CN106428096B - Electric-locomotive air brake equipment and electric locomotive - Google Patents
Electric-locomotive air brake equipment and electric locomotive Download PDFInfo
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- CN106428096B CN106428096B CN201610893889.XA CN201610893889A CN106428096B CN 106428096 B CN106428096 B CN 106428096B CN 201610893889 A CN201610893889 A CN 201610893889A CN 106428096 B CN106428096 B CN 106428096B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
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- Electric Propulsion And Braking For Vehicles (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
A kind of electric-locomotive air brake equipment of present invention offer and electric locomotive.The device includes:Traction frequency convertor, normally open solenoid valve, normally closed solenoid valve, horizontal reversal valve and checking cylinder, the CPU of traction frequency convertor is electrically connected with the coil of mainboard relay, one end of the normally opened feedback contact of mainboard relay is electrically connected with one end of the coil of intermediate relay, one end of first normally opened feedback contact is electrically connected with one end of normally open solenoid valve, one end of second normally opened feedback contact is electrically connected with one end of normally closed solenoid valve, CPU is used for when detecting alarm condition, the coil of control mainboard relay obtains electric, normally open solenoid valve is set on the first wind path, on or off for controlling the first wind path, normally closed solenoid valve is used to control the on or off of the second wind path, it realizes when traction frequency convertor is in alarm condition, electric locomotive is set to be in on-position in time, to, improve the safety of field operation.
Description
Technical field
The present invention relates to electrical technology more particularly to a kind of electric-locomotive air brake equipments and electric locomotive.
Background technology
With the development of economy with the quickening of urbanization process, electric locomotive played increasingly important role.Such as:
In subway shield tunnel construction, electric locomotive is the necessary requirement for forming shield normal work, carries transport material, equipment and personnel
Work;In coal mining, electric locomotive may be used as underground transportation.Electric locomotive supplies direct current by accumulator, and direct current is logical
It crosses traction frequency convertor and is converted into voltage and the adjustable three-phase alternating current of frequency to drive frequency converting traction motor.Every motor turns
Son is connect by universal coupling with gear reduction box, is transferred on axle after two-stage gear reduction, to driving motor
Vehicle is run.
When alarm condition occurs in traction frequency convertor, traction frequency convertor can execute automatic sealing package machine order, to realize self
Protect the damage to avoid control unit and inversion unit.After traction frequency convertor executes automatic sealing package machine order, traction frequency convertor
It needs manually to carry out air damping or hand braking, to control electric locomotive at this point, electric locomotive runs out of steam into envelope machine state
Into braking state.
But it runs out of steam in electric locomotive and manually in time for being braked, electric locomotive be in stall conditions, is being used to
Property under the action of uncontrolled traveling, security risk can be caused, to, reduce the safety of field operation.
Invention content
A kind of electric-locomotive air brake equipment of present invention offer and electric locomotive, to improve the safety of field operation.
In a first aspect, the embodiment of the present invention provides a kind of electric-locomotive air brake equipment, including:It is traction frequency convertor, normally opened
Solenoid valve, normally closed solenoid valve, horizontal reversal valve and checking cylinder;
Wherein, the traction frequency convertor includes central processor CPU, the coil of mainboard relay, the mainboard relay
Normally opened feedback contact, the coil of intermediate relay, the first normally opened feedback contact of the intermediate relay and the centre
Second normally opened feedback contact of relay;
The CPU is electrically connected with the coil of the mainboard relay, and the one of the normally opened feedback contact of the mainboard relay
End is electrically connected with one end of the coil of the intermediate relay, the other end and the electricity of the normally opened feedback contact of the mainboard relay
The one end in source connects, and the other end of the coil of the intermediate relay is connect with the other end of the power supply, and described first is normally opened
One end of feedback contact is electrically connected with one end of the normally open solenoid valve, the other end of the first normally opened feedback contact with it is described
One end of power supply is electrically connected, and the other end of the normally open solenoid valve is electrically connected with the other end of the power supply, and described second is normally opened
One end of feedback contact is electrically connected with one end of the normally closed solenoid valve, the other end of the second normally opened feedback contact with it is described
One end of power supply is electrically connected, and the other end of the normally closed solenoid valve is electrically connected with the other end of the power supply;
The public side of the horizontal reversal valve is connected to blast main, and the handle of the horizontal reversal valve is located at alleviating position, institute
The alleviation side for stating horizontal reversal valve is connected to the non-spring side of the checking cylinder, forms the first wind path, the non-ballistic of the checking cylinder
Spring side is also connected to exhaust outlet, forms the second wind path, and the spring side of the checking cylinder and the brake side of the horizontal reversal valve connect
It is logical;The CPU be used for when detecting alarm condition, control the mainboard relay coil obtain it is electric;The normally open solenoid valve
It is set on first wind path, the on or off for controlling first wind path;The normally closed solenoid valve is set to institute
It states on the second wind path, the on or off for controlling second wind path.
Further, the power supply is direct-current switch power supply.
Further, the alarm condition includes at least one of following state:Overcurrent, overvoltage and high temperature.
Further, the traction frequency convertor further includes:Current sensing means, voltage check device and high temperature detection dress
It sets;
The current sensing means, the voltage check device and the high-temperature detection device are electrically connected with the CPU respectively
It connects;
The current sensing means is used to input the current signal of the traction frequency convertor, the voltage inspection to the CPU
The voltage signal that device is used to input the traction frequency convertor to the CPU is surveyed, the high-temperature detection device is used for the CPU
Input the temperature signal of the traction frequency convertor.
Further, the traction frequency convertor further includes envelope machine instruction execution module;The envelope machine instruction execution module with
The CPU electrical connections, the CPU are additionally operable to when detecting the alarm condition, are inputted to the envelope machine instruction execution module
Envelope machine instructs;The envelope machine instruction execution module is for executing the envelope machine instruction.
Further, the electric locomotive is mining electric locomotive.
Second aspect, the embodiment of the present invention provide a kind of electric locomotive, including:Car body and motor as described in any one of the above embodiments
Vehicle air brake, wherein the electric-locomotive air brake equipment is set on the car body.
Electric-locomotive air brake equipment and electric locomotive provided by the invention, by be arranged traction frequency convertor, normally open solenoid valve,
Normally closed solenoid valve, horizontal reversal valve and checking cylinder, wherein traction frequency convertor includes the line of central processor CPU, mainboard relay
Circle, the normally opened feedback contact of mainboard relay, the coil of intermediate relay, intermediate relay the first normally opened feedback contact and
Second normally opened feedback contact of intermediate relay, CPU are electrically connected with the coil of mainboard relay, the normally opened feedback of mainboard relay
One end of contact is electrically connected with one end of the coil of intermediate relay, the other end and the electricity of the normally opened feedback contact of mainboard relay
The one end in source connects, and the other end of the coil of intermediate relay and the other end of power supply connect, and the one of the first normally opened feedback contact
End is electrically connected with one end of normally open solenoid valve, and the other end of the first normally opened feedback contact is electrically connected with one end of power supply, normally opened electricity
The other end of magnet valve is electrically connected with the other end of power supply, and one end of the second normally opened feedback contact and one end of normally closed solenoid valve are electrically connected
Connect, the other end of the second normally opened feedback contact is electrically connected with one end of power supply, the other end of normally closed solenoid valve and power supply it is another
End electrical connection, the public side of horizontal reversal valve are connected to blast main, and the handle of horizontal reversal valve is located at alleviating position, horizontal reversal valve
Alleviation side be connected to the non-spring side of checking cylinder, form the first wind path, the non-spring side of checking cylinder is also connected to exhaust outlet, shape
At the second wind path, the spring side of checking cylinder is connected to the brake side of horizontal reversal valve, and CPU is used for when detecting alarm condition,
The coil of control mainboard relay obtains electric;Normally open solenoid valve is set on the first wind path, for control the first wind path conducting or
Shutdown, normally closed solenoid valve are set on the second wind path, the on or off for controlling the second wind path, are realized in traction frequency conversion
When device is in alarm condition, the effect of mainboard relay, intermediate relay, normally open solenoid valve and normally closed solenoid valve can be passed through
Under, the state of the first wind path and the second wind path is controlled, so that electric locomotive is in on-position in time, compared to existing skill
Art avoids artificial braking existing security risk not in time, to improve the safety of field operation.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the electric diagram of electric-locomotive air brake equipment embodiment provided by the invention;
Fig. 2 is the braking schematic diagram of electric-locomotive air brake equipment embodiment provided by the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Term " first ", " second ", " third " in description and claims of this specification and above-mentioned attached drawing and "
The (if present)s such as four " are for distinguishing similar object, without being used to describe specific sequence or precedence.It should manage
The data that solution uses in this way can be interchanged in the appropriate case, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " comprising " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or device, method, system, product
Or equipment those of is not necessarily limited to clearly to list step or device, but may include not listing clearly or for these mistakes
The intrinsic other steps of journey, method, product or equipment or device.
Technical scheme of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and same or analogous concept or process may be repeated no more in some embodiments.
Fig. 1 is the electric diagram of electric-locomotive air brake equipment embodiment provided by the invention.Fig. 2 is electricity provided by the invention
The braking schematic diagram of locomotive air braking device embodiments.Referring to Fig. 1 and Fig. 2, electric locomotive provided in this embodiment is empty
Pneumatic braking device includes:
Traction frequency convertor, normally open solenoid valve 11, normally closed solenoid valve 12, horizontal reversal valve 22 and checking cylinder 23.
Wherein, traction frequency convertor includes central processing unit (Central Processing Unit;Referred to as:CPU) 13, main
The of the coil 14 of plate relay, the normally opened feedback contact 15 of mainboard relay, the coil 16 of intermediate relay, intermediate relay
Second normally opened feedback contact 18 of one normally opened feedback contact 17 and intermediate relay.
CPU13 is electrically connected with the coil 14 of mainboard relay.One end of the normally opened feedback contact 15 of mainboard relay is in
Between relay coil 16 one end electrical connection, one end of the other end and power supply 19 of the normally opened feedback contact 15 of mainboard relay
Connection, the other end of the coil 16 of intermediate relay are connect with the other end of power supply 19.One end of first normally opened feedback contact 17
It is electrically connected with one end of normally open solenoid valve 11, the other end of the first normally opened feedback contact 17 is electrically connected with one end of power supply 19, often
The other end of open electromagnetic valve 11 is electrically connected with the other end of power supply 19.One end of second normally opened feedback contact 18 and normally closed solenoid valve
12 one end electrical connection, the other end of the second normally opened feedback contact 18 are electrically connected with one end of power supply 19, normally closed solenoid valve 12
The other end is electrically connected with the other end of power supply 19.
The public side of horizontal reversal valve 22 is connected to blast main 21, and the handle 221 of horizontal reversal valve 22 is located at alleviating position, water
The alleviation side of flat reversal valve 22 is connected to the non-spring side 232 of checking cylinder 23, forms the first wind path 24.The non-spring of checking cylinder 23
Side 232 is also connected to exhaust outlet (not shown), forms the second wind path 25.It commutates with horizontal the spring side 231 of checking cylinder 23
The brake side of valve 22 is connected to.CPU13 is used for when detecting alarm condition, and the coil 14 of control mainboard relay must be electric.It is normally opened
Solenoid valve 11 is set on the first wind path 24, the on or off for controlling the first wind path 24.Normally closed solenoid valve 12 is set to
On second wind path 25, the on or off for controlling the second wind path 25.
Specifically, relay includes normally opened feedback contact, normally closed feedback contact and coil:Normally opened feedback contact and normally closed anti-
Presenting contact, its essence is a kind of switches;When the coil of relay not it is electric when, normally opened feedback contact disconnects, and normally closed feedback is touched
Point is closed;When the coil of relay obtains electric, normally opened feedback contact is closed, and normally closed feedback contact disconnects.In the present embodiment,
Merely illustrate mainboard relay KA1 coil and its normally opened feedback contact, merely illustrate intermediate relay KM1 coil and two
Normally opened feedback contact.
Optionally, the power supply 19 in the present embodiment can be direct-current switch power supply.The normally opened feedback contact of mainboard relay
15 other end is connect with one end of power supply 19, and the end of power supply 19 here can be the anode of power supply;Intermediate relay
The other end of coil is connect with the other end of power supply 19, and the end of power supply here can be the cathode of power supply.Correspondingly, first
The other end of normally opened feedback contact 17 is electrically connected with the anode of power supply, and the other end of normally open solenoid valve 11 and the cathode of power supply are electrically connected
It connects;The anode of the other end of second normally opened feedback contact 18 and power supply is electrically connected, the other end of normally closed solenoid valve 12 and power supply
Cathode is electrically connected.
Normally open solenoid valve 11 and normally closed solenoid valve 12 include coil and valve body.In normally open solenoid valve 11, its coil not
When obtaining electric, valve body is in the open state, and when its coil obtains electric, valve body is closed.In normally closed solenoid valve 12, in its line
Must not enclose electricity when, valve body is closed, and when its coil obtains electric, valve body is in the open state.Valve body is in the open state
When, wind path conducting, when valve body is closed, wind path shutdown.Normally open solenoid valve 11 in the present embodiment is set to the first wind
On road 24, can by control normally open solenoid valve 11 coil whether it is electric, carry out application valve body, to, control the first wind path 24
On or off.Normally closed solenoid valve 12 in the present embodiment is set on the second wind path 25, can be by controlling normally closed electromagnetism
The coil of valve 12 whether it is electric, carry out application valve body, to, control the second wind path 25 on or off.
Horizontal reversal valve 22 in the present embodiment includes handle 221, and in the present embodiment, handle 221 is located at alleviating position.It is existing
Have in technology, handle 221 may be at alleviating position and retarder location 222.When handle 221 is located at retarder location 222, horizontal reversal valve
22 brake side is connected to public side, and the wind exported from blast main 21 is exported via the public side and brake side of horizontal reversal valve 22
To the spring side 231 of checking cylinder 23, the wind of the non-spring side 232 of checking cylinder 23 passes through non-spring side 232 and horizontal reversal valve 22
Alleviate side between wind path, via horizontal reversal valve 22 exhaust outlet be discharged, wind pressure and the spring force one of spring side 231 act as
With making checking cylinder act, locomotive realizes hand brake.Conversely, when handle 221 is placed in alleviating position, the braking of horizontal reversal valve 22
Side is not connected to public side, and the wind of the spring side 231 of checking cylinder 23 is discharged by horizontal reversal valve 22, non-232 wind pressure of spring side
Compressed spring, locomotive are alleviated.That is, when handle 221 is in alleviating position, electric locomotive is in relieved state, i.e., the state that do not brake;
When handle 221 is in retarder location, electric locomotive is in on-position, i.e. braking state.In the prior art, when traction frequency convertor is held
It has gone after automatic sealing package machine order, into after envelope machine state, has needed the position for artificially pulling handle 221, to control electric locomotive
State.Due to braking not in time, this mode of braking can cause security risk.
The course of work of electric-locomotive air brake equipment provided in this embodiment is as follows:
When traction frequency convertor is in normal state, CPU13 does not export control electric current, at the coil 14 of mainboard relay
In must not electricity condition.The normally opened feedback contact of mainboard relay is off, and therefore, the coil 16 of intermediate relay is not
It obtains electric.First normally opened feedback contact 17 and the second normally opened feedback contact 18 are in off-state.The coil of normally open solenoid valve 11
Coil with normally closed solenoid valve 12 must not be electric, and therefore, the valve body of normally open solenoid valve 11 is in the open state, and the first wind path 24 is led
Logical, wind can be exported from blast main 21, by the public side of horizontal reversal valve 22, be exported from the alleviation side of horizontal reversal valve 22,
It is exported to the non-spring side 232 of checking cylinder 23 by the normally open solenoid valve 11 on the first wind path 24 and the first wind path 24, and
And handle 221 is located at alleviating position, the spring side 231 and horizontal reversal valve of the wind of the spring side 231 of checking cylinder 23 by checking cylinder
The wind path of 22 brake side connection, is discharged via the exhaust outlet (not shown) of horizontal reversal valve 22, normally closed solenoid valve 12
Valve body is in closed state, and the second wind path 25 turns off, the wind pressure compressed spring of the non-spring side 232 of checking cylinder 23, at electric locomotive
In relieved state, i.e., when traction frequency convertor is in normal state, electric locomotive can be in three intersections of traction frequency convertor offer
Under the action of galvanic electricity, normal operation.
For CPU13 when detecting alarm condition, the coil 14 of control mainboard relay must be electric.Specifically, CPU13 is being detected
, can be in such a way that output control electric current when to alarm condition, the coil 14 of control mainboard relay must be electric.Mainboard relay
Normally opened feedback contact 15 be closed, to so that the coil 16 of intermediate relay it is electric.First normally opened feedback contact 17 and second
Normally opened feedback contact 18 is in closed state.The coil of normally open solenoid valve 11 and normally closed solenoid valve 12 it is electric, therefore, normally opened electricity
The valve body of magnet valve 11 is in closed state, and wind cannot be exported from the alleviation side of horizontal reversal valve 22, the valve body of normally closed solenoid valve 12
In the open state, the second wind path 25 is connected, and the wind of non-spring side 232 can be discharged by the second wind path 25 in checking cylinder 23,
The piston of checking cylinder stretches out, and electric locomotive is in on-position, i.e., when traction frequency convertor is in alarm condition, electric locomotive can be
Under the action of electric-locomotive air brake equipment provided in this embodiment, immediately be in on-position, avoid manually brake it is too late
When and existing security risk.
Electric-locomotive air brake equipment provided in this embodiment, by the way that traction frequency convertor, normally open solenoid valve, normally closed electricity is arranged
Magnet valve, horizontal reversal valve and checking cylinder, wherein traction frequency convertor includes central processor CPU, the coil of mainboard relay, master
The normally opened feedback contact of plate relay, the coil of intermediate relay, the first normally opened feedback contact of intermediate relay and centre
Second normally opened feedback contact of relay, CPU are electrically connected with the coil of mainboard relay, the normally opened feedback contact of mainboard relay
One end and intermediate relay coil one end connect, the other end of the normally opened feedback contact of mainboard relay and the one of power supply
The other end of end connection, the other end of the coil of intermediate relay and power supply connects, one end of the first normally opened feedback contact with often
One end of open electromagnetic valve is electrically connected, and the other end of the first normally opened feedback contact is electrically connected with one end of power supply, normally open solenoid valve
The other end is electrically connected with the other end of power supply, and one end of the second normally opened feedback contact is electrically connected with one end of normally closed solenoid valve, the
The other end of two normally opened feedback contacts is electrically connected with one end of power supply, and the other end of normally closed solenoid valve and the other end of power supply are electrically connected
It connects, the public side of horizontal reversal valve is connected to blast main, and the handle of horizontal reversal valve is located at alleviating position, the alleviation of horizontal reversal valve
Side is connected to the non-spring side of checking cylinder, forms the first wind path, and the non-spring side of checking cylinder is also connected to exhaust outlet, forms second
The spring side of wind path, checking cylinder is connected to the brake side of horizontal reversal valve, and CPU is used for when detecting alarm condition, control master
The coil of plate relay obtains electric;Normally open solenoid valve is set on the first wind path, the on or off for controlling the first wind path, often
It closes solenoid valve to be set on the second wind path, the on or off for controlling the second wind path is realized and is in traction frequency convertor
When alarm condition, can be by mainboard relay, intermediate relay, normally open solenoid valve and normally closed solenoid valve under the action of, control
The state of first wind path and the second wind path enables electric locomotive to be avoided compared to the prior art in on-position in time
It is artificial to brake existing security risk not in time, to improve the safety of field operation.
Further, in the above-described embodiments, the alarm condition of traction frequency convertor may include in overcurrent, overvoltage and high temperature
At least one.Traction frequency convertor can cause to draw at least one of state in overcurrent, overvoltage and high temperature state
Therefore the damage of frequency converter sets these three states to alarm condition, traction frequency convertor can be protected without damage.It is optional
, traction frequency convertor can also include:Current sensing means, voltage check device and high-temperature detection device.This three detection dresses
It sets and is electrically connected with CPU, current sensing means is used to input the current signal of traction frequency convertor to CPU, and voltage check device is used
In the voltage signal for inputting traction frequency convertor to CPU, high-temperature detection device is used to input the temperature letter of traction frequency convertor to CPU
Number.High-temperature detection device can be temperature sensor.Different detection devices is set, the accuracy rate of detection can be improved.
Further, traction frequency convertor further includes envelope machine instruction execution module.Envelope machine instruction execution module is electrically connected with CPU
It connects.Correspondingly, CPU is additionally operable to when detecting alarm condition, to envelope machine instruction execution module input envelope machine instruction.Envelope machine instructs
Execution module executes envelope machine instruction after receiving the instruction of envelope machine, to make traction frequency convertor be in envelope machine state, to avoid
The damage of control unit and inversion unit extends the usage time of traction frequency convertor.
Optionally, the electric locomotive in above-described embodiment is mining electric locomotive, to improve the safety at underground work scene.
The embodiment of the present invention also provides a kind of electric locomotive, including the electric locomotive air that car body and any of the above-described embodiment provide
Brake apparatus.Wherein, electric-locomotive air brake equipment is arranged on the car body.
Electric locomotive provided in this embodiment can be in electric locomotive air damping when traction frequency convertor is in alarm condition
Under the action of device, it is in on-position in time, to improve the safety of field operation.
One of ordinary skill in the art will appreciate that:Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence;And storage medium above-mentioned includes:ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of electric-locomotive air brake equipment, which is characterized in that including:Traction frequency convertor, normally open solenoid valve, normally closed electromagnetism
Valve, horizontal reversal valve and checking cylinder;
Wherein, the traction frequency convertor include central processor CPU, the coil of mainboard relay, the mainboard relay it is normal
Open feedback contact, the coil of intermediate relay, the first normally opened feedback contact of the intermediate relay and the intermediate relay
Second normally opened feedback contact of device;
The CPU is electrically connected with the coil of the mainboard relay, one end of the normally opened feedback contact of the mainboard relay with
One end of the coil of the intermediate relay is electrically connected, the other end of the normally opened feedback contact of the mainboard relay and power supply
One end connects, and the other end of the coil of the intermediate relay is connect with the other end of the power supply, the first normally opened feedback
One end of contact is electrically connected with one end of the normally open solenoid valve, the other end and the power supply of the first normally opened feedback contact
One end electrical connection, the other end of the normally open solenoid valve is electrically connected with the other end of the power supply, the second normally opened feedback
One end of contact is electrically connected with one end of the normally closed solenoid valve, the other end and the power supply of the second normally opened feedback contact
One end electrical connection, the other end of the normally closed solenoid valve is electrically connected with the other end of the power supply;
The public side of the horizontal reversal valve is connected to blast main, and the handle of the horizontal reversal valve is located at alleviating position, the water
The alleviation side of flat reversal valve is connected to the non-spring side of the checking cylinder, forms the first wind path, the non-spring side of the checking cylinder
It is also connected to exhaust outlet, forms the second wind path, the spring side of the checking cylinder is connected to the brake side of the horizontal reversal valve;Institute
CPU is stated for when detecting alarm condition, control the mainboard relay coil obtain it is electric;The normally open solenoid valve is set to
On first wind path, the on or off for controlling first wind path;The normally closed solenoid valve is set to described second
On wind path, the on or off for controlling second wind path.
2. the apparatus according to claim 1, which is characterized in that the power supply is direct-current switch power supply.
3. device according to claim 1 or 2, which is characterized in that the alarm condition includes at least the one of following state
Kind:Overcurrent, overvoltage and high temperature.
4. device according to claim 3, which is characterized in that the traction frequency convertor further includes:Current sensing means, electricity
Press detection device and high-temperature detection device;
The current sensing means, the voltage check device and the high-temperature detection device are electrically connected with the CPU respectively;
The current sensing means is used to input the current signal of the traction frequency convertor, the voltage detecting dress to the CPU
The voltage signal for inputting the traction frequency convertor to the CPU is set, the high-temperature detection device is used to input to the CPU
The temperature signal of the traction frequency convertor.
5. the apparatus according to claim 1, which is characterized in that the traction frequency convertor further includes envelope machine instruction execution mould
Block;The envelope machine instruction execution module is electrically connected with the CPU, and the CPU is additionally operable to when detecting the alarm condition, to
The envelope machine instruction execution module input envelope machine instruction;The envelope machine instruction execution module is for executing the envelope machine instruction.
6. the apparatus according to claim 1, which is characterized in that the electric locomotive is mining electric locomotive.
7. a kind of electric locomotive, which is characterized in that including:Car body and electric locomotive air system as claimed in any one of claims 1 to 6
Dynamic device, wherein the electric-locomotive air brake equipment is set on the car body.
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CN201610893889.XA CN106428096B (en) | 2016-10-13 | 2016-10-13 | Electric-locomotive air brake equipment and electric locomotive |
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CN201610893889.XA CN106428096B (en) | 2016-10-13 | 2016-10-13 | Electric-locomotive air brake equipment and electric locomotive |
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CN106428096B true CN106428096B (en) | 2018-10-09 |
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CN204055821U (en) * | 2014-09-28 | 2014-12-31 | 青岛思锐科技有限公司 | Motor train unit brak control unit |
CN104401352B (en) * | 2014-11-20 | 2017-01-04 | 中车资阳机车有限公司 | Locomotive sky electricity composite braking control system |
CN206107253U (en) * | 2016-10-13 | 2017-04-19 | 中车兰州机车有限公司 | Electric locomotive pneumatic braking device and electric locomotive |
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2016
- 2016-10-13 CN CN201610893889.XA patent/CN106428096B/en active Active
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