CN105449552A - Integrated power system - Google Patents
Integrated power system Download PDFInfo
- Publication number
- CN105449552A CN105449552A CN201510983681.2A CN201510983681A CN105449552A CN 105449552 A CN105449552 A CN 105449552A CN 201510983681 A CN201510983681 A CN 201510983681A CN 105449552 A CN105449552 A CN 105449552A
- Authority
- CN
- China
- Prior art keywords
- shape body
- power supply
- equipment
- cabinet
- supply unit
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention relates to the field of basic equipment for communication power systems, in particular to an integrated power system. The integrated power system comprises an equipment mounting platform which is arranged in a rodlike main body, wherein electric equipment and power supply equipment are arranged in the equipment mounting platform; the equipment mounting platform can move along the radial direction of the rodlike main body; the equipment mounting platform can move out of the rodlike main body or move in the rodlike main body; and the electric equipment and the power supply equipment are integrated by an internal space of the rodlike main body to form the integrated power system. A machine room does not need to be individually fabricated for mounting the electric equipment and the power supply equipment, so that the floor area of the rodlike main body is reduced; the land resource is saved; consumption of manpower and material resources is reduced; and the technical problems that an existing rodlike matched power supply system is relatively large in floor area and a lot of manpower and material resources are wasted are solved. The invention provides the integrated power system.
Description
Technical field
The present invention relates to the infrastructure device field of the power supply system for communications, particularly a kind of integrated electric origin system.
Background technology
In the capital constructions such as communication base station, high mast lighting and remote monitor, normal employing shape body is as the body of load bearing equipment, communication, illumination or watch-dog are arranged on shape body, along with the fast development of intelligent city, use the construction of shape body to get more and more.
At present, the facilities such as common communication base station, high mast lighting and remote monitor mainly comprise shape body and electric power system, as shown in Figure 1, independent machine room 2 is set usually outside shape body 1 control cubicle being provided with electric power system is installed, 24 hours uninterrupted power supplys are provided, to ensure that equipment is working properly to the electricity consumption setting in shape body 1 by the electric power system in control cubicle.But, outer machine room 2 floor space arranged separately of shape body 1 is wider, certain land resource waste can be caused, and shape body 1 and machine room 2 all disposed in the outdoor, not there is anti-theft feature, in equipment running process, there will be the situation that equipment unit is lost, need to drop into the Maintenance and Repair that more manpower and materials carry out equipment, waste more manpower and materials, particularly communication base station and lighting mast bar etc., owing to being arranged in the public greening band of city more, so not only can take more community land resource, and city integral image and attractive in appearance can be affected.Increasing city management department is no longer ready to accept this kind of mode.Simultaneously, because the machine room 2 be arranged on separately outside shape body 1 also to need in machine room 2 establishing for independent rack, air conditioner facility and heat-exchange system, to ensure the normal operation of equipment power supply unit and power consumption equipment, machine room 2 overall cost is higher, in manufacture and installation process, more manpower and materials are needed again to drop into.
In sum, need badly at present and want a kind of technical scheme, the machine room floor space solving the installation electric power system that existing shape body is arranged separately is outward wider, wastes the technical problem of more manpower and materials.
Summary of the invention
The machine room floor space that the object of the invention is to solve the installation electric power system that existing shape body is arranged separately is outward wider, wastes the technical problem of more manpower and materials, provides a kind of integrated electric origin system being applicable to shape body.
To achieve these goals, the technical scheme that the application adopts is:
Integrated electric origin system, comprise equipment mounting platform, power consumption equipment and power supply unit is provided with in described equipment mounting platform, described power supply unit provides power supply for power consumption equipment, described equipment mounting platform is arranged in shape body, described equipment mounting platform can move radially along shape body, makes described equipment mounting platform extensible or move into described shape body.By power supply unit being arranged in the equipment mounting platform in shape body, utilize the integrated power consumption equipment in shape body inner space and power supply unit, do not need to make separately machine room for installing power consumption equipment and power supply unit, decrease shape body floor space, save land resource, decrease expending of manpower and materials, simultaneously, shape body has thicker outer wall, power consumption equipment and power supply unit are arranged in shape body, there is certain anti-theft function, and because equipment mounting platform can move radially along shape body, power consumption equipment and power supply unit can be driven to shift out along shape body radial direction or move into shape body, can according to actual conditions mobile device mounting platform, equipment mounting platform is made to move into or shift out shape body, facilitate the installation of power consumption equipment in equipment mounting platform and power supply unit, safeguard and maintenance.
As the application's preferred version, described equipment mounting platform comprises Electric Appliance Cabinet and bracing or strutting arrangement, and described Electric Appliance Cabinet comprises cabinet door and cabinet, and described cabinet door is provided with anti-theft lock, described cabinet is slidably arranged on described bracing or strutting arrangement, and described bracing or strutting arrangement is fixedly connected with shape body.By arranging Electric Appliance Cabinet for installing power consumption equipment and power supply unit in shape body, the power-supply system forming integrated form provides power supply for the power consumption equipment in shape body, small volume, reduce occupation area of equipment, anti-theft lock is set on the cabinet door of Electric Appliance Cabinet simultaneously, make anti-theft effect better, prevent power consumption equipment and power supply unit stolen, what ensure equipment continues normal operation.
As the application's preferred version, described bracing or strutting arrangement comprises guide rail and slide block, described slide block is arranged at bottom of cabinet bulk, described slide block is fixedly connected with cabinet, described guide rail is arranged along shape body radial direction, described guide rail is fixedly connected with shape body, and described skid is arranged on described guide rail, enables Electric Appliance Cabinet skid off shape body.Arrange slide block to be fixedly connected with cabinet, when slide block moves along guide rail, Electric Appliance Cabinet moves with slide block, because guide rail is arranged along shape body radial direction, the extensible shape body of Electric Appliance Cabinet, forms drawer-type structure, can facilitate the installation of equipment, maintenance and maintenance after Electric Appliance Cabinet shifts out shape body.
As the preferred version of the application, described guide rail one end is provided with guide vane end stop.By described guide vane end stop slide block is limited on guide rail and moves, make slide block skid off guide rail, ensure that Electric Appliance Cabinet can not depart from guide rail and be connected.
As the application's preferred version, described shape body is provided with installing port, described installing port is provided with reinforcing frame, described cabinet door and reinforcing frame fasten.By the installing port on shape body arranges reinforcing frame, when Electric Appliance Cabinet is along rail moving, reinforcing frame ensures that Electric Appliance Cabinet can not topple due to gravity motion, ensures that in Electric Appliance Cabinet, equipment normally works.
As the application's preferred version, some dividing plates are provided with in described cabinet, described dividing plate installs lattice and at least one power supply unit installation lattice by being divided at least one power consumption equipment in cabinet, described power consumption equipment is installed in lattice and is provided with power consumption equipment, described power supply unit is installed in lattice and is provided with power supply unit, and described power supply unit is storage battery.By being divided into multiple power consumption equipment in the cabinet of Electric Appliance Cabinet, lattice and multiple power supply unit installation lattice are installed by dividing plate, make to place multiple power consumption equipment and multiple power supply unit in cabinet simultaneously, meet the power consumption equipment of the shape body of different size and the installation of power supply unit, make the scope of application of integrated electric origin system wider.
As the application's preferred version, comprise at least two equipment mounting platforms, described equipment mounting platform includes Electric Appliance Cabinet and bracing or strutting arrangement, and at least two described equipment mounting platforms are vertically arranged in shape body.By arranging at least two equipment mounting platforms in shape body, at least two equipment mounting platforms work independently, and meet the power consumption equipment of the shape body of different size and the installation of power supply unit further, make the scope of application of integrated electric origin system wider.
As the application's preferred version, described shape body is provided with air vent hole, described air vent hole is arranged at below bracing or strutting arrangement.By arranging air vent hole on shape body, air vent hole and shape body is made to produce stack effect, formation natural draft circulates, because air vent hole is arranged at below bracing or strutting arrangement, make natural wind from the bottom up through Electric Appliance Cabinet, make to be arranged on logical power consumption equipment in Electric Appliance Cabinet and power supply unit obtains good heat radiation, avoid the continuous service due to power consumption equipment and power supply unit produce localized hyperthermia and produce damage, ensure the normal operation of power consumption equipment and power supply unit.
In sum, owing to have employed technique scheme, the beneficial effect of the application is:
1, power supply unit is arranged in the equipment mounting platform in shape body, utilize the integrated power consumption equipment in shape body inner space and power supply unit, do not need to make separately machine room for installing power consumption equipment and power supply unit, decrease shape body floor space, save land resource, decrease expending of manpower and materials;
2, shape body has thicker outer wall, is arranged in shape body by power consumption equipment and power supply unit, has certain anti-theft function;
3, because equipment mounting platform can move radially along shape body, make described equipment mounting platform extensible or move into described shape body, power consumption equipment and power supply unit is driven to shift out or move into shape body, can according to actual conditions mobile device mounting platform, the equipment mounting platform of making shifts out shape body, facilitates the installation of power consumption equipment in equipment mounting platform and power supply unit, maintenance and maintenance.
The beneficial effect of other execution modes of the application is:
1, by being divided into multiple power consumption equipment in the cabinet of Electric Appliance Cabinet, lattice and multiple power supply unit installation lattice are installed by dividing plate, make to place multiple power consumption equipment and multiple power supply unit in cabinet simultaneously, meet the power consumption equipment of the shape body of different size and the installation of power supply unit, make the scope of application of integrated electric origin system wider.
2, by arranging at least two equipment mounting platforms in shape body, at least two equipment mounting platforms work independently, meet the power consumption equipment of the shape body of different size and the installation of power supply unit further, make the scope of application of integrated electric origin system wider.
3, air vent hole is set on shape body, air vent hole and shape body is made to produce stack effect, formation natural draft circulates, because air vent hole is arranged at below bracing or strutting arrangement, make natural wind from the bottom up through Electric Appliance Cabinet, make to be arranged on logical power consumption equipment in Electric Appliance Cabinet and power supply unit obtains good heat radiation, avoid the continuous service due to power consumption equipment and power supply unit produce localized hyperthermia and produce damage, ensure the normal operation of power consumption equipment and power supply unit.
Accompanying drawing explanation
Fig. 1 is the structural representation that existing shape body is connected with electric power system;
Fig. 2 is the structural representation of integrated electric origin system of the present invention;
Fig. 3 is the cross-sectional view that integrated electric origin system of the present invention is arranged on shape body;
Fig. 4 is the cross-sectional view that Electric Appliance Cabinet shifts out the integrated electric origin system of shape body;
Fig. 5 is the structural representation of the integrated electric origin system described in embodiment 2;
Fig. 6 is the structural representation of the integrated electric origin system of another implementation result of embodiment 2;
Fig. 7 is the mounted electric appliance cabinet structure schematic diagram described in embodiment 3.
reference numeral
1-shape body, 2-machine room, 3-Electric Appliance Cabinet, 31-cabinet door, 32-cabinet, 33-anti-theft lock, 4-power consumption equipment, 5-power supply unit, 6-bracing or strutting arrangement, 61-guide rail, 62-slide block, 63-guide vane end stop, 7-dividing plate, 8-reinforcing frame.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
embodiment 1
As accompanying drawing 2, shown in accompanying drawing 3 and accompanying drawing 4, integrated electric origin system, comprise equipment mounting platform, power consumption equipment 4 and power supply unit 5 is provided with in described equipment mounting platform, described power supply unit 5 provides power supply for power consumption equipment 4, described equipment mounting platform is arranged in shape body 1, described equipment mounting platform comprises Electric Appliance Cabinet 3 and bracing or strutting arrangement 6, described Electric Appliance Cabinet 3 comprises cabinet door 31 and cabinet 32, described shape body 1 is provided with installing port, described installing port is provided with reinforcing frame 8, described cabinet door 41 fastens with reinforcing frame 8, described cabinet door 31 is provided with anti-theft lock 33, described bracing or strutting arrangement 6 comprises guide rail 61 and slide block 62, described slide block 62 is arranged at bottom cabinet 32, described slide block 62 is fixedly connected with cabinet 32, described guide rail 61 is arranged along shape body 1 radial direction, described guide rail 61 is fixedly connected with shape body 1, described slide block 62 is slidably arranged on guide rail 61, Electric Appliance Cabinet 3 can be driven to move along guide rail 61, Electric Appliance Cabinet 3 is made to move into or shift out shape body 1, described guide rail 61 one end is provided with guide vane end stop 63, slide block 62 is limited on guide rail 61 and moves by described guide vane end stop 63, make slide block 62 can not skid off guide rail 61, ensure that Electric Appliance Cabinet 3 can not depart from guide rail 61 to be connected.By power supply unit 5 and power consumption equipment 4 being arranged in the Electric Appliance Cabinet 3 in shape body 1 simultaneously, form the power-supply system of integrated form, for the power consumption equipment 4 in shape body 1 provides power supply, utilize the integrated power consumption equipment 4 in shape body 1 inner space and power supply unit 5, small volume, not needing to make separately machine room for installing power consumption equipment 4 and power supply unit 5, decreasing shape body 1 floor space, save land resource, decrease expending of manpower and materials.Simultaneously, shape body 1 has thicker outer wall, power consumption equipment 4 and power supply unit 5 are arranged in shape body 1, there is certain anti-theft function, anti-theft lock 33 is set on the cabinet door 31 of Electric Appliance Cabinet 3 simultaneously, make anti-theft effect better, prevent power consumption equipment 4 and power supply unit 5 stolen, the lasting normal of guarantee equipment runs, and, because slide block 62 moves along guide rail 61, slide block 62 is fixedly connected with the cabinet 32 of Electric Appliance Cabinet 3, when slide block 62 moves along guide rail 61, Electric Appliance Cabinet 3 moves with slide block 62, because guide rail 61 is arranged along shape body 1 radial direction, the extensible shape body 1 of Electric Appliance Cabinet 3, form drawer-type structure, the installation of equipment can be facilitated after Electric Appliance Cabinet 3 shifts out shape body 1, safeguard and maintenance.Meanwhile, shape body 1 arranges reinforcing frame 8, when Electric Appliance Cabinet 3 moves along track 61, reinforcing frame 8 ensures that Electric Appliance Cabinet 3 can not topple due to gravity motion, ensures that in Electric Appliance Cabinet 3, equipment normally works.
Preferably, dividing plate 7 is provided with in described cabinet 32, described dividing plate 7 installs lattice and power supply unit installation lattice by being divided into power consumption equipment in cabinet 32, described power consumption equipment is installed in lattice and is provided with power consumption equipment 4, described power supply unit is installed in lattice and is provided with power supply unit 5, and described power supply unit 5 is storage battery.Installation lattice are divided into by the cabinet 32 of Electric Appliance Cabinet 3 by dividing plate 7, make to place power consumption equipment 4 and power supply unit 5 in cabinet 32 simultaneously, form integrated electric origin system, small volume, floor space is less, the power consumption equipment 4 of the shape body 1 of different size and the installation of power supply unit 5 can be met, make the scope of application of integrated electric origin system wider.
Preferably, described shape body 1 is provided with air vent hole 9, described air vent hole 9 is arranged at bracing or strutting arrangement less than 6.By arranging air vent hole 9 on shape body 1, air vent hole 9 and shape body 1 is made to produce stack effect, formation natural draft circulates, because air vent hole 9 is arranged at bracing or strutting arrangement less than 6, make natural wind from the bottom up through Electric Appliance Cabinet, make to be arranged on logical power consumption equipment 4 in Electric Appliance Cabinet 3 and power supply unit 5 obtains good heat radiation, avoid the continuous service due to power consumption equipment 4 and power supply unit 5 produce localized hyperthermia and produce damage, ensure the normal operation of power consumption equipment 4 and power supply unit 5.
embodiment 2
As shown in accompanying drawing 5, accompanying drawing 6, the structure of the integrated electric origin system of the present embodiment is identical with embodiment 1, difference is: comprise at least two equipment mounting platforms, described equipment mounting platform includes Electric Appliance Cabinet 3 and bracing or strutting arrangement 6, two described equipment mounting platforms are vertically arranged in shape body 1.By arranging at least two equipment mounting platforms in shape body 1, equipment mounting platform works independently, each equipment mounting platform all can arrange power consumption equipment 4 and power supply unit 5 simultaneously, and the Electric Appliance Cabinet 3 of equipment mounting platform all can go out shape body 1 along the track sliding of bracing or strutting arrangement 6, the quantity of equipment mounting platform can be two, three, four or more, make integrated electric origin system can meet the power consumption equipment 4 of the shape body 1 of different size and the installation of power supply unit 5, make the scope of application of integrated electric origin system wider.
embodiment 3
As shown in Figure 7, the structure of the integrated electric origin system of the present embodiment is identical with embodiment 2, difference is: dividing plate 7 installs lattice and at least two power supply units installation lattice by being divided at least two power consumption equipments in the cabinet 32 of Electric Appliance Cabinet 3, described power consumption equipment is installed in lattice and is provided with power consumption equipment 4, described power supply unit is installed in lattice and is provided with power supply unit 5, described power supply unit 5 is storage battery, described power consumption equipment installs lattice and power supply unit installation lattice can be two, three or more, multiple installation lattice are divided into by the cabinet 32 of Electric Appliance Cabinet 3 by dividing plate 7, make to place multiple power consumption equipment 4 and multiple power supply unit 5 in cabinet 32 simultaneously, form integrated electric origin system, small volume, utilize shape body 1 inner space, floor space is less, the power consumption equipment 4 of the shape body 1 of different size and the installation of power supply unit 5 can be met, make the scope of application of integrated electric origin system wider.
Above embodiment only in order to the present invention is described and and unrestricted technical scheme described in the invention, although this specification reference the above embodiments are to present invention has been detailed description, but the present invention is not limited to above-mentioned embodiment, therefore anyly the present invention is modified or equivalent to replace, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of invention, it all should be encompassed in right of the present invention.
Claims (8)
1. integrated electric origin system, comprise equipment mounting platform, power consumption equipment and power supply unit is provided with in described equipment mounting platform, described power supply unit provides power supply for power consumption equipment, it is characterized in that, described equipment mounting platform is arranged in shape body, and described equipment mounting platform can move radially along shape body, makes described equipment mounting platform extensible or move into described shape body.
2. integrated electric origin system as claimed in claim 1, it is characterized in that: described equipment mounting platform comprises Electric Appliance Cabinet and bracing or strutting arrangement, described Electric Appliance Cabinet comprises cabinet door and cabinet, described cabinet door is provided with anti-theft lock, described cabinet is slidably arranged on described bracing or strutting arrangement, and described bracing or strutting arrangement is fixedly connected with shape body.
3. integrated electric origin system as claimed in claim 2, it is characterized in that: described bracing or strutting arrangement comprises guide rail and slide block, described slide block is arranged at bottom of cabinet bulk, described slide block is fixedly connected with cabinet, described guide rail is arranged along shape body radial direction, described guide rail is fixedly connected with shape body, and described skid is arranged on described guide rail, enables Electric Appliance Cabinet skid off shape body.
4. integrated electric origin system as claimed in claim 3, is characterized in that: described guide rail one end is provided with guide vane end stop.
5. integrated electric origin system as claimed in claim 4, it is characterized in that: described shape body is provided with installing port, described installing port is provided with reinforcing frame, described cabinet door and reinforcing frame fasten.
6. integrated electric origin system as claimed in claim 5, it is characterized in that: in described cabinet, be provided with some dividing plates, described dividing plate installs lattice and at least one power supply unit installation lattice by being divided at least one power consumption equipment in cabinet, described power consumption equipment is installed in lattice and is provided with power consumption equipment, described power supply unit is installed in lattice and is provided with power supply unit, and described power supply unit is storage battery.
7. integrated electric origin system as claimed in claim 6, it is characterized in that: comprise at least two equipment mounting platforms, described in each, equipment mounting platform includes Electric Appliance Cabinet and bracing or strutting arrangement, and at least two described equipment mounting platforms are vertically arranged in shape body.
8. the integrated electric origin system as described in claim 1-7 any one, is characterized in that: described shape body is provided with air vent hole, and described air vent hole is arranged at below bracing or strutting arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983681.2A CN105449552B (en) | 2015-12-24 | 2015-12-24 | Integrated form power-supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983681.2A CN105449552B (en) | 2015-12-24 | 2015-12-24 | Integrated form power-supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105449552A true CN105449552A (en) | 2016-03-30 |
| CN105449552B CN105449552B (en) | 2018-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510983681.2A Active CN105449552B (en) | 2015-12-24 | 2015-12-24 | Integrated form power-supply system |
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| Country | Link |
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| CN (1) | CN105449552B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202884776U (en) * | 2012-09-28 | 2013-04-17 | 龙岩市鑫珍金能源科技有限公司 | Solar energy street lamp |
| CN203321048U (en) * | 2013-05-23 | 2013-12-04 | 广州信盛通信设备有限公司 | Mobile communication base station and communication tower thereof |
| CN203961363U (en) * | 2014-03-10 | 2014-11-26 | 浙江八方电信有限公司 | A kind of integrated form integrated base station |
| CN104332832A (en) * | 2014-11-20 | 2015-02-04 | 成都顺通电器成套有限公司 | Stable and movable component installing structure for switch cabinet |
| CN204858335U (en) * | 2015-05-15 | 2015-12-09 | 人民电器集团江苏斯诺成套设备工程有限公司 | Block terminal convenient to maintenance |
| CN205212247U (en) * | 2015-12-24 | 2016-05-04 | 德阳市恒达灯具制造有限公司 | Integrated form electrical power generating system |
-
2015
- 2015-12-24 CN CN201510983681.2A patent/CN105449552B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202884776U (en) * | 2012-09-28 | 2013-04-17 | 龙岩市鑫珍金能源科技有限公司 | Solar energy street lamp |
| CN203321048U (en) * | 2013-05-23 | 2013-12-04 | 广州信盛通信设备有限公司 | Mobile communication base station and communication tower thereof |
| CN203961363U (en) * | 2014-03-10 | 2014-11-26 | 浙江八方电信有限公司 | A kind of integrated form integrated base station |
| CN104332832A (en) * | 2014-11-20 | 2015-02-04 | 成都顺通电器成套有限公司 | Stable and movable component installing structure for switch cabinet |
| CN204858335U (en) * | 2015-05-15 | 2015-12-09 | 人民电器集团江苏斯诺成套设备工程有限公司 | Block terminal convenient to maintenance |
| CN205212247U (en) * | 2015-12-24 | 2016-05-04 | 德阳市恒达灯具制造有限公司 | Integrated form electrical power generating system |
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| Publication number | Publication date |
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| CN105449552B (en) | 2018-09-21 |
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