, IGCT are triggered by force Module, anti-parallel thyristor assembly module and voltage detection module;Wherein, for detecting the electricity of voltage between rail and protecting field Pressure detection module is connected with programmable controller communication, and contactor and the anti-parallel thyristor component is series at rail and protection Between ground, the contactor is connected with programmable controller communication, and the anti-parallel thyristor component is triggered by force by IGCT The communication of module and programmable controller is connected, the strong trigger module of IGCT respectively with two in anti-parallel thyristor component The control end connection of IGCT;The magnitude of voltage that the programmable controller is returned according to voltage detection module controls the contactor Closure and disconnection with anti-parallel thyristor component.
The programmable controller is the EASY 256275 of model programmable controller.
The method of work of the other Rail potential protection device includes, the voltage detection module detection rail and protection Voltage difference between ground, and voltage difference data is returned into the programmable controller;
When the voltage difference between the rail and protecting field that voltage detection module is detected is more than one section of operation voltage value U1, Controlled by Programmable Controller contactor closes a floodgate, and Controlled by Programmable Controller contactor recovers to disconnect after the first setting time value t;
When the voltage difference between the rail and protecting field that voltage detection module is detected is more than two sections of operation voltage value U2, Controlled by Programmable Controller contactor forever closes a floodgate, and no longer control contactor recovers to disconnect;
When the voltage difference between the rail and protecting field that voltage detection module is detected is more than three sections of operation voltage value U3, The strong trigger module of Controlled by Programmable Controller IGCT makes anti-parallel thyristor component be turned on first in 1ms, makes rail and guarantor The connection of shield ground;Then Controlled by Programmable Controller contactor closes a floodgate;After the contactor closes a floodgate, Controlled by Programmable Controller crystalline substance lock Managing strong trigger module makes anti-parallel thyristor component disconnect immediately.
When the voltage difference between the rail and protecting field that voltage detection module is detected is more than one section of operation voltage value U1, Controlled by Programmable Controller contactor closes a floodgate, and is set Controlled by Programmable Controller contactor after the time and recovers to disconnect;If In two setting time value TT1 after Controlled by Programmable Controller trigger continuous action 3 times, the programmable controller is no longer controlled Contactor is acted, and the trigger remains the state of constant combined floodgate.
The value of one section of operation voltage value U1 meets DC25V < U1 < DC200V.
The value of two sections of operation voltage values U2 meets U2=DC150V.
The value of three sections of operation voltage values U3 meets U3=DC480V or U3=DC600V.
The value of the first setting time value t meets 0.1s < t < 5s.
The value of the second setting time value TT1 meets 30s < TT1 < 120s.
This programme causes the Rail potential protection device with having continuous monitoring station building and operation rail traction The function of ground contact voltage, if occurring big potential difference between rail and protecting field, according to the rank of potential difference to the two The short circuit of different modes is carried out, for producing dangerous electricity between vehicle with preventing station building with operation rail and thereon Pressure, to protect the safety of personnel and facility.
But in further applying, there are the following problems for the system:
The programmable controller is arranged in the hollow cabinet of rectangular-shape, because during programmable controller work usually There is the elevated situation of temperature, so need to perform programmable controller cooling, but current cooling system is typically only In setting an air exhauster in a side wall of the shell of the programmable controller, exhaust is performed to the programmable controller, , only can be to described during exhaust because air exhauster is only configured in a side wall of the shell of the programmable controller One side wall of programmable controller realizes cooling, and temperature reduction performance is poor, and exhaust cooling can not be more preferably to described by gas in addition Programmable controller realizes and conformed to that temperature reduction performance is poor, and the gas that it is discharged relies on certain stroke to perform, it is impossible to constitute disorderly Stream so that suffered with the programmable controller and connect imperfect, temperature reduction performance is poor, so performs cooldown period inside the cabinet Between, because often also there is the temperature inside the air exhauster for other electronic unit, cabinet not low inside cabinet, with reference to The not low gas of cabinet temperature inside performs cooling to the programmable controller, it is impossible to realize more preferable temperature reduction performance, described The causing in exhaust process of air exhauster and the air exhauster for the programmable controller for other electronic unit The air-flow of motion is interfered with each other, and the particulate contaminant inside the cabinet is kicked up and sticks at the programmable controller wall and also allows Temperature reduction performance is worse, and simply gas cools in addition, and temperature reduction performance is also poor.
The content of the invention
To solve the above problems, the invention provides a kind of protection device of multi-functional needle to urban transportation rail current potential, having Effect reduces temperature reduction performance difference in the prior art and can not realize the defect of more preferable temperature reduction performance.
In order to overcome deficiency of the prior art, the invention provides a kind of guarantor of multi-functional needle to urban transportation rail current potential The solution of protection unit, it is specific as follows:
A kind of multi-functional needle is to the protection device of urban transportation rail current potential, including programmable controller 1 and voltage detecting mould Block 3;Wherein, for detecting that the voltage detection module 3 of voltage between rail and protecting field is connected with the communication of programmable controller 1;
The programmable controller is arranged in rectangular-shape cabinet 1S, sets rectangular in the rectangular-shape cabinet 1S Body shape box 2S, is communicating structure from the front of the rectangular-shape box 2S to the back side of the rectangular-shape box 2S, institute Rectangular-shape box 2S is stated by rectangular-shape top plate, rectangular-shape bottom plate, the vertical plate of rectangular-shape first and rectangular-shape second Vertical plate is surrounded, and the rectangular-shape top plate is located at the higher position of the rectangular-shape bottom plate, and the cuboid first is vertical The top of plate and the bottom of the vertical plate of the cuboid first respectively connected one end of the rectangular-shape top plate and the length The stage of one end of cube shape bottom plate, the top of second vertical plate and second vertical plate respectively connected described rectangular The other end of the other end of body shape top plate and the rectangular-shape bottom plate;
A side wall of the rectangular-shape box 2S is connected on one in the rectangular-shape cabinet 1S by the first leading screw silk In individual side wall, a side wall of the rectangular-shape box 2S is connected on one in the rectangular-shape cabinet 1S by the first leading screw silk Structure in individual side wall is:It is provided with a side wall of the rectangular-shape box 2S in through hole, the rectangular-shape cabinet 1S It is provided with opening in one side wall, the through hole and the opening in communication and the through hole in the opening with being each embedded with It is provided with a groove on one the first screw, the outer wall of first leading screw, and silk groove phase of first screw with first leading screw Silk connects;
The device for being used for clamping and holding programmable controller is provided with the rectangular-shape box 2S, it is described to be used for clamping holding programmable The device of controller includes being respectively welded at the wall of first vertical plate in the rectangular-shape box 2S and described the Rectangular-shape pedestal 3S on rectangular-shape pedestal 3S on the wall of two vertical plates, the wall of first vertical plate with it is described Rectangular-shape pedestal 3S on the wall of second vertical plate is set face-to-face, the length on the wall along first vertical plate Cube shape pedestal 3S it is vertical to and positioned at the position higher than the rectangular-shape pedestal 3S of first vertical plate with along institute State the vertical to and positioned on wall than second vertical plate of rectangular-shape pedestal 3S on the wall of the second vertical plate Rectangular-shape pedestal 3S higher position be respectively equipped with rectangular-shape block 4S, the rectangular-shape block 4S with it is described rectangular Along from the front of the rectangular-shape box 2S to the direction at the back side of the rectangular-shape box 2S between body shape pedestal 3S On be placed equidistant setting in some harmomegathus bar body 5S, the cabinet 1S being located at respectively and described be used for clamping holding programmable controller Device higher position with positioned at the sheet spacer 6S for being used for clamping the more lower position for the device for holding programmable controller, The spacer 6S facing away from described vertical for clamping some even numbers that spun in the side wall for the device for holding programmable controller To the second leading screw 7S, the second leading screw 7S is provided with leading screw adjusting knob, and the leading screw adjusting knob is located at described rectangular Outside body shape box 2S, the second leading screw 7S of half quantity revolves through the rectangular-shape top plate with the spacer 6S Connect, the second leading screw 7S of second half quantity spins through the rectangular-shape bottom plate with the spacer 6S, the positioning Piece 6S by the gas transition plate F01S apart from rectangular-shape farther rectangular-shape block 4S with apart from rectangular-shape block 4S more The plate F02S of near rectangular-shape is connect and constituted by the 3rd leading screw silk, with row on the outside wall of the plate F02S Row arrangement mode sets some first opening 8S, the first opening 8S to be used for clamping the dress for holding programmable controller towards described The side wall face put connects right the second open inwardly opening 9S being in the edge of the first opening 8S, first opening 8S and the second opening 9S are cylindric, and the first opening 8S is consistent with the described second opening 9S center line, in addition The horizontal span of the first opening 8S is more than the described second opening 9S horizontal span, and hollow cylinder piece A0S is located at described thoroughly In second opening 9S, the round edge on the hollow cylinder piece A0S tops stretches outwardly to be in the first opening 8S Sheet barrier flaps A1S, the barrier flaps A1S are connected on the hollow cylinder piece A0S on the first opening 8S, the barrier flaps Provided with rubber ring A2S, the hollow cylinder piece A0S by being through set in the second opening 9S between A1S and gas transition plate F01S The first hollow circuit cylinder set A001S and the second hollow circuit cylinder set A002S groups for being socketed on first hollow circuit cylinder set A001S Into first hollow circuit cylinder covers A001S towards the side wall upper measurement for being used for clamping the device for holding programmable controller around it Inner peripheral surface is extended upward in the carry silk groove on outer wall the 3rd in face of the side for being used for clamping the device for holding programmable controller Hollow round column covers A3S, and the second hollow circuit cylinder set A002S facing away from described one side for being used for clamping the device for holding programmable controller Adhere to its outer peripheral face on wall to extend and carry on inwall towards back to the direction for being used for clamping the device for holding programmable controller Silk groove and the 3rd hollow circuit cylinder on the 4th hollow circuit cylinder set A4S of silk groove, the inwall of the 4th hollow circuit cylinder set A4S Silk groove on set A3S outer wall is adapted and silk is connected together, and material is thus formed second hollow circuit cylinder set A002S sockets The framework on A001S is covered in first hollow circuit cylinder, the outer peripheral face of the second hollow circuit cylinder set A002S is provided with some coolings Some horizontal direction aluminum alloy bars are vertically equally spaced in post A5S, the second hollow circuit cylinder set A002S Some first row gas port A7S communicated with inside it, the cooling post are provided with A6S, the second hollow circuit cylinder set A002S Farther one of second hollow circuit cylinder set A002S described in A5S distance set with second hollow circuit cylinder set A002S Transition chamber A9S is set in second exhaust port A8S, the gas transition plate F01S that portion is communicated, and the first opening 8S is outwardly Communicated with the transition chamber A9S, here be exactly that facing away from described to be used for clamping the device of holding programmable controller, the length outwardly It is the arch shaped body towards outer process that cube shape box 2S front and the back side is pivotally connected cover plate B0S, the cover plate B0S respectively, described It is provided with cover plate B0S in blow vent B1S, the side wall of the cabinet 2S and is provided with openings B2S, the openings B2S quantity is one Right, each correspondingly blow vent B1S, an openings B2S described in a pair can be that the strip through-hole being spacedly distributed is formed, The blow vent B1S is communicated by gas passage B3S with the openings B2S, here cover plate B0S blow vent The air feeder B4S, the openings B2S communicated with the air feeder B4S supplied gas inside the cabinet 2S is set on B1S Upper to carry the sieve device B5S being located at outside the cabinet 1S, the sieve device is connected on the cabinet 1S by leading screw silk, The cover plate B0S is provided with the round platform set B6S being enclosed on the air feeder B4S, and one that the radius of the round platform set is smaller is Sealed shape, in addition smaller one of the radius of round platform set probe between two plate F02S, the round platform set The smaller bottom of one of radius that the smaller top of one of radius and the round platform cover is respectively with a head to the round platform Set B6S and other end is used for the box B7S that supplies gas towards the right angle folding rule shape of the plate F02S, the right angle folding rule shape is used To set the through passage B8S of right angle folding rule shape in the box B7S that supplies gas, the through passage B8S's of right angle folding rule shape Vertical section one of outer wall thoroughly provided with cylindric supply gas set B9S, the cylindric set B9S that supplies gas and the plate F02S phases Connect, the gas passage C0S communicated with the set B9S that supplies gas with transition chamber A9S is set on the plate F02S, it is described to supply gas The head that set B9S is located in the through passage B8S of the right angle folding rule shape is connected with and can be arranged at the right-angle folding to movement vertically Set on the cylinder C1S, the cylinder C1S of the through passage B8S of chi shape vertical section has the cylindric set B9S that supplies gas with described With the through passage B8S of the right angle folding rule shape is communicated crosses gas port C2S, the cylinder C1S facing away from described cylindric supply gas Set one of B9S and the right angle folding rule shape are used for being connected with vertical helical form glass green grass or young crops between the box B7S supplied gas inner surface It is provided with copper wire C3S, a side wall of the cabinet 2S on cable aperture C4S, the cable aperture C4S and barrier flaps structure C 5S is set;
The 4th hollow circuit cylinder that the sieve device B5S includes being buckled on the openings B2S covers B501S, the described 4th Equidistantly B502S is covered in hollow circuit cylinder set B501S provided with the 5th hollow circuit cylinder, and the 5th hollow circuit cylinder covers B502S towards described One of cabinet 1S is closed, and the 5th hollow circuit cylinder set B502S facing away from the outer of the wall of one of the cabinet 1S Periphery and the 4th hollow circuit cylinder cover B501S inner rim it is closed be connected, the 5th hollow circuit cylinder covers B502S and facing away from institute State and be provided with ditch road on the cabinet 1S wall of one, if being placed equidistant on the 5th hollow circuit cylinder set B502S outer peripheral face Particle is filled between dry through eye B503S, the 4th hollow circuit cylinder set B501S and the 5th hollow circuit cylinder the set B502S Activated carbon B504S;
The harmomegathus article body 5S includes the 3rd hollow circuit cylinder set E01S with vertical to being movably disposed in the described 3rd Cylindric mobile bar E02S in hollow round column set E01S, the 3rd hollow circuit cylinder covers E01S apart from described cylindric mobile article E02S farther one, which is provided with, to be covered the same center lines of E01S with the 3rd hollow circuit cylinder and is not less than the 3rd hollow circle It is vertical to movably setting rectangular-shape in the cylindric cavity E03S of column sleeve E01S radiuses, the cylindric cavity E03S Moving sheet E04S, the moving sheet E04S facing away from a side wall of the cylindric mobile bar E02S with helical form glass bronze One of silk E05S is connected, and the other end of the helical form glass bronze wire E05S is connected to the rectangular-shape pedestal 3S or length It is described under conditions of the cylindric mobile bar E02S is connected on the rectangular-shape pedestal 3S on cube shape block 4S Helical form glass bronze wire E05S other end is connected on the rectangular-shape block 4S, is connected in the cylindric mobile bar E02S Under conditions of being connected on the rectangular-shape block 4S, the other end of the helical form glass bronze wire E05S is connected to described rectangular On body shape pedestal 3S;
The spacer 6S, which facing away from, described to be used for clamping and setting cuboid in the side wall for the device for holding programmable controller Horizontal segment is set to be located in the rectangular-shape plates C6S in shape plates C6S, the rectangular-shape plates C6S Ditch road C7S, the ditch road C7S front projection are to be connected to institute at the top of connected horizontal segment and vertical section, the vertical section The central position of horizontal segment is stated, the head of the second leading screw 7S sets the part C8S that spins being combined with the ditch road C7S, The part C8S that spins is screwed in the ditch road C7S, and the front projection of the part that spins is the horizontal segment and vertical section being connected, The central position of the horizontal segment is connected at the top of the vertical section.
Further, the hollow cylinder piece A0S and cooling post A5S is hollow form.
Further, the cylindric set B9S that supplies gas, which makes, can divide formal similarity.
Further, the number of the openings B2S is a pair, each via the gas passage B3S and the ventilation Mouth B1S is communicated.
Further, the quantity for the second leading screw 7S that the spacer 6S spins is four, and the side arranged with ranks Formula is arranged on the spacer 6S.
Further, the bottom of the second leading screw 7S is connected to roller, and the roller has with the second leading screw 7S Covered on same center line, the roller and pivoting support seat, the pivoting support are cased with then pivoting support, the pivoting support Seat is welded on the spacer 6S.
Further, set between the gas transition plate F01S and plate F02S and surround the first opening 8S and gas Body path C0S rubber ring.
Further, the barrier flaps structure C 5S includes level to box C501S with being located at level to box C501S's One and stretch down it is vertical to box C502, vertical set to box C502 bottom passes through the level to box Son and the cavity communicated with the cable aperture C4S.
Further, the cavity communicated with the cable aperture C4S is tortuous shape.
Further, the vertical top to part on the through passage B8S of right angle folding rule shape horizontal segment top with Bottom each sets the catch D1S extended inwardly.
Beneficial effects of the present invention are:
Rectangular-shape box 2S, cover plate and the barrier flaps structure C 5S of the present invention is placed on programmable controller in the atmosphere of cleaning Enclose lower work and cooling, it is therefore prevented that particulate contaminant is to the detrimental effect of cooling, and gas passes through sieve device B5S and removed first Grain thing impurity, allows gas and the engagement of programmable controller completely.Here it is electric with others in cabinet during all coolings Subcomponent is separated by, and is also that other electronic components will not be to PLC technology with particulate matter magazine in the temperature that cooling device occurs Unfavorable effect is played in the cooling of device, and the cooling of the programmable controller will not also be played to the cooling of other electronic components Unfavorable effect, the cooling gas of the system comes from outside, and outside cryogenic gas is relatively beneficial to the realization of cooling.
Brief description of the drawings
Fig. 1 is the functional-block diagram of the described Rail potential protection device of the present invention.
Fig. 2 is the floor map of the cabinet of the present invention.
Fig. 3 is the structural representation of an edge of the cabinet of the present invention.
Fig. 4 is the structural representation of the connection of the spacer of the present invention.
Fig. 5 is the attachment structure schematic diagram of the cylinder of the present invention.
Fig. 6 is the close-up schematic view at Fig. 3 K.
Fig. 7 is the structural representation that spins of leading screw.
Fig. 8 is the part-structure schematic diagram of cabinet.
Fig. 9 is the structural representation of sieve device.
Figure 10 is the structural representation of harmomegathus bar.
Figure 11 is part-structure schematic diagram of the invention.
Figure 12 is the circuit diagram of the described Rail potential protection device of the present invention.
Embodiment
The present invention is described further below in conjunction with embodiment.
As shown in Fig. 1-Figure 12, the multi-functional needle of the present embodiment is to the protection device of urban transportation rail current potential, including can compile The strong trigger module 221 of range controller 1, contactor 21, IGCT, anti-parallel thyristor component 222 and voltage detection module 3;Its In, for detecting that the voltage detection module 3 of voltage between rail and protecting field is connected with the communication of programmable controller 1;It is described to connect Tentaculum 21 and anti-parallel thyristor component 222 are series between rail and protecting field, the contactor 21 and programmable controller 1 Communication connection, the anti-parallel thyristor component 222 is communicated by the strong trigger module 221 of IGCT and programmable controller 1 to be connected Connect, the strong trigger module 221 of IGCT connects with the control end of two IGCTs in anti-parallel thyristor component 222 respectively Connect;The magnitude of voltage that the programmable controller 1 is returned according to voltage detection module 3 controls the contactor 21 and the brilliant lock of inverse parallel The closure of tube assembly 222 and disconnection.Wherein, the programmable controller 1 is the EASY256275 of model programmable controller.
The programmable controller is arranged in rectangular-shape cabinet 1S, sets rectangular in the rectangular-shape cabinet 1S Body shape box 2S, is communicating structure from the front of the rectangular-shape box 2S to the back side of the rectangular-shape box 2S, institute Rectangular-shape box 2S is stated by rectangular-shape top plate, rectangular-shape bottom plate, the vertical plate of rectangular-shape first and rectangular-shape second Vertical plate is surrounded, and the rectangular-shape top plate is located at the higher position of the rectangular-shape bottom plate, and the cuboid first is vertical The top of plate and the bottom of the vertical plate of the cuboid first respectively connected one end of the rectangular-shape top plate and the length The stage of one end of cube shape bottom plate, the top of second vertical plate and second vertical plate respectively connected described rectangular The other end of the other end of body shape top plate and the rectangular-shape bottom plate;
A side wall of the rectangular-shape box 2S is connected on one in the rectangular-shape cabinet 1S by the first leading screw silk In individual side wall, a side wall of the rectangular-shape box 2S is connected on one in the rectangular-shape cabinet 1S by the first leading screw silk Structure in individual side wall is:It is provided with a side wall of the rectangular-shape box 2S in through hole, the rectangular-shape cabinet 1S It is provided with opening in one side wall, the through hole and the opening in communication and the through hole in the opening with being each embedded with It is provided with a groove on one the first screw, the outer wall of first leading screw, and silk groove phase of first screw with first leading screw Silk connects;
The device for being used for clamping and holding programmable controller is provided with the rectangular-shape box 2S, it is described to be used for clamping holding programmable The device of controller includes being respectively welded at the wall of first vertical plate in the rectangular-shape box 2S and described the Rectangular-shape pedestal 3S on rectangular-shape pedestal 3S on the wall of two vertical plates, the wall of first vertical plate with it is described Rectangular-shape pedestal 3S on the wall of second vertical plate is set face-to-face, the length on the wall along first vertical plate Cube shape pedestal 3S it is vertical to and positioned at the position higher than the rectangular-shape pedestal 3S of first vertical plate with along institute State the vertical to and positioned on wall than second vertical plate of rectangular-shape pedestal 3S on the wall of the second vertical plate Rectangular-shape pedestal 3S higher position be respectively equipped with rectangular-shape block 4S, the rectangular-shape block 4S with it is described rectangular Along from the front of the rectangular-shape box 2S to the direction at the back side of the rectangular-shape box 2S between body shape pedestal 3S On be placed equidistant setting in some harmomegathus bar body 5S, the cabinet 1S being located at respectively and described be used for clamping holding programmable controller Device higher position with positioned at the sheet spacer 6S for being used for clamping the more lower position for the device for holding programmable controller, The spacer 6S facing away from described vertical for clamping some even numbers that spun in the side wall for the device for holding programmable controller To the second leading screw 7S, the second leading screw 7S is provided with leading screw adjusting knob, and the leading screw adjusting knob is located at described rectangular Outside body shape box 2S, the second leading screw 7S of half quantity revolves through the rectangular-shape top plate with the spacer 6S Connect, the second leading screw 7S of second half quantity spins through the rectangular-shape bottom plate with the spacer 6S, the positioning Piece 6S by the gas transition plate F01S apart from rectangular-shape farther rectangular-shape block 4S with apart from rectangular-shape block 4S more The plate F02S of near rectangular-shape is connect and constituted by the 3rd leading screw silk, with row on the outside wall of the plate F02S Row arrangement mode sets some first opening 8S, the first opening 8S to be used for clamping the dress for holding programmable controller towards described The side wall face put connects right the second open inwardly opening 9S being in the edge of the first opening 8S, first opening 8S and the second opening 9S are cylindric, and the first opening 8S is consistent with the described second opening 9S center line, in addition The horizontal span of the first opening 8S is more than the described second opening 9S horizontal span, and hollow cylinder piece A0S is located at described thoroughly In second opening 9S, the round edge on the hollow cylinder piece A0S tops stretches outwardly to be in the first opening 8S Sheet barrier flaps A1S, the barrier flaps A1S are connected on the hollow cylinder piece A0S on the first opening 8S, the barrier flaps Provided with rubber ring A2S, the hollow cylinder piece A0S by being through set in the second opening 9S between A1S and gas transition plate F01S The first hollow circuit cylinder set A001S and the second hollow circuit cylinder set A002S groups for being socketed on first hollow circuit cylinder set A001S Into first hollow circuit cylinder covers A001S towards the side wall upper measurement for being used for clamping the device for holding programmable controller around it Inner peripheral surface is extended upward in the carry silk groove on outer wall the 3rd in face of the side for being used for clamping the device for holding programmable controller Hollow round column covers A3S, and the second hollow circuit cylinder set A002S facing away from described one side for being used for clamping the device for holding programmable controller Adhere to its outer peripheral face on wall to extend and carry on inwall towards back to the direction for being used for clamping the device for holding programmable controller Silk groove and the 3rd hollow circuit cylinder on the 4th hollow circuit cylinder set A4S of silk groove, the inwall of the 4th hollow circuit cylinder set A4S Silk groove on set A3S outer wall is adapted and silk is connected together, and material is thus formed second hollow circuit cylinder set A002S sockets The framework on A001S is covered in first hollow circuit cylinder, the outer peripheral face of the second hollow circuit cylinder set A002S is provided with some coolings Some horizontal direction aluminum alloy bars are vertically equally spaced in post A5S, the second hollow circuit cylinder set A002S Some first row gas port A7S communicated with inside it, the cooling post are provided with A6S, the second hollow circuit cylinder set A002S Farther one of second hollow circuit cylinder set A002S described in A5S distance set with second hollow circuit cylinder set A002S Transition chamber A9S is set in second exhaust port A8S, the gas transition plate F01S that portion is communicated, and the first opening 8S is outwardly Communicated with the transition chamber A9S, here be exactly that facing away from described to be used for clamping the device of holding programmable controller, the length outwardly It is the arch shaped body towards outer process that cube shape box 2S front and the back side is pivotally connected cover plate B0S, the cover plate B0S respectively, described It is provided with cover plate B0S in blow vent B1S, the side wall of the cabinet 2S and is provided with openings B2S, the openings B2S quantity is one Right, each correspondingly blow vent B1S, an openings B2S described in a pair can be that the strip through-hole being spacedly distributed is formed, The blow vent B1S is communicated by gas passage B3S with the openings B2S, here cover plate B0S blow vent The air feeder B4S, the openings B2S communicated with the air feeder B4S supplied gas inside the cabinet 2S is set on B1S Upper to carry the sieve device B5S being located at outside the cabinet 1S, the sieve device is connected on the cabinet 1S by leading screw silk, The cover plate B0S is provided with the round platform set B6S being enclosed on the air feeder B4S, and one that the radius of the round platform set is smaller is Sealed shape, in addition smaller one of the radius of round platform set probe between two plate F02S, the round platform set The smaller bottom of one of radius that the smaller top of one of radius and the round platform cover is respectively with a head to the round platform Set B6S and other end is used for the box B7S that supplies gas towards the right angle folding rule shape of the plate F02S, the right angle folding rule shape is used To set the through passage B8S of right angle folding rule shape in the box B7S that supplies gas, the through passage B8S's of right angle folding rule shape Vertical section one of outer wall thoroughly provided with cylindric supply gas set B9S, the cylindric set B9S that supplies gas and the plate F02S phases Connect, the gas passage C0S communicated with the set B9S that supplies gas with transition chamber A9S is set on the plate F02S, it is described to supply gas The head that set B9S is located in the through passage B8S of the right angle folding rule shape is connected with and can be arranged at the right-angle folding to movement vertically Set on the cylinder C1S, the cylinder C1S of the through passage B8S of chi shape vertical section has the cylindric set B9S that supplies gas with described With the through passage B8S of the right angle folding rule shape is communicated crosses gas port C2S, the cylinder C1S facing away from described cylindric supply gas Set one of B9S and the right angle folding rule shape are used for being connected with vertical helical form glass green grass or young crops between the box B7S supplied gas inner surface It is provided with copper wire C3S, a side wall of the cabinet 2S on cable aperture C4S, the cable aperture C4S and barrier flaps structure C 5S is set;
The 4th hollow circuit cylinder that the sieve device B5S includes being buckled on the openings B2S covers B501S, the described 4th Equidistantly B502S is covered in hollow circuit cylinder set B501S provided with the 5th hollow circuit cylinder, and the 5th hollow circuit cylinder covers B502S towards described One of cabinet 1S is closed, and the 5th hollow circuit cylinder set B502S facing away from the outer of the wall of one of the cabinet 1S Periphery and the 4th hollow circuit cylinder cover B501S inner rim it is closed be connected, the 5th hollow circuit cylinder covers B502S and facing away from institute State and be provided with ditch road on the cabinet 1S wall of one, if being placed equidistant on the 5th hollow circuit cylinder set B502S outer peripheral face Particle is filled between dry through eye B503S, the 4th hollow circuit cylinder set B501S and the 5th hollow circuit cylinder the set B502S Activated carbon B504S;So during gas passes through, gas is by one of the 5th hollow circuit cylinder set B502S until institute State inside the 5th hollow circuit cylinder set B502S, then removed by some through eye B503S and granular activated carbon B504S After particulate contaminant, then by the 4th hollow circuit cylinder one of B501S is covered with the openings B2S until to gas passage In B3S.
The harmomegathus article body 5S includes the 3rd hollow circuit cylinder set E01S with vertical to being movably disposed in the described 3rd Cylindric mobile bar E02S in hollow round column set E01S, the 3rd hollow circuit cylinder covers E01S apart from described cylindric mobile article E02S farther one, which is provided with, to be covered the same center lines of E01S with the 3rd hollow circuit cylinder and is not less than the 3rd hollow circle It is vertical to movably setting rectangular-shape in the cylindric cavity E03S of column sleeve E01S radiuses, the cylindric cavity E03S Moving sheet E04S, the moving sheet E04S facing away from a side wall of the cylindric mobile bar E02S with helical form glass bronze One of silk E05S is connected, and the other end of the helical form glass bronze wire E05S is connected to the rectangular-shape pedestal 3S or length It is described under conditions of the cylindric mobile bar E02S is connected on the rectangular-shape pedestal 3S on cube shape block 4S Helical form glass bronze wire E05S other end is connected on the rectangular-shape block 4S, is connected in the cylindric mobile bar E02S Under conditions of being connected on the rectangular-shape block 4S, the other end of the helical form glass bronze wire E05S is connected to described rectangular On body shape pedestal 3S;
The spacer 6S, which facing away from, described to be used for clamping and setting cuboid in the side wall for the device for holding programmable controller Horizontal segment is set to be located in the rectangular-shape plates C6S in shape plates C6S, the rectangular-shape plates C6S Ditch road C7S, the ditch road C7S front projection are to be connected to institute at the top of connected horizontal segment and vertical section, the vertical section The central position of horizontal segment is stated, the head of the second leading screw 7S sets the part C8S that spins being combined with the ditch road C7S, The part C8S that spins is screwed in the ditch road C7S, and the front projection of the part that spins is the horizontal segment and vertical section being connected, The central position of the horizontal segment is connected at the top of the vertical section.It is easily assembled, the rectangular-shape plates C6S energy It is enough two sections of compositions, one section of horizontal segment with the ditch road C7S, another section of vertical section with the ditch road C7S assembles it Border is combined this two sections and connect just by leading screw silk.
The system is during use, and the spacer 6S is by the gas apart from rectangular-shape farther rectangular-shape block 4S Transition plate F01S with apart from rectangular-shape block 4S closer to rectangular-shape plate F02S by the 3rd leading screw silk connect and group Into first first hollow circuit cylinder set A001S by the first opening 8S through the second opening 9S, so described first is hollow Cylindrical sleeve A001S is located on the ladder of the first opening 8S, then second hollow circuit cylinder is covered again A002S sheet Barrier flaps A1S is socketed on the first hollow circuit cylinder set A001S, and the rubber ring A2S and the sheet are obstructed still later Piece A1S connects, and next the gas transition plate F01S is closed on the plate F02S of the rectangular-shape, so each The mouth communicated relatively on, described first 8S that is open is communicated with the transition chamber A9S, followed by leading screw the gas mistake The plate F02S for crossing piece F01S and the rectangular-shape is connected, and pulls open cover plate B0S, and programmable controller E0S is placed on On the rectangular-shape pedestal 3S, then rectangular-shape block 4S is pressed on the programmable controller E0S just, it is described to rise Contracting bar body 5S can be pressed on the programmable controller E0S between the rectangular-shape block 4S and rectangular-shape pedestal 3S, connect The second leading screw 7S described in turn, the hollow cylinder piece A0S is moved inwardly the top for driving the programmable controller E0S Side wall or bottom side wall, during driving, because setting rubber ring A2S at the top of the hollow cylinder piece A0S, just with compression Reseting performance, thus, it is possible to ensure that all hollow cylinder piece A0S can be attached on the programmable controller EOS, The vertical section that the other right angle folding rule shape is used for the box B7S supplied gas sets institute by the helical form glass bronze wire C3S Cylinder C1S and the cylindric set B9S that supplies gas are stated, a skull of the cylindric set B9S that supplies gas is on the gas passage C0S, court In drive the spacer 6S during, the helical form glass bronze wire C3S is also driven to be compressed, it is ensured that described cylindric The set B9S and plate F02S of the rectangular-shape that supplies gas preferably is engaged, and the cover plate B0S is covered after engagement, screen cloth is set Standby B5S is stable at the cabinet 1S outer surfaces, then the sieve device B5S with it is described enter mechanism of qi B4S gas passage B3S phases It is logical just, and during wiring cable by the cable aperture C4S connections power supply just, enter mechanism of qi B4S described in startup, it is described enter Mechanism of qi B4S is screened out gas by the sieve device B5S and round platform set B8S is sent into after particulate contaminant, and B8S is covered by round platform Through the transition chamber A9S that gone directly after the through passage B8S of the right angle folding rule shape and cylindric set B9S that supplies gas after polymerizable gas In, by being open 9S until proceeding to the hollow cylinder piece A0S by the described first opening 8S and second after the transition chamber A9S In, the first row gas port A7S and second exhaust port A8S in by the hollow cylinder piece A0S is sent out, because in described Hollow cylinder A0S exhaust outlet is circumferentially disposed, so by the first row gas port A7S and the second exhaust port A8S The gas of submitting flows to the programmable controller E0S walls with the state of turbulent flow together with regard to that can gather, to the programmable control Device E0S walls processed carry out good cooling, and the hollow cylinder piece A0S connects with the programmable controller E0S, being capable of conduct Temperature on the fin of cooling, so described programmable controller wall can be just sent on the hollow cylinder piece A0S, entered One step is delivered on the cooling post A5S and aluminum alloy bar A6S, is added gas and is passed through the hollow cylinder piece A0S and cooling post A5S The inside, by the aluminum alloy bar A6S during being also exactly motion inside, the aluminum alloy bar A6S can be the gas of the inside Body is upset and transmits temperature, and gas is completely combined with the aluminum alloy bar A6S, and with the hollow cylinder piece A0S with dropping Warm post A5S the inside is combined with outer wall, complete sees corresponding temperature off, in addition the hollow cylinder piece A0S in addition Cylinder framework, also connects with the programmable controller, so gas can be straight by hollow cylinder piece A0S the insides and institute State programmable controller to engage, thus by also having programmable controller outer wall with outside inside the hollow cylinder piece A0S Cooling system, hence it is evident that be better than only on the programmable controller add fin, then on fin in gas motion The framework that temperature is seen off, gas after cooling to the programmable controller, by with other gas passage B3S phases Logical openings B2S is seen off, is separated by here during all coolings with other electronic components in cabinet, is also it The temperature and particulate matter magazine that his electronic component occurs in cooling device will not play unfavorable to the cooling of programmable controller Effect, and the cooling of the programmable controller will not also play unfavorable effect to the cooling of other electronic components, the system Cooling gas come from outside, outside cryogenic gas is relatively beneficial to the realization of cooling.
Rectangular-shape box 2S, cover plate and the barrier flaps structure C 5S of the system are placed on programmable controller in the atmosphere of cleaning Enclose lower work and cooling, it is therefore prevented that particulate contaminant is to the detrimental effect of cooling, and gas passes through sieve device B5S and removed first Grain thing impurity, allows gas and the engagement of programmable controller completely.
The hollow cylinder piece A0S of the system is hollow form with cooling post A5S.Allow some hollow cylinder piece A0S Engage with cooling post A5S more complete, just at the top of the hollow cylinder piece A0S with rubber ring, it has compression recovery The characteristics of, to allow the gas transition plate F01S to move can also cross gas, just be used for supplying gas provided with the right angle folding rule shape Box B7S with can vertically to motion it is cylindric supply gas set B9S, allow it is cylindric supply gas cover B9S can be with the spacer 6S is more preferably engaged will not also form unfavorable effect to the motion of the spacer 6S, make the cylindric set B9S that supplies gas more favourable In configuration, the spacer 6S is set to gas transition plate F01S and plate F02S, and the cylindric set B9S that supplies gas also is done Into formal similarity can be divided.Such framework, which is engaged with each other to realize, inside and outside synchronously cools and assembles easy performance.
The number of the openings B2S is a pair, is communicated each via the gas passage B3S with the blow vent B1S.
The quantity for the second leading screw 7S that the spacer 6S spins is four, and is arranged in the way of ranks are arranged institute State on spacer 6S.
The bottom of the second leading screw 7S is connected to roller, and the roller has same center with the second leading screw 7S Covered on line, the roller and pivoting support seat is cased with then pivoting support, the pivoting support, the pivoting support seat is welded in On the spacer 6S.
Set between the gas transition plate F01S and plate F02S and surround the first opening 8S and gas passage C0S Rubber ring.With this rubber ring, allow gas reach pass through between the gas transition plate F01S and plate F02S during not The problem of revealing.
The barrier flaps structure C 5S include level to box C501S with located at level to one of box C501S and down That stretches is vertical to box C502, it is described it is vertical set to box C502 bottom pass through the level to box and with it is described The cavity that cable aperture C4S is communicated.During the cable that must be connected on the programmable controller by the cavity just.
The cavity communicated with the cable aperture C4S is tortuous shape, and a large amount of particulate contaminants can be hindered to float to described On programmable controller.
The vertical top to part on the horizontal segment top of the through passage B8S of right angle folding rule shape is each set with bottom Put the catch D1S extended inwardly.Positioning cylinder so be can aid in vertical position.
The method of the protection device for urban transportation rail current potential, step is as follows:
Step one:Voltage difference between the detection rail of voltage detection module 3 and protecting field, and voltage difference data is returned Return the programmable controller 1S1;
Step 2:When the voltage difference between the rail and protecting field that voltage detection module 3 is detected is more than one section of action electricity During pressure value U1, the control contactor 21 of programmable controller 1 closes a floodgate, and the control of programmable controller 1 connects after the first setting time value t Tentaculum 21 recovers to disconnect S2;
Step 3:When the voltage difference between the rail and protecting field that voltage detection module 3 is detected is more than two sections of action electricity During pressure value U2, the control contactor 21 of programmable controller 1 forever closes a floodgate, and no longer control contactor 21 recovers to disconnect S3;
Step 4:When the voltage difference between the rail and protecting field that voltage detection module 3 is detected is more than three sections of action electricity During pressure value U3, the control strong trigger module 221 of IGCT of programmable controller 1 makes anti-parallel thyristor component 222 first in 1ms Conducting, makes rail be connected with protecting field;Then the control contactor 21 of programmable controller 1 closes a floodgate;After the contactor 21 closes a floodgate, The control strong trigger module 221 of IGCT of programmable controller 1 makes anti-parallel thyristor component 222 disconnect S4 immediately.
For the situation of above step two, if the control trigger of programmable controller 1 connects in the second setting time value TT1 Continue after acting 3 times, the programmable controller 1 no longer control contactor 21 is acted, and the trigger remains constant combined floodgate State.
Using the preceding paragraph operation voltage value U1, two sections of operation voltage value U2 and three sections of operation voltage value U3 value mode as:
One section of operation voltage value U1 value meets DC25V < U1 < DC200V;Two sections of operation voltage value U2 value expires Sufficient U2=DC150V;Three sections of operation voltage value U3 value meets U3=DC480V or U3=DC600V.
The value mode of the above the first setting time value and the second setting time value is:First setting time value t value Meet 0.1s < t < 5s;Second setting time value TT1 value meets 30s < TT1 < 120s.
The present embodiment has the beneficial effect that:
Programmable controller is placed on cleaning by the rectangular-shape box 2S, cover plate and barrier flaps structure C 5S of the present embodiment Work and cool under atmosphere, it is therefore prevented that particulate contaminant is removed by sieve device B5S first to the detrimental effect of cooling, gas Particulate contaminant, allows gas and the engagement of programmable controller completely.Here during all coolings with it is other in cabinet Electronic component is separated by, and is also that other electronic components will not be to programmable control with particulate matter magazine in the temperature that cooling device occurs Unfavorable effect is played in the cooling of device processed, and the cooling of the programmable controller will not also rise to the cooling of other electronic components To unfavorable effect, the cooling gas of the system comes from outside, and outside cryogenic gas is relatively beneficial to the realization of cooling.
The present invention is described by way of examples above, it will be understood by those of skill in the art that the disclosure is not It is limited to embodiments described above, in the case of without departing from the scope of the present invention, can makes a variety of changes, changes and replace Change.

Claims (10)

1. a kind of multi-functional needle is to the protection device of urban transportation rail current potential, it is characterised in that including programmable controller and electricity Press detection module;Wherein, for detecting that the voltage detection module of voltage is communicated with programmable controller between rail and protecting field Connection;
The programmable controller is arranged in rectangular-shape cabinet, and rectangular-shape box is set in the rectangular-shape cabinet Son, is communicating structure from the front of the rectangular-shape box to the back side of the rectangular-shape box, the rectangular-shape box Son is surrounded by rectangular-shape top plate, rectangular-shape bottom plate, the vertical plate of rectangular-shape first and the vertical plate of rectangular-shape second, described Rectangular-shape top plate is located at the higher position of the rectangular-shape bottom plate, the top of the vertical plate of cuboid first and the length The bottom of the vertical plate of cube first respectively connected one end of the rectangular-shape top plate and one end of the rectangular-shape bottom plate, The stage of the top of second vertical plate and second vertical plate respectively connected the other end of the rectangular-shape top plate With the other end of the rectangular-shape bottom plate;
One side wall of the rectangular-shape box is connected in a side wall in the rectangular-shape cabinet by the first leading screw silk, One side wall of the rectangular-shape box is connected on the knot in a side wall in the rectangular-shape cabinet by the first leading screw silk Structure is:It is provided with out in a side wall being provided with one side wall of the rectangular-shape box in through hole, the rectangular-shape cabinet Mouthful, the through hole in the opening in communication and the through hole and the opening with being each embedded with first screw, institute A groove is provided with the outer wall for stating the first leading screw, and silk groove phase silk of first screw with first leading screw connects;
The device for being used for clamping and holding programmable controller is provided with the rectangular-shape box, it is described to be used for clamping holding programmable controller Device include the wall and second vertical plate for being respectively welded at first vertical plate in the rectangular-shape box Wall on rectangular-shape pedestal, rectangular-shape pedestal and second vertical plate on the wall of first vertical plate Rectangular-shape seat surface on wall is provided opposite to, the rectangular-shape pedestal on the wall along first vertical plate it is perpendicular Directly to and positioned at the position higher than the rectangular-shape pedestal of first vertical plate and the wall along second vertical plate On rectangular-shape pedestal it is vertical to and positioned at higher than the rectangular-shape pedestal on the wall of second vertical plate Position is respectively equipped with rectangular-shape block, along from described rectangular between the rectangular-shape block and the rectangular-shape pedestal The front of body shape box is to being placed equidistant some harmomegathus bar bodies, the cabinet on the direction at the back side of the rectangular-shape box Middle set is located at the higher position for being used for clamping the device for holding programmable controller with being used for clamping that hold can positioned at described respectively The sheet spacer of the more lower position of the device of programmable controller, the spacer, which facing away from, described to be used for clamping and holding PLC technology Vertical second leading screw of some even numbers that spun in the side wall of the device of device, second leading screw adjusts rotation provided with leading screw Button, the leading screw adjusting knob is located at outside the rectangular-shape box, and second leading screw of half quantity passes through the length Cube shape top plate spins with the spacer, second leading screw of second half quantity through the rectangular-shape bottom plate with it is described Spacer spins, and the spacer is by the gas transition plate apart from the farther rectangular-shape of rectangular-shape block and apart from cuboid Shape block closer to the plate of rectangular-shape connect and constitute by the 3rd leading screw silk, with row on the outside wall of the plate Row arrangement mode sets some first openings, and first opening is used for clamping the device for holding programmable controller towards described Side wall face connects right the second open inwardly opening being in the edge of first opening, first opening and described the Two openings are all cylindric, and first opening is consistent with the center line of the described second opening, in addition the water of first opening Degree of flatting across is more than the horizontal span of the described second opening, and hollow cylinder piece is located in second opening thoroughly, the hollow circuit cylinder The round edge on part top stretches the sheet barrier flaps being in first opening outwardly, and the barrier flaps are described hollow Column be connected on it is described first opening on, between the barrier flaps and gas transition plate be provided with rubber ring, the hollow cylinder piece by The first hollow circuit cylinder set in second opening is through set at being socketed in the second hollow circle that first hollow circuit cylinder is put Column sleeve is constituted, and the first hollow circuit cylinder set is towards the side wall upper measurement for being used for clamping the device for holding programmable controller around it Inner peripheral surface is extended upward in the carry silk groove on outer wall the 3rd in face of the side for being used for clamping the device for holding programmable controller Hollow round column set, the second hollow circuit cylinder set facing away to be adhered in the side wall for clamping the device for holding programmable controller Its outer peripheral face towards extend back to the direction for being used for clamping the device for holding programmable controller on inwall with silk groove the The silk on outer wall that silk groove on four hollow circuit cylinder sets, the inwall of the 4th hollow circuit cylinder set covers with the 3rd hollow circuit cylinder Groove is adapted and silk is connected together, and being socketed in first hollow circuit cylinder material is thus formed the second hollow circuit cylinder set puts Framework, the outer peripheral face of second hollow circuit cylinder set is provided with some cooling posts, the second hollow circuit cylinder set along vertical side To being equally spaced some horizontal direction aluminum alloy bars, second hollow circuit cylinder puts to be provided with and some communicated with inside it First row gas port, the second hollow circuit cylinder described in the distance of the cooling post cover farther one set with it is described second hollow Transition chamber is set in the second exhaust port that the inside of cylindrical sleeve is communicated, the gas transition plate, first opening outwardly with The transition chamber is communicated, here be exactly that facing away from described to be used for clamping the device of holding programmable controller, the cuboid outwardly Front and the back side of shape box are pivotally connected cover plate respectively, the cover plate be provided with the arch shaped body towards outer process, the cover plate it is logical Openings are provided with gas port, the side wall of the cabinet, the openings quantity is a pair, each corresponds to blow vent described in a pair, One openings can be that the strip through-hole being spacedly distributed is formed, and the blow vent passes through gas passage and the insertion Mouthful communicate, the air feeder supplied gas inside the cabinet is set on the blow vent of a cover plate here, it is and described The sieve device being located at outside the cabinet is carried on the openings that air feeder is communicated, the sieve device is connected on by leading screw silk On the cabinet, the cover plate, which is provided with, is enclosed on round platform set on the air feeder, smaller one of the radius of the round platform set For sealed shape, smaller one of the radius of the round platform set is probeed between two plates in addition, and the half of the round platform set The smaller bottom of one of radius that the smaller top of one in footpath and the round platform cover is respectively with a head to the round platform set And other end is used for the box supplied gas towards the right angle folding rule shape of the plate, the right angle folding rule shape is used for the box supplied gas In folding rule shape through passage in right angle is set, the vertical section of the through passage of right angle folding rule shape is supplied gas provided with cylindric thoroughly Set, one of the outer wall of the cylindric set of supplying gas connects with the plate, sets and is supplied gas with described in the plate The gas passage communicated with transition chamber is covered, the head being set in the through passage of right angle folding rule shape of supplying gas is connected with energy Set on the cylinder of the vertical vertical section that the through passage of right angle folding rule shape is arranged to movement, the cylinder with it is described There is the gas port excessively that cylindric supply gas set and the through passage of right angle folding rule shape are communicated, the cylinder facing away from described cylindric Supply gas one of set and the right angle folding rule shape is used for being connected with vertical helical form glass bronze between the inner surface of box supplied gas It is provided with silk, a side wall of the cabinet on cable aperture, the cable aperture and barrier chip architecture is set;
The sieve device includes equidistant in the 4th hollow circuit cylinder set being buckled on the openings, the 4th hollow circuit cylinder set Provided with the 5th hollow circuit cylinder set, the 5th hollow circuit cylinder set is closed towards one of the cabinet, and the described 5th is hollow Inner rim that the neighboring that cylindrical sleeve facing away from the wall of one of the cabinet covers with the 4th hollow circuit cylinder is closed to be connected, The 5th hollow circuit cylinder set facing away from and ditch road is provided with the wall of one of the cabinet, outside the 5th hollow circuit cylinder set It is placed equidistant some through eyes on side face, the 4th hollow circuit cylinder set and the 5th hollow circuit cylinder inner room fill Grain activated carbon;
The harmomegathus article body includes the 3rd hollow circuit cylinder set with vertical to being movably disposed in the 3rd hollow circuit cylinder set Cylindric mobile bar, the 3rd hollow circuit cylinder set apart from cylindric mobile article of farther one be provided with the described 3rd The same center line of hollow circuit cylinder set is not less than the cylindric cavity that the 3rd hollow circuit cylinder covers radius, the cylindric chamber Vertical to the moving sheet for movably setting rectangular-shape in road, the moving sheet facing away from the one of the cylindric mobile bar It is connected in side wall with one of helical form glass bronze wire, the other end of the helical form glass bronze wire is connected to the rectangular-shape On pedestal or rectangular-shape block, under conditions of the cylindric mobile bar is connected on the rectangular-shape pedestal, institute The other end for stating helical form glass bronze wire is connected on the rectangular-shape block, is connected in the cylindric mobile bar described Under conditions of on rectangular-shape block, the other end of the helical form glass bronze wire is connected on the rectangular-shape pedestal;
The spacer, which facing away from, described to be used for clamping and setting rectangular-shape sheet in the side wall for the device for holding programmable controller Horizontal segment is set to be located at the rectangular-shape plates Li Gou roads in body, the rectangular-shape plates, the ditch road Front projection is the central position that the horizontal segment is connected at the top of connected horizontal segment and vertical section, the vertical section, institute The head for stating the second leading screw sets the part that spins being combined with the ditch road, and the part that spins is screwed in the ditch road, institute It is that working as the horizontal segment is connected at the top of connected horizontal segment and vertical section, the vertical section to state the front projection for the part that spins Middle position.
2. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that in described Hollow cylinder is hollow form with cooling post.
3. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that the circle Column set of supplying gas is made and can divide formal similarity.
4. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that described to pass through The number of port is a pair, is communicated each via the gas passage with the blow vent.
5. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that described fixed The quantity for the second leading screw that bit slice spins is four, and is arranged in the way of ranks are arranged on the spacer.
6. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that described The bottom of two leading screws is connected to roller, and the roller has with second leading screw to be covered then on same center line, the roller Pivoting support seat is cased with pivoting support, the pivoting support, the pivoting support seat is welded on the spacer.
7. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that the gas Set between body transition plate and plate and surround first opening and the rubber ring of gas passage.
8. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that the resistance Spacer structure include level to box with located at level to one of box and stretch down it is vertical to box, it is described vertically to The bottom of box, which is set, passes through the cavity that the level is communicated to box and with the cable aperture.
9. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that described straight The vertical top to part on the horizontal segment top of the through passage of angle folding rule shape each sets the gear extended inwardly with bottom Piece.
10. multi-functional needle according to claim 1 is to the protection device of urban transportation rail current potential, it is characterised in that with institute It is tortuous shape to state the cavity that cable aperture communicates.
CN201710683831.7A 2017-08-11 2017-08-11 Protection device of the multi-functional needle to urban transportation rail current potential Withdrawn CN107323311A (en)

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Application Number Priority Date Filing Date Title
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CN203521982U (en) * 2013-10-22 2014-04-02 苏州万龙电气集团股份有限公司 Intelligent box type direct current traction transformer station
CN105573165A (en) * 2015-12-30 2016-05-11 天津凯发电气股份有限公司 Intelligent protection control system for platform door potential abnormality and protection method thereof
CN106891780A (en) * 2017-03-24 2017-06-27 南京铁道职业技术学院 A kind of track traffic stray electrical current absorption plant

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Application publication date: 20171107