CN204927856U - Quiet accent power cabinet - Google Patents
Quiet accent power cabinet Download PDFInfo
- Publication number
- CN204927856U CN204927856U CN201520561440.4U CN201520561440U CN204927856U CN 204927856 U CN204927856 U CN 204927856U CN 201520561440 U CN201520561440 U CN 201520561440U CN 204927856 U CN204927856 U CN 204927856U
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- CN
- China
- Prior art keywords
- cabinet
- cable
- circuit breaker
- contactor
- room
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- 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.)
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
The utility model relates to a quiet accent power cabinet, including the cabinet body, isolator, circuit breaker, contactor, fuse, shunt, relay and programmable controller, internal primary element room and the secondary control component room of being equipped with of cabinet, be equipped with the protection baffle between primary element room and the secondary control component room, isolator, circuit breaker, contactor, fuse and shunt are located the primary element is indoor, relay and programmable controller are located secondary control component room. The utility model discloses a structural design of integration, circuit breaker, isolator, contactor in an organic whole are collected to it, mutually support, realize the feed function jointly, have increased quiet accent power cabinet's security, simultaneously, separately arrange primary element and secondary component at the cabinet internal, just so both ensured that electrical safety still reduces electromagnetic interference, made things convenient for operating repair simultaneously.
Description
Technical field
The utility model relates to a kind of switch cubicle, is specifically related to a kind of quiet tune power cabinet.
Background technology
Railcar is after maintenance, need to carry out static debugging to train, in the enterprising Mobile state debugging of test run line, qualifiedly just to put into effect afterwards, quiet tune power cabinet is by obtaining DC1500V or DC750V power supply and the input of AC220V power supply meets the electric equipment of train and the maintenance and debugging of air-conditioning to DC1500V or DC750V demand from outside, debugged by the auxiliary power unit of control system to subway train of quiet tune power cabinet, and avoid because vehicle fault damages electrical network simultaneously.But, because complex structure, the performance of component equipment fall into disarray to its electric equipment exert a certain influence, conveniently also there is hidden danger in fail safe in current quiet tune power cabinet simultaneously.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of function admirable, fail safe quiet tune power cabinet high, easy to use.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of quiet tune power cabinet, comprise cabinet, isolating switch, circuit breaker, contactor, fuse, shunt, relay and Programmable Logic Controller, primary element room and linear quadratic control element chamber is provided with in described cabinet, guard screen is provided with between described primary element room and linear quadratic control element chamber, described isolating switch, circuit breaker, contactor, it is indoor that fuse and shunt are positioned at described primary element, described relay and Programmable Logic Controller are positioned at described linear quadratic control element chamber, described isolating switch, circuit breaker, contactor, fuse and shunt are connected successively, described isolating switch, circuit breaker and contactor are electrically connected with described relay and Programmable Logic Controller respectively.
The beneficial effects of the utility model are: the utility model adopts the structural design of integration, it integrates circuit breaker, isolating switch, contactor, cooperatively interact, jointly realize feeding function, power supply is delivered on train through isolating switch, circuit breaker and contactor successively, these three large components and parts adopt electrical interlock, necessary first closing by hand isolating switch, then the direct current quick breaker that closes a floodgate, last closing contactor, jointly realize transmission process, add the fail safe of quiet tune power cabinet; Simultaneously, primary element and secondary component are arranged separately in cabinet by the utility model, the primary elements such as circuit breaker, contactor, isolating switch, fuse, shunt are arranged in primary element room, the linear quadratic control such as Programmable Logic Controller, relay equipment is arranged in linear quadratic control element chamber, so just both guaranteed that electrical safety also reduced electromagnetic interference, maintained easily maintenance simultaneously.
On the basis of technique scheme, the utility model can also do following improvement.
Further, also comprise direct voltage transmitter, described direct voltage transmitter is arranged in described linear quadratic control element chamber, and one end of described direct voltage transmitter is electrically connected with described shunt, and the other end of described direct voltage transmitter is electrically connected with described Programmable Logic Controller.
Adopt the beneficial effect of above-mentioned further scheme to be: for input and output voltage, current fluctuation can to the infringement of components and parts, and fault may produce electrical network and impacts, the utility model adopts overvoltage, overcurrent, reverse current protection; Voltage protection: measured value comprises primary voltage and feeder voltage, respectively in end of incoming cables and leading-out terminal sampling, is converted into low voltage signal input Programmable Logic Controller through direct voltage transmitter and carries out logical operation, realize display and defencive function; Overcurrent, reverse current protection: in shunt sampling, after the process of direct voltage transmitter, input Programmable Logic Controller carry out logical operation, realize overcurrent, reverse current protection.
Further, bus-bar room and cable vault is also provided with in described cabinet, described bus-bar room and cable vault are positioned at the rear portion of described primary element room and linear quadratic control element chamber, positive pole busbar, feeding circuit and cable connector is provided with in described bus-bar room, described cable connector is connected with cable, cable stationary barrier, cable laying passage and fixture is provided with in described cable vault, described cable passes bus-bar room and stretches on the cable laying passage in described cable vault, and is fixed by cable stationary barrier or fixture.
Further, described cable comprises output cable, and the termination of described output cable is equipped with the plug matched with train input hole.
The beneficial effect of above-mentioned further scheme is adopted to be: quiet tune power cabinet output cable configures special plug at cable socket, can plug and play, facilitate train to input.
Further, described cabinet top is provided with warning lamp, and described warning lamp is Combined warning lamp, and described bottom of cabinet bulk is provided with tape cable perforation and zinc-plated cover plate, and described cover plate is provided with insulated cable fixture.
Adopt the beneficial effect of above-mentioned further scheme to be: cabinet top design warning lamp, warning lamp is Combined warning lamp, when linear quadratic control circuit power transmission in cabinet, and bright orange lamp, prompting now can operate quiet tune power cabinet; After primary element power transmission, when red also glimmers, and plays warning function; The cover plate of bottom of cabinet bulk not only can ensure the degree of protection that switch cubicle specifies, prevent from toy and be strayed into switch cubicle in humid area snake class by cable trough causing short circuit accident, the moisture simultaneously also reducing cable trough shortens the useful life of switchgear to the corrosion of switch cubicle internal unit.
Further, the front portion of described cabinet is provided with cabinet door, and described cabinet door is provided with electromagnetic lock, and described electromagnetic lock and described circuit breaker are interlocked.
The beneficial effect of above-mentioned further scheme is adopted to be: cabinet door design electromagnetic lock, electromagnetic lock and circuit breaker electrical interlock, in the charged situation of primary element, cabinet door can not be opened, prevent operating personnel and attendant's mistakenly entering charged chamber, if opened the door by force, circuit breaker trip, automatic disjunction power supply, ensure that the safety of personnel.
Further, also comprise scram button, described scram button is electrically connected with described circuit breaker and contactor respectively, and described scram button is provided with two, scram button described in one of them is positioned on described cabinet door, and wherein scram button described in another is positioned on the predeterminated position away from cabinet.
The beneficial effect of above-mentioned further scheme is adopted to be: described scram button is provided with two, scram button described in one of them is positioned on described cabinet door, wherein scram button described in another is positioned on the predeterminated position away from cabinet, it can be arranged on the other post of garage maintenance vehicle, in case of emergency, can by the scram button on lower cabinet door or on the other post of vehicle to be checked, circuit breaker in cabinet and contactor trip immediately, thus cut off the electricity supply, its simple operation, simple, achieve the shutoff of emergency.
Further, described Programmable Logic Controller is reserved with communication interface, described communication interface is provided with two, and communication interface described in one of them is electrically connected with local display screen, and wherein communication interface described in another is electrically connected with long-range comprehensive control room.
The beneficial effect of above-mentioned further scheme is adopted to be: reserved communication interface on Programmable Logic Controller, Programmable Logic Controller has two communication interfaces, one of them keeps for locality, display screen can be connect, another communication port keeps for Zong Kong room, a distant place, all can carry out information gathering and operation at local display screen and a distant place; Combining control room in the distance also can the divide-shut brake of operating breaker and contactor, make the quiet tune power cabinet of the utility model realize controlling, the digitlization of protection and measuring ability, intellectuality and networking.
Further, described circuit breaker is equipped with arc-blowing device, described contactor is provided with exchange hole.
The beneficial effect of above-mentioned further scheme is adopted to be: circuit breaker configures independent arc-blowing device to increase the direct-axis gradient of arc stream; Contactor then establishes exchange hole newly on the contactor, utilizes the electric simulation strength between flow at high speed air increase arc gap, thus reaches arc extinguishing; Meanwhile, what isolating switch can increase contact opens distance to increase the final arc extinguishing of arc length.The mode that the utility model adopts multiple arc extinguishing to combine, improves the performance of element.
Further, described cabinet is provided with earth leakage protective device, and described earth leakage protective device is electrically connected with Programmable Logic Controller.
The beneficial effect of above-mentioned further scheme is adopted to be: on cabinet, earth leakage protective device to be installed; earth leakage protective device auxiliary access Programmable Logic Controller module; if earth leakage protective device action; Programmable Logic Controller sends trip signal; and trip in 0.1S contactor thus disjunction power supply, effectively ensure that the safety of operation site.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of quiet tune power cabinet of the utility model;
Fig. 2 is the end view of a kind of quiet tune power cabinet of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, cabinet, 2, isolating switch, 3, circuit breaker, 4, contactor, 5, primary element room, 6, linear quadratic control element chamber, 7, guard screen, 8, bus-bar room, 9, cable vault, 10, warning lamp, 11, cover plate, 12, cabinet door, 13, electromagnetic lock.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As Fig. 1, a kind of quiet tune power cabinet shown in Fig. 2, comprise cabinet 1, isolating switch 2, circuit breaker 3, contactor 4, fuse, shunt, relay, Programmable Logic Controller and direct voltage transmitter, primary element room 5 and linear quadratic control element chamber 6 is provided with in described cabinet 1, guard screen 7 is provided with between described primary element room 5 and linear quadratic control element chamber 6, describedly keep apart 2 passes, circuit breaker 3, contactor 4, fuse and shunt are positioned at described primary element room 5, described relay, Programmable Logic Controller and direct voltage transmitter are positioned at described linear quadratic control element chamber 6, circuit breaker 3, contactor 4, isolating switch 2, fuse, shunt is primary element, Programmable Logic Controller, relay is secondary component, in primary element and secondary component Fen Fang different chamber, both electrical safety was guaranteed, electromagnetic interference can be prevented again, also convenient maintenance.Described isolating switch 2, circuit breaker 3, contactor 4, fuse and shunt are connected successively; After outside 1500V or 750V direct current flows through isolating switch 2, circuit breaker 3, contactor 4, fuse and shunt successively, be transported on train, wherein isolating switch 2, circuit breaker 3 and contactor 4 realize closing and controlling power supply, this three large element adopts electrical interlock, necessary first closing by hand isolating switch 2, then the circuit breaker 3 that closes a floodgate, last closing contactor 4, jointly realize transmission process, fuse energy disjunction overcurrent fast, prevents overcurrent from burning out electric equipment on train.Described isolating switch 2, circuit breaker 3 and contactor 4 are electrically connected with described relay and Programmable Logic Controller respectively, one end of described direct voltage transmitter is electrically connected with described shunt, and the other end of described direct voltage transmitter is electrically connected with described Programmable Logic Controller; Wherein, shunt realizes galvanic sampling, and current signal is transported on Programmable Logic Controller the most at last, realizes current measurement and current protection, and the utility model adopts overvoltage, overcurrent, reverse current protection; Voltage protection: measured value comprises primary voltage and feeder voltage, respectively in end of incoming cables and leading-out terminal sampling, is converted into low voltage signal input Programmable Logic Controller through direct voltage transmitter and carries out logical operation, realize display and defencive function; Overcurrent, reverse current protection: sample at shunt; after the process of direct voltage transmitter, input Programmable Logic Controller carry out logical operation; realize overcurrent, reverse current protection, avoid input and output voltage, current fluctuation can may produce impact to electrical network to the infringement of components and parts and fault.
Described cabinet 1 is provided with earth leakage protective device, and described earth leakage protective device is connected with Programmable Logic Controller; At quiet tune power cabinet, earth leakage protective device is installed; earth leakage protective device auxiliary access Programmable Logic Controller, if earth leakage protective device action, Programmable Logic Controller sends trip signal; and trip in 0.1S contactor thus disjunction power supply, effectively ensure that the safety of operation site.
Bus-bar room 8 and cable vault 9 is also provided with in described cabinet 1, described bus-bar room 8 and cable vault 9 are positioned at 1 rear portion of described primary element room 5 and linear quadratic control element chamber 6, positive pole busbar, feeding circuit and cable connector is provided with in described bus-bar room 8, described cable connector is connected with cable, cable stationary barrier, cable laying passage and fixture is provided with in described cable vault 9, described cable passes bus-bar room and stretches on the cable laying passage in described cable vault 9, and is fixed by cable stationary barrier or fixture.
Described cable comprises output cable, and the termination of described output cable is equipped with the plug matched with train input hole; Quiet tune power cabinet output cable configures special plug special at cable socket, can plug and play, facilitates train to input.
Described cabinet 1 top is provided with warning lamp 10, and described warning lamp 10 is Combined warning lamp; Cabinet 1 top design warning lamp, warning lamp is Combined warning lamp, combined by red light and amber light, amber light is connected with the linear quadratic control circuit in cabinet, and red light is connected with the primary element circuit in cabinet, when linear quadratic control circuit power transmission in cabinet 1, bright orange lamp, prompting now can operate, after primary element power transmission quiet tune power cabinet, when red also glimmers, and plays warning function.Be provided with tape cable perforation bottom described cabinet 1 and zinc-plated cover plate 11, described cover plate 11 is provided with insulated cable fixture; Cover plate 11 bottom cabinet 1 not only can ensure the degree of protection that switch cubicle specifies, prevent from toy and be strayed into switch cubicle in humid area snake class by cable trough causing short circuit accident, the moisture simultaneously also reducing cable trough shortens the useful life of switchgear to the corrosion of switch cubicle internal unit.
The front portion of described cabinet 1 is provided with cabinet door 12, and described cabinet door 12 is provided with electromagnetic lock 13, and described electromagnetic lock 13 is interlocked with described circuit breaker 3; Cabinet door 12 designs electromagnetic lock 13, and electromagnetic lock 13 and circuit breaker 3 electrical interlock, in the charged situation of primary element, cabinet door 12 can not be opened, prevent operating personnel and attendant's mistakenly entering charged chamber, if opened the door by force, circuit breaker 3 trips, and automatic disjunction power supply, ensure that the safety of personnel.
The utility model is also provided with scram button, described scram button is electrically connected with described circuit breaker 3 and contactor 4 respectively, described scram button is provided with two, scram button described in one of them is positioned on described cabinet door 12, wherein scram button described in another is positioned on the predeterminated position away from cabinet, and this position of presetting can be on the post on maintenance vehicle side, garage; In case of emergency, can by the scram button on lower cabinet door 12 or on the other post of vehicle to be checked, circuit breaker 3 and the contactor 4 of quiet tune cabinet trip immediately, thus cut off the electricity supply, its simple operation, simple, achieve the shutoff of emergency.
Described Programmable Logic Controller is reserved with communication interface, and described communication interface is provided with two; One of them keeps for locality, display screen can be connect, another communication interface keeps for Zong Kong room, a distant place, all information gathering and operation can be carried out at local display screen and a distant place, collectable signal comprises all accidents, alarm signal in the position signalling of isolating switch, circuit breaker and contactor, quiet tune cabinet, and voltage, electric current analog acquisition, combining control room in the distance also can the divide-shut brake of operating breaker and contactor.
Described circuit breaker is equipped with arc-blowing device, and described contactor is provided with exchange hole, and circuit breaker configures independent arc-blowing device to increase the direct-axis gradient of arc stream; Contactor then establishes exchange hole newly on the contactor, utilizes the electric simulation strength between flow at high speed air increase arc gap, thus reaches arc extinguishing; Meanwhile, what also can increase contact on isolating switch opens distance to increase the final arc extinguishing of arc length.The mode that the utility model adopts multiple arc extinguishing to combine, improves the performance of element.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a quiet tune power cabinet, it is characterized in that: comprise cabinet, isolating switch, circuit breaker, contactor, fuse, shunt, relay and Programmable Logic Controller, primary element room and linear quadratic control element chamber is provided with in described cabinet, guard screen is provided with between described primary element room and linear quadratic control element chamber, described isolating switch, circuit breaker, contactor, it is indoor that fuse and shunt are positioned at described primary element, described relay and Programmable Logic Controller are positioned at described linear quadratic control element chamber, described isolating switch, circuit breaker, contactor, fuse and shunt are connected successively, described isolating switch, circuit breaker and contactor are electrically connected with described relay and Programmable Logic Controller respectively.
2. the quiet tune power cabinet of one according to claim 1, it is characterized in that: also comprise direct voltage transmitter, described direct voltage transmitter is arranged in described linear quadratic control element chamber, one end of described direct voltage transmitter is electrically connected with described shunt, and the other end of described direct voltage transmitter is electrically connected with described Programmable Logic Controller.
3. the quiet tune power cabinet of one according to claim 1 and 2, it is characterized in that: in described cabinet, be also provided with bus-bar room and cable vault, described bus-bar room and cable vault are positioned at the rear portion of described primary element room and linear quadratic control element chamber, positive pole busbar is provided with in described bus-bar room, feeding circuit and cable connector, described cable connector is connected with cable, cable stationary barrier is provided with in described cable vault, cable laying passage and fixture, described cable passes bus-bar room and stretches on the cable laying passage in described cable vault, and fixed by cable stationary barrier or fixture.
4. the quiet tune power cabinet of one according to claim 3, is characterized in that: described cable comprises output cable, and the termination of described output cable is equipped with the plug matched with train input hole.
5. the quiet tune power cabinet of one according to claim 1 and 2, it is characterized in that: described cabinet top is provided with warning lamp, described warning lamp is Combined warning lamp, and described bottom of cabinet bulk is provided with tape cable perforation and zinc-plated cover plate, and described cover plate is provided with insulated cable fixture.
6. the quiet tune power cabinet of one according to claim 1 and 2, it is characterized in that: the front portion of described cabinet is provided with cabinet door, described cabinet door is provided with electromagnetic lock, and described electromagnetic lock and described circuit breaker are interlocked.
7. the quiet tune power cabinet of one according to claim 6, it is characterized in that: also comprise scram button, described scram button is electrically connected with described circuit breaker and contactor respectively, described scram button is provided with two, scram button described in one of them is positioned on described cabinet door, and wherein scram button described in another is positioned on the predeterminated position away from cabinet.
8. the quiet tune power cabinet of one according to claim 1 and 2, it is characterized in that: described Programmable Logic Controller is reserved with communication interface, described communication interface is provided with two, communication interface described in one of them is electrically connected with local display screen, and wherein communication interface described in another is electrically connected with long-range comprehensive control room.
9. the quiet tune power cabinet of one according to claim 1 and 2, it is characterized in that: described circuit breaker is equipped with arc-blowing device, described contactor is provided with exchange hole.
10. the quiet tune power cabinet of one according to claim 1 and 2, it is characterized in that: described cabinet is provided with earth leakage protective device, described earth leakage protective device is electrically connected with Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561440.4U CN204927856U (en) | 2015-07-29 | 2015-07-29 | Quiet accent power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561440.4U CN204927856U (en) | 2015-07-29 | 2015-07-29 | Quiet accent power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927856U true CN204927856U (en) | 2015-12-30 |
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ID=54976955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520561440.4U Active CN204927856U (en) | 2015-07-29 | 2015-07-29 | Quiet accent power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204927856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524896A (en) * | 2018-10-16 | 2019-03-26 | 中车大连电力牵引研发中心有限公司 | High-voltage electrical box and train |
| CN111835055A (en) * | 2019-04-18 | 2020-10-27 | 台达电子企业管理（上海）有限公司 | Centralized charging cabinet |
-
2015
- 2015-07-29 CN CN201520561440.4U patent/CN204927856U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524896A (en) * | 2018-10-16 | 2019-03-26 | 中车大连电力牵引研发中心有限公司 | High-voltage electrical box and train |
| CN111835055A (en) * | 2019-04-18 | 2020-10-27 | 台达电子企业管理（上海）有限公司 | Centralized charging cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |