CN103481800B - Electrical cubicle high pressure alarming device and method for electric locomotive - Google Patents
Electrical cubicle high pressure alarming device and method for electric locomotive Download PDFInfo
- Publication number
- CN103481800B CN103481800B CN201310433619.7A CN201310433619A CN103481800B CN 103481800 B CN103481800 B CN 103481800B CN 201310433619 A CN201310433619 A CN 201310433619A CN 103481800 B CN103481800 B CN 103481800B
- Authority
- CN
- China
- Prior art keywords
- electrical cubicle
- key
- electric locomotive
- cubicle
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/06—Power storing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/28—Door position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/10—Driver interactions by alarm
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses a kind of electrical cubicle high pressure alarming device for electric locomotive and method, this electrical cubicle high pressure alarming device being used for electric locomotive includes: the voltage sensor being arranged on electrical cubicle and high voltage indicator, the auxiliary converter cabinet door lock being arranged on electrical cubicle, voltage sensor is connected with high voltage indicator, and voltage sensor is connected with auxiliary converter cabinet door lock；Wherein, when the input electric energy of electric locomotive is cut off, the dump energy of existence is discharged by the energy-storage travelling wave tube within electrical cubicle by the discharge equipment of therein, by the discharge scenario of voltage sensor senses energy storage device, indicates discharge scenario by high voltage indicator；By voltage sensor, voltage signal is sent on the auxiliary converter cabinet door lock of electrical cubicle, by auxiliary converter cabinet door-lock opening.The embodiment of the present invention is possible to prevent driver and conductor and maintainer to open cabinet door in the case of electrical cubicle is charged, improves safety.
Description
Technical field
The present embodiments relate to electric locomotive technical field, particularly relate to a kind of electricity for electric locomotive
Air screen cabinet high pressure alarming device and method.
Background technology
In the world today, electric locomotive has marched toward AC Drive epoch, electric power from the DC Transmission epoch
The most therefore locomotive has moved towards the high-speed overload stage, it is thus achieved that unprecedented development.Electrical appliance screen cabinet is electric power
The important component part of locomotive, is the important leverage that is achieved of locomotive electric cad system performance.Along with AC Drive
The development of technology, the capacity of current transformer is increasing, and voltage is more and more higher, and electric current is increasing, therefore,
Security requirement to converter cabinet is more and more higher.
Electric locomotive of the prior art, needs the function realized to get more and more, the electricity within electrical appliance screen cabinet
Device equipment also gets more and more, and along with the increasing of Converter Capacity, screen electric equipment voltage within cabinet more comes
The highest, electric current is increasing, and energy-storage travelling wave tube gets more and more, and therefore, the safety to converter cabinet proposes
Higher requirement.Additionally, the high pressure warning of screen cabinet for electric appliance of electric locomotive is mainly passed through corresponding by staff
Detection equipment and discharge equipment complete, there is certain danger and hysteresis quality, safety is the highest,
Also it is unfavorable for shielding the rapid-maintenance of cabinet.
Summary of the invention
The present invention provides a kind of electrical cubicle high pressure alarming device for electric locomotive and method, in order to solve
Certainly defect of the prior art, it is to avoid the electric shock that causes due to high-tension circuit, the injury such as burn, effectively
Ground protection driver and conductor and the safety of maintainer.
The embodiment of the present invention provides a kind of electrical cubicle high pressure alarming device for electric locomotive, and this is used for
The electrical cubicle high pressure alarming device of electric locomotive includes: be arranged on the voltage sensor on described electrical cubicle
Device and high voltage indicator, the auxiliary converter cabinet door lock being arranged on described electrical cubicle, described voltage sensor
Device is connected with described high voltage indicator, and described voltage sensor is connected with described auxiliary converter cabinet door lock；
Wherein,
When the input electric energy of described electric locomotive is cut off, the energy-storage travelling wave tube within described electrical cubicle will
The dump energy existed is discharged by the discharge equipment of therein, by described voltage sensor senses
The discharge scenario of described energy-storage travelling wave tube, indicates described discharge scenario by described high voltage indicator；
By described voltage sensor, voltage signal is sent to the described auxiliary converter cabinet of described electrical cubicle
On door lock, by described auxiliary converter cabinet door-lock opening.
The embodiment of the present invention provides a kind of electrical cubicle high pressure alarming method for power for electric locomotive, and this is used for
The electrical cubicle high pressure alarming method for power of electric locomotive includes:
When the input electric energy of described electric locomotive is cut off, the energy-storage travelling wave tube within described electrical cubicle will
The dump energy existed is discharged by the discharge equipment of therein, described in voltage sensor senses
The discharge scenario of energy-storage travelling wave tube, indicates described discharge scenario by high voltage indicator；
By described voltage sensor, voltage signal is sent to the auxiliary converter cabinet door lock of described electrical cubicle
On, by described auxiliary converter cabinet door-lock opening.
The present invention provide the electrical cubicle high pressure alarming device for electric locomotive, by voltage sensor,
High voltage indicator interacts thus controls opening of auxiliary converter cabinet door lock, such that it is able to effectively prevent department
Take advantage of personnel and maintainer to open cabinet door in the case of electrical cubicle is charged, improve safety.
Accompanying drawing explanation
The electrical cubicle high pressure alarming device for electric locomotive that Fig. 1 provides for one embodiment of the invention
Structural representation.
The electrical cubicle high pressure for electric locomotive that Fig. 2 provides for another embodiment of the present invention warns dress
The structural representation put.
The electrical cubicle high pressure alarming method for power for electric locomotive that Fig. 3 provides for one embodiment of the invention
Schematic flow sheet.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
The electrical cubicle high pressure alarming device for electric locomotive that Fig. 1 provides for one embodiment of the invention
Structural representation；As it is shown in figure 1, the electrical cubicle high pressure for electric locomotive that the present invention provides is alert
Showing device includes: the voltage sensor 11 being arranged on electrical cubicle 10 and high voltage indicator 12, arranges
Auxiliary converter cabinet door lock 13 on electrical cubicle 10, voltage sensor 11 and high voltage indicator 12 phase
Connecting, voltage sensor 12 is connected with auxiliary converter cabinet door lock 13.
Wherein, when the input electric energy of electric locomotive is cut off, the energy-storage travelling wave tube within electrical cubicle 10
The dump energy of existence is discharged by the discharge equipment of therein, is examined by voltage sensor 11
Survey the discharge scenario of energy-storage travelling wave tube, indicate discharge scenario by high voltage indicator 12；Pass through voltage sensor
Voltage signal is sent on the auxiliary converter cabinet door lock 13 of electrical cubicle 10 by device 11, by auxiliary converter
Cabinet door lock 13 is opened.
The electrical cubicle high pressure alarming device for electric locomotive that the embodiment of the present invention provides, passes through voltage
Sensor 11, high voltage indicator 12 interact thus control opening of auxiliary converter cabinet door lock 13, from
And can effectively prevent driver and conductor and maintainer from opening cabinet door in the case of electrical cubicle is charged, carry
High security.
The electrical cubicle high pressure for electric locomotive that Fig. 2 provides for another embodiment of the present invention warns dress
The structural representation put；As in figure 2 it is shown, the electrical cubicle high pressure for electric locomotive that the present invention provides
Alarming device includes: the voltage sensor 21 being arranged on electrical cubicle 20 and high voltage indicator 22, if
Put the auxiliary converter cabinet door lock 23 on electrical cubicle 20, voltage sensor 21 and high voltage indicator 22
Being connected, voltage sensor 22 is connected with auxiliary converter cabinet door lock 23；It is arranged on power screen cabinet 20
On pantograph isolating valve 24；The earthed switch 25 being arranged on power screen cabinet 20 and key locker 26,
Earthed switch 25 is connected with pantograph isolating valve 24, and key locker 26 is connected with earthed switch 25.
Wherein, when the input electric energy of electric locomotive is cut off, the energy-storage travelling wave tube within electrical cubicle 20
The dump energy of existence is discharged by the discharge equipment of therein, is examined by voltage sensor 21
Survey the discharge scenario of energy-storage travelling wave tube, indicate discharge scenario by high voltage indicator 22；Pass through voltage sensor
Voltage signal is sent on the auxiliary converter cabinet door lock 23 of electrical cubicle 20 by device 21, by auxiliary converter
Cabinet door lock 23 is opened.
When electric locomotive breaks down and stops, by the first key by described on power screen cabinet 20
Pantograph isolating valve 24 is placed in fall bow position and cuts off pantograph rising bow gas circuit, takes out the first key and inserts electrically
Under the top cover of screen cabinet 20 in the keyhole of earthed switch 25, now stick is pulled ground connection from operative position
Position, makes the roof high tension loop ground connection of electric locomotive.
By the second key controller earthed switch 25, rotate and take out the second key, the second key is inserted
In the key locker of electrical cubicle 20；Rotating the second key, solution lock out the 3rd key of key locker 26, the
Three keys are the door keys of electrical cubicle 20.
After the storage element within electrical cubicle 20 discharges completely, the door lock of electrical cubicle 20 is the 3rd
Rotate under the effect of key and unlock.
The electrical cubicle high pressure alarming device for electric locomotive that the embodiment of the present invention provides, passes through voltage
Sensor 11, high voltage indicator 12 interact thus control opening of auxiliary converter cabinet door lock 13, from
And can effectively prevent driver and conductor and maintainer from opening cabinet door in the case of electrical cubicle is charged, carry
High security；Use novel the first key, the second key, the such three grades of keys of the 3rd key chain
Control, be possible to prevent the danger such as the electric shock that driver and conductor and maintainer cause due to maloperation.
The electrical cubicle high pressure alarming method for power for electric locomotive that Fig. 3 provides for one embodiment of the invention
Schematic flow sheet；As it is shown on figure 3, the embodiment of the present invention comprises the steps:
Step 301, when the input electric energy of electric locomotive is cut off, the energy-storage travelling wave tube within electrical cubicle
The dump energy of existence is discharged by the discharge equipment of therein, is stored up by voltage sensor senses
The discharge scenario of energy element, indicates discharge scenario by high voltage indicator；
Step 302, by voltage sensor, voltage signal is sent to the auxiliary converter cabinet door of electrical cubicle
Lock, by auxiliary converter cabinet door-lock opening.
The electrical cubicle high pressure alarming method for power for electric locomotive that the embodiment of the present invention provides, passes through voltage
Sensor high voltage indicator interacts thus controls opening of auxiliary converter cabinet door lock, such that it is able to effectively
Prevent driver and conductor and maintainer from opening cabinet door in the case of electrical cubicle is charged, improve safety.
Further, in above-mentioned embodiment illustrated in fig. 3, also include after step 302:
When described electric locomotive breaks down and stops, will by the first key on described power screen cabinet
Pantograph isolating valve is placed in fall bow position and cuts off pantograph rising bow gas circuit, takes out described first key and inserts described
Under the top cover of electrical cubicle in earthed switch keyhole, now stick is pulled ground connection position from operative position,
Make the roof high tension loop ground connection of described electric locomotive.
Further, in above-mentioned embodiment illustrated in fig. 3, also include after step 302:
By the second key controller earthed switch, rotate and take out described second key, by described second key
Spoon inserts in the key locker of described electrical cubicle；
Rotating described second key, solution lock out the 3rd key of described electronic box, and described 3rd key is institute
State the door keys of electrical cubicle.
Further, in above-mentioned embodiment illustrated in fig. 3, also include after step 302:
After the described storage facilities within described electrical cubicle discharges completely, the door lock of electrical cubicle is in institute
State and rotate under the effect of the 3rd key and unlock.
Use novel the first key, the second key, the such three grades of chain controls of key of the 3rd key,
It is possible to prevent the danger such as the electric shock that driver and conductor and maintainer cause due to maloperation.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. the electrical cubicle high pressure alarming device for electric locomotive, it is characterized in that, the described electrical cubicle high pressure alarming device for electric locomotive includes: be arranged on the voltage sensor on described electrical cubicle and high voltage indicator, the auxiliary converter cabinet door lock being arranged on described electrical cubicle, described voltage sensor is connected with described high voltage indicator, and described voltage sensor is connected with described auxiliary converter cabinet door lock；Wherein,
When the input electric energy of described electric locomotive is cut off, the dump energy of existence is discharged by the energy-storage travelling wave tube within described electrical cubicle by the discharge equipment of therein, by the discharge scenario of energy-storage travelling wave tube described in described voltage sensor senses, indicate described discharge scenario by described high voltage indicator；
By described voltage sensor, voltage signal is sent on the described auxiliary converter cabinet door lock of described electrical cubicle, by described auxiliary converter cabinet door-lock opening；
Described device also includes: the pantograph isolating valve being arranged on described electrical cubicle；Wherein,
When described electric locomotive breaks down and stops, described pantograph isolating valve is placed in fall bow position by the first key by described electrical cubicle and cuts off pantograph rising bow gas circuit, take out described first key and insert under the top cover of described electrical cubicle in earthed switch keyhole, now stick is pulled ground connection position from operative position, make the roof high tension loop ground connection of described electric locomotive.
Electrical cubicle high pressure alarming device for electric locomotive the most according to claim 1, it is characterized in that, described device also includes: be arranged on the earthed switch on described electrical cubicle and key locker, described earthed switch is connected with described pantograph isolating valve, and described key locker is connected with described earthed switch；Wherein,
By earthed switch described in the second key controller, rotate and take out described second key, described second key being inserted in the key locker of described electrical cubicle；Rotating described second key, solution lock out the 3rd key of described key locker, and described 3rd key is the door keys of described electrical cubicle.
Electrical cubicle high pressure alarming device for electric locomotive the most according to claim 2, it is characterised in that
After the described energy-storage travelling wave tube within described electrical cubicle discharges completely, the door lock of electrical cubicle rotates under the effect of described 3rd key and unlocks.
4. the electrical cubicle high pressure alarming method for power for electric locomotive, it is characterised in that the described electrical cubicle high pressure alarming method for power for electric locomotive includes:
When the input electric energy of described electric locomotive is cut off, the dump energy of existence is discharged by the energy-storage travelling wave tube within described electrical cubicle by the discharge equipment of therein, by the discharge scenario of energy-storage travelling wave tube described in voltage sensor senses, indicate described discharge scenario by high voltage indicator；
By described voltage sensor, voltage signal is sent on the auxiliary converter cabinet door lock of described electrical cubicle, by described auxiliary converter cabinet door-lock opening；
Described method also includes:
When described electric locomotive breaks down and stops, pantograph isolating valve is placed in fall bow position by the first key by described electrical cubicle and cuts off pantograph rising bow gas circuit, take out described first key and insert under the top cover of described electrical cubicle in earthed switch keyhole, now stick is pulled ground connection position from operative position, make the roof high tension loop ground connection of described electric locomotive.
Electrical cubicle high pressure alarming method for power for electric locomotive the most according to claim 4, it is characterised in that described method also includes:
By the second key controller earthed switch, rotate and take out described second key, described second key being inserted in the key locker of described electrical cubicle；
Rotating described second key, solution lock out the 3rd key of described electrical cubicle, and described 3rd key is the door keys of described electrical cubicle.
Electrical cubicle high pressure alarming method for power for electric locomotive the most according to claim 5, it is characterised in that described method also includes:
After the energy-storage travelling wave tube within described electrical cubicle discharges completely, the door lock of electrical cubicle rotates under the effect of described 3rd key and unlocks.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310433619.7A CN103481800B (en) | 2013-09-23 | 2013-09-23 | Electrical cubicle high pressure alarming device and method for electric locomotive |
| PCT/CN2013/086192 WO2015039371A1 (en) | 2013-09-23 | 2013-10-30 | High-voltage warning device and method for electrical cabinet of electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310433619.7A CN103481800B (en) | 2013-09-23 | 2013-09-23 | Electrical cubicle high pressure alarming device and method for electric locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103481800A CN103481800A (en) | 2014-01-01 |
| CN103481800B true CN103481800B (en) | 2016-09-28 |
Family
ID=49822527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310433619.7A Active CN103481800B (en) | 2013-09-23 | 2013-09-23 | Electrical cubicle high pressure alarming device and method for electric locomotive |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103481800B (en) |
| WO (1) | WO2015039371A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401517A (en) * | 2002-09-20 | 2003-03-12 | 株洲时代电子技术有限公司 | Train contact net power supply source system |
| CN2796199Y (en) * | 2004-12-15 | 2006-07-12 | 辽宁省电力有限公司辽阳供电公司 | Unattended online monitoring comprehensive automatic control cabinet |
| CN2913085Y (en) * | 2006-04-30 | 2007-06-20 | 珠海南自电气系统工程有限公司 | Safety power supply apparatus for electrification railroad |
| CN201077368Y (en) * | 2007-10-22 | 2008-06-25 | 西南交通大学 | Electrified railroad homophase traction power supply system |
| CN202059053U (en) * | 2011-05-10 | 2011-11-30 | 于宝成 | Safety protective lockset of high-voltage electrical switch cabinet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201248213Y (en) * | 2008-08-27 | 2009-05-27 | 中国北车集团大同电力机车有限责任公司 | Screen cabinet for electric appliance of electric locomotive |
| US8320089B1 (en) * | 2009-04-16 | 2012-11-27 | Musco Corporation | Apparatus, method, and system for integrating ground fault circuit interrupters in equipment-grounded high voltage systems |
| CN102386590A (en) * | 2010-09-02 | 2012-03-21 | 中国北车集团大同电力机车有限责任公司 | Wiring method for electric locomotive |
| US8643225B2 (en) * | 2011-03-14 | 2014-02-04 | Rockwell Automation Technologies, Inc. | Lock-out, tag-out system using safety network |
| CN202389371U (en) * | 2011-12-16 | 2012-08-22 | 湖南工业大学 | High-tension alarming device of locomotive roof |
| CN202767684U (en) * | 2012-09-06 | 2013-03-06 | 南车株洲电力机车有限公司 | Locking device of locomotive high-voltage electric appliance screen cabinet door |
-
2013
- 2013-09-23 CN CN201310433619.7A patent/CN103481800B/en active Active
- 2013-10-30 WO PCT/CN2013/086192 patent/WO2015039371A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401517A (en) * | 2002-09-20 | 2003-03-12 | 株洲时代电子技术有限公司 | Train contact net power supply source system |
| CN2796199Y (en) * | 2004-12-15 | 2006-07-12 | 辽宁省电力有限公司辽阳供电公司 | Unattended online monitoring comprehensive automatic control cabinet |
| CN2913085Y (en) * | 2006-04-30 | 2007-06-20 | 珠海南自电气系统工程有限公司 | Safety power supply apparatus for electrification railroad |
| CN201077368Y (en) * | 2007-10-22 | 2008-06-25 | 西南交通大学 | Electrified railroad homophase traction power supply system |
| CN202059053U (en) * | 2011-05-10 | 2011-11-30 | 于宝成 | Safety protective lockset of high-voltage electrical switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015039371A1 (en) | 2015-03-26 |
| CN103481800A (en) | 2014-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104793148B (en) | Distributed generator islanding detection method based on grid entry point characteristic harmonics voltage measurement | |
| CN104241968B (en) | A kind of anti-misoperation short-circuit grounding device | |
| CN209486232U (en) | A kind of ac voltage withstanding test area safety device | |
| CN104201485A (en) | Short circuit grounding wire device with locking function | |
| CN104979770A (en) | Electricity testing grounding device preventing ground wire connection in electrified condition and preventing switch closing in the presence of ground wire | |
| CN108562814A (en) | A kind of resistance device for DC system grounding experiment | |
| CN103481800B (en) | Electrical cubicle high pressure alarming device and method for electric locomotive | |
| CN205595754U (en) | Earth -leakage protector with automated inspection function | |
| CN203310362U (en) | Vacuum circuit breaker contactor opening and closing position detection device | |
| CN206040566U (en) | Auxiliary ground device | |
| CN206148828U (en) | Safe industry maintenance box | |
| CN107633649A (en) | A kind of power high voltage cabinet cabinet door safety electric-beat warning mistaken opening preventer and anti-misoperation method | |
| CN211627693U (en) | Portable automatic phase sequence detection device | |
| CN203846895U (en) | Safety protection device of manhole cover of locomotive | |
| CN113911147A (en) | Locomotive and mechanical delay safety interlocking system and method | |
| CN206594239U (en) | A kind of screening clothing shield effectiveness detection means | |
| CN208820251U (en) | A kind of anti-error locking device of 6kV high-voltage switch cabinet mechanical | |
| CN207459538U (en) | A kind of electrical verification earth handcart device | |
| CN201569675U (en) | Local discharge testing power supply device for ultra-high-voltage transformer | |
| CN207114698U (en) | A kind of line parameter circuit value auxiliary test unit | |
| CN206759303U (en) | Generator car direct current self discharge device | |
| CN205139234U (en) | Super high voltage live warning device of non -contact teletransmission | |
| CN205388638U (en) | Small -size cable detection device | |
| CN205141337U (en) | It is experimental with flash of light warning shorting stub | |
| CN205265248U (en) | Emergent platform of dealing with of relay protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 037038 Shanxi City, Datong City Qianjin Street, No. 1 Patentee after: CNR DATONG ELECTRIC LOCOMOTIVE CO., LTD. Address before: 037038 Daqing Road, Shanxi, No. 1, No. Patentee before: CNR, Datong Electric Locomotive Co., Ltd. |
|
| CP03 | Change of name, title or address |