CN107272129A - A kind of fiber cable cross connection box with cooling device - Google Patents

A kind of fiber cable cross connection box with cooling device Download PDF

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Publication number
CN107272129A
CN107272129A CN201710643496.8A CN201710643496A CN107272129A CN 107272129 A CN107272129 A CN 107272129A CN 201710643496 A CN201710643496 A CN 201710643496A CN 107272129 A CN107272129 A CN 107272129A
Authority
CN
China
Prior art keywords
casing
dividing plate
fiber cable
connection box
cooling device
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.)
Pending
Application number
CN201710643496.8A
Other languages
Chinese (zh)
Inventor
张�浩
李彦
张勇
刘晗
张鹍
郑志杰
李菁竹
毕晓伟
孔德秋
刘晓明
朱毅
苏静华
臧宏志
李利生
王轶群
张宁
岳彩阳
张丞
付振霄
王振坤
吴峰
董丽丽
牛新生
贾善杰
崔荣喜
范春磊
郑大伟
苑超
周建波
武侠
金志强
李伟
刘小伟
毕晓涛
李兴昊
郭小燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201710643496.8A priority Critical patent/CN107272129A/en
Publication of CN107272129A publication Critical patent/CN107272129A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems or boxes with surplus lengths
    • G02B6/4441Boxes
    • G02B6/4446Cable boxes, e.g. splicing boxes with two or more multi fibre cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses a kind of fiber cable cross connection box with cooling device, including casing, the casing is provided with chamber door, the side of chamber door is connected by rotating shaft mechanism with casing, the cabinets cavity is provided with the first dividing plate, cabinets cavity has been separated into two parts up and down by first dividing plate, the top of the casing, anti-dust filter mesh and fan one are provided with positioned at casing left side wall, the top of the right side wall of the casing is provided with fan two and shutter, the upper left side of cabinets cavity is provided with battery, the upper right side of cabinets cavity is provided with controller, temperature controller is provided between battery and controller, in dividing plate and battery, ONU is provided between temperature controller and controller;The bottom of casing is provided with Guang Pei areas, and the upper top surface of casing is provided with solar panels.The present invention is solved causes the problem of ONU crashes because optical cable joining the temperature inside the box is higher, improves operating efficiency while having saved the energy.

Description

A kind of fiber cable cross connection box with cooling device
Technical field
The present invention relates to a kind of fiber cable cross connection box, more particularly to a kind of fiber cable cross connection box with cooling device.
Background technology
With continuing to develop for social informatization, optical fiber obtains more and more universal application, fiber cable cross connection box in communication Application it is more and more wider, general fiber cable cross connection box is both placed in outdoor application.And fiber cable cross connection box is without ventilation equipment, such as the external world Temperature makes to be placed in optical network unit in fiber cable cross connection box (ONU) because of the phenomenon that temperature is too high and crashes compared with Gao Shihui, particularly When summer temp is higher, when in sun direct projection to fiber cable cross connection box, the temperature in fiber cable cross connection box can be made to reach 60 DEG C, and ONU The heat itself operationally also distributed in amount of heat, casing can not be excluded, it is easy to cause ONU to crash, and influence is normal Work, reduces operating efficiency.
The content of the invention:
In order to solve the above-mentioned problems in the prior art, it is an object of the invention to provide a kind of with cooling device Fiber cable cross connection box.Small volume of the present invention, durability is strong, solves the problems, such as to cause ONU deadlocks because optical cable joining the temperature inside the box is higher, The energy is saved while improving operating efficiency.
The present invention solves the technical scheme that prior art problem is used:
A kind of fiber cable cross connection box with cooling device, including casing, the casing are provided with chamber door, the side of the chamber door It is connected by rotating shaft mechanism with the casing, the cabinets cavity is provided with the first dividing plate, first dividing plate divides cabinets cavity Two parts up and down are divided into, the upper part of the casing is provided with air inlet, in the air inlet positioned at the lower section of casing left side wall Place is provided with anti-dust filter mesh and fan one, and the top of the right side wall of the casing is provided with exhaust outlet, is provided with the exhaust outlet Fan two and shutter, the upper left side of cabinets cavity are provided with battery, and the upper right side of cabinets cavity is provided with controller, the electric power storage Between pond and controller be provided with temperature controller, battery, temperature controller, controller in same level, first dividing plate with ONU is provided between battery, temperature controller and controller;The bottom of the casing is provided with Guang Pei areas, and the upper top surface of the casing is set There are solar panels, solar panels are connected by wire with battery, battery is connected by wire with temperature controller, controller, institute State controller and pass through the motor of wire and fan one, the motor connection of fan two.
First dividing plate includes the horizontal baffle being located between ONU and Guang Pei areas and located at Guang Pei areas left side and air inlet Side dividing plate between right side, its right end face of the horizontal baffle and the right flank of cabinets cavity are tightly connected, horizontal baffle The trailing flank of back end surface and cabinets cavity is tightly connected, and the downside end face of the side dividing plate and the lower surface of cabinets cavity are sealed Connection, the back end surface of side dividing plate and the trailing flank of cabinets cavity are tightly connected, on the left of the horizontal baffle and in the dividing plate of side Upside is connected, and the horizontal baffle is with side dividing plate junction to smoothly transit, and junction can be alternatively obtuse angle shape for square.
In the casing, second partition, described second are additionally provided between the upper right side of fan one and the left side of side dividing plate The back end surface of dividing plate and the trailing flank of cabinets cavity are tightly connected.
Some 3rd dividing plates, the lower surface of the 3rd dividing plate and horizontal baffle are provided with the upper top surface of the horizontal baffle Upper top surface be tightly connected, the right flank of the 3rd dividing plate and the upper top surface of horizontal baffle have the angle less than 90 °.
The anti-dust filter mesh is located at the left side of the air inlet, and the fan one is located at air inlet, positioned at dust-proof mistake The right side of filter screen;The shutter is located at the right side of the exhaust outlet, and the fan two is at exhaust outlet, positioned at shutter Left side.
The periphery of the chamber door, which is provided with seal groove one, the seal groove one, is provided with rubber weather strip one, and the rubber is close Strip of paper used for sealing one and box sealing.
It is additionally provided with the chamber door in seal groove two, seal groove three, the seal groove two and is provided with rubber weather strip two, sealing Rubber weather strip three is provided with groove three, the anterior end surface of the rubber weather strip two and the first dividing plate is sealed, the rubber The anterior end surface of sealing strip three and second partition is sealed.
Bucker is respectively equipped with above the air inlet of the casing and above exhaust outlet.
Thermal insulation layer is respectively equipped with the outside of left side wall, right side wall and chamber door on the outside of the casing.
The casing and chamber door are made of metal material, and provided with corrosion-inhibiting coating.
Beneficial effects of the present invention:
1st, casing is divided into two parts by using the first dividing plate, utilizes the side dividing plate and the left surface of cabinets cavity in dividing plate Between gap formed air channel, air channel is divided into two parts using the second partition of setting, when OUN temperature is too high, control Device controls fan one and fan two to start, and fan one is shunted air-flow through second partition after cold wind is sucked, a part of gas Stream enter OUN lower section, a part of air-flow enter OUN top, when air-flow enter OUN lower section when, because setting the 3rd every Plate, makes air-flow directly will not directly be siphoned away by fan two, but after most air-flow can be contacted with OUN device bottoms, so Cold wind can take away most of heat that OUN sheds, hot blast now will be blown away by fan two by exhaust outlet, it is to avoid because OUN temperature is too high to cause the phenomenon of deadlock;Simultaneously the heat that OUN is produced is prevented using the sealing of the first dividing plate and chamber door sealing strip Amount is dispersed into Guang Pei areas.
2nd, by setting anti-dust filter mesh in air inlet, when fan is in work or off working state, prevent dust from leading to Cross air inlet and enter casing, can prevent dust from passing through exhaust outlet using the shutter set at exhaust outlet when fan does not work Into casing;The bucker set simultaneously in the top of air inlet and exhaust outlet, rainwater passes through air intake when can also avoid raining Mouth, exhaust outlet enter casing, the equipment damaged in casing.
3rd, the thermal insulation layer set by the outside of the left side wall, right side wall and chamber door of outside the enclosure side, can completely cut off the external world Temperature, has ensured that the temperature in casing will not cause the temperature in casing to occur big change because of the rise of ambient temperature, has protected The operating ambient temperature for having demonstrate,proved OUN will not be too high, improves operating efficiency.
4th, electric energy is converted light energy into storage battery power supply using solar panels, save the energy.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the front view (no chamber door) of the present invention.
1- casings in figure, 2- chamber doors, 21- seal grooves one, 22- rubber weather strips one, 23- seal grooves two, 24- rubber seals Bar two, 25- seal grooves three, 26- rubber weather strips three, the dividing plates of 3- first, 31- horizontal baffles, 32- sides dividing plate, 4- fans one, 5- Anti-dust filter mesh, 6- fans two, 7- shutters, 8- batteries, 9- temperature controllers, 10- controllers, 11-OUN, 12- Guang Pei areas, 13- Solar panels, 14- second partitions, the dividing plates of 15- the 3rd, 16- rotating shaft mechanisms, 17- thermal insulation layers, 18- buckers.
Embodiment
The embodiment of the present invention is described below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2:A kind of fiber cable cross connection box with cooling device, including casing 1, the casing 1 are provided with case Door 2, the side of the chamber door 2 is connected by rotating shaft mechanism 15 with the casing 1, and the inner chamber of casing 1 is provided with the first dividing plate 3, The inner chamber of casing 1 has been separated into two parts, the upper part of the casing 1, positioned at the left side wall of casing 1 up and down by first dividing plate 3 Lower section be provided with air inlet, the air inlet be provided with anti-dust filter mesh 5 and fan 1, the right side wall of the casing 1 it is upper Side is provided with exhaust outlet, and fan 26 and shutter 7 are provided with the exhaust outlet, and the upper left side of the inner chamber of casing 1 is provided with battery 8, The upper right side of the inner chamber of casing 1 is provided with controller 10, and temperature controller 9, battery 8, temperature are provided between the battery 8 and controller 10 Device 9, controller 10 are controlled in same level, is set between first dividing plate 3 and battery 8, temperature controller 9 and controller 10 There is ONU11;The bottom of the casing 1 is provided with Guang Pei areas 12, and the upper top surface of the casing 1 is provided with solar panels 13, solar panels 13 are connected by wire with battery 8, and battery 8 is connected by wire and temperature controller 9, controller 10, and the controller 10 leads to Cross motor, the motor connection of fan 26 of wire and fan 1;Have certain between the left surface of first dividing plate 11 and casing 1 Gap, one air channel of this gap formation, when temperature controller 9 monitors that ONU 11 temperature exceedes operating temperature, temperature controller 9 can be by Signal is transmitted to controller 10, and the motor of the control fan 1 of controller 10 and the motor of fan 26 work, and fan 1 will be through dust-proof The cold wind of screen pack 5 is sucked from air inlet, and cold wind is produced the heat in casing 1 and ONU11 after ONU 11 by air channel Heat takes exhaust outlet to, by fan 26 shutter 7 is blown open after heat is blown away.
First dividing plate 11 includes the horizontal baffle 31 being located between ONU11 and Guang Pei areas 12 and located at light with 12 left sides With the side dividing plate 32 between air inlet right side, its right end face of horizontal baffle 31 and the right flank of the inner chamber of casing 1 are tightly connected, The back end surface of horizontal baffle 31 and the trailing flank of the inner chamber of casing 1 are tightly connected, in the lower surface of the side dividing plate 32 and casing 1 The lower surface of chamber is tightly connected, and the trailing flank of the back end surface of side dividing plate 32 also with the inner chamber of casing 1 is tightly connected, the level every The left side of plate 31 is connected with the upside of side dividing plate 32, and the junction of the horizontal baffle 31 and side dividing plate 32 is to smoothly transit, junction Obtuse angle shape can be alternatively for square, to ensure the smoothness of air-flow.
In the casing 1, second partition 14, institute are additionally provided between the upper right side of fan 1 and the left side of side dividing plate 32 The back end surface and the trailing flank of the inner chamber of casing 1 for stating second partition 14 are tightly connected, and air channel is divided into two by second partition 14 Point, air-flow is shunted using second partition 14 after fan 1 sucks cold wind, a part of air-flow enters under OUN11 Side, a part of air-flow enters OUN11 top.
Some 3rd dividing plates 15, the lower surface of the 3rd dividing plate 15 and water are provided with the upper top surface of the horizontal baffle 31 The upper top surface of flat partition board 31 is tightly connected, and the right flank of the 3rd dividing plate 15 has less than 90 ° with the upper top surface of horizontal baffle 31 Angle, when air-flow enters below OUN11, in order to avoid fan 26 quickly blows away air-flow, influence radiating effect, it is logical Cross and utilize the 3rd dividing plate 15 once, cold wind is contacted with OUN11 bottom airflow-resistive, such cold wind can take away OUN11 and dissipate The most of heat gone out.
The anti-dust filter mesh 5 is located at the left side of the air inlet, and the fan 1 is located at air inlet, positioned at dust-proof The right side of screen pack 5;The shutter 7 is located at the right side of the exhaust outlet, and the fan 26 is at exhaust outlet, positioned at hundred The left side of leaf window 7, the anti-dust filter mesh 5 and shutter 7 are used to prevent dust from entering inside casing 1.
The periphery of the chamber door 2 is provided with seal groove 1, and rubber weather strip 1, institute are provided with the seal groove 1 Rubber weather strip 1 is stated to seal with casing 1.
Seal groove 2 23, seal groove 3 25 are additionally provided with the chamber door 2, rubber seal is provided with the seal groove 2 23 Rubber weather strip 3 26, the rubber weather strip 2 24 and the first dividing plate 3 in casing 1 are provided with bar 2 24, seal groove 3 25 Anterior end surface sealed, it is to avoid the heat that ONU 11 is produced is dispersed into Guang Pei areas 12, the rubber weather strip 3 26 and the The anterior end surface of two dividing plates 14 is sealed, it is to avoid cause air-flow to be disperseed because second partition 14 and chamber door 2 have gap.
Bucker 18 is respectively equipped with above the top of the air inlet and exhaust outlet, it is to avoid rain when rainwater by entering, Exhaust outlet enters casing 1, the equipment damaged in casing 1.
Thermal insulation layer 17 is respectively equipped with the outside of the left side wall, right side wall and chamber door 2 in the outside of casing 1, for completely cutting off Ambient temperature, has ensured that the temperature in casing 1 will not cause the temperature in casing 1 to occur big change because of the rise of ambient temperature Change, it is ensured that OUN11 operating ambient temperature will not be too high, improves operating efficiency.
The casing 1 and chamber door 2 are made of metal material, and provided with corrosion-inhibiting coating, prevent fiber cable cross connection box because of the external world Environment corrodes.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model The limitation enclosed, on the basis of technical scheme, those skilled in the art need not pay creative work and can do The various modifications or deformation gone out are still within protection scope of the present invention.

Claims (10)

1. a kind of fiber cable cross connection box with cooling device, it is characterized in that, including casing, the casing is provided with chamber door, the case The side of door is connected by rotating shaft mechanism with the casing, and the cabinets cavity is provided with the first dividing plate, and first dividing plate is by case Intracoelomic cavity has been separated into two parts up and down, and the top of the casing is provided with air inlet, described positioned at the lower section of casing left side wall Air inlet is provided with anti-dust filter mesh and fan one, and the top positioned at the right side wall of casing is provided with exhaust outlet, in the exhaust outlet Place is provided with fan two and shutter, and the upper left side of the cabinets cavity is provided with battery, and the upper right side of cabinets cavity is provided with control Device, is provided with temperature controller, battery, temperature controller, controller are in same level, described between the battery and controller ONU is provided between first dividing plate and battery, temperature controller and controller;The bottom of the casing is provided with Guang Pei areas, the casing Upper top surface be provided with solar panels, solar panels be connecteds by wire with battery, and battery passes through wire and temperature controller, controlled Device is connected, and the controller passes through the motor of wire and fan one, the motor connection of fan two.
2. a kind of fiber cable cross connection box with cooling device according to claim 1, it is characterized in that, the first described dividing plate bag The horizontal baffle between ONU and Guang Pei areas and the side dividing plate on the left of Guang Pei areas between air inlet right side are included, it is described Its right end face of horizontal baffle and the right flank of cabinets cavity are tightly connected, after the back end surface and cabinets cavity of horizontal baffle Side is tightly connected, and the downside end face of the side dividing plate and the lower surface of cabinets cavity are tightly connected, the back end surface of side dividing plate Be tightly connected, be connected on the left of the horizontal baffle with the upside of side dividing plate with the trailing flank of cabinets cavity, the horizontal baffle and Side dividing plate junction is smoothly transits, and junction can be alternatively obtuse angle shape for square.
3. a kind of fiber cable cross connection box with cooling device according to claim 2, it is characterized in that, in the casing, wind Second partition, the back end surface and cabinets cavity of the second partition are additionally provided between the upper right side of fan one and the left side of side dividing plate Trailing flank be tightly connected.
4. a kind of fiber cable cross connection box with cooling device according to claim 2, it is characterized in that, in the horizontal baffle Upper top surface is provided with some 3rd dividing plates, and the lower surface of the 3rd dividing plate and the upper top surface of horizontal baffle be tightly connected, and described the The right flank of three dividing plates and the upper top surface of horizontal baffle have the angle less than 90 °.
5. a kind of fiber cable cross connection box with cooling device according to claim 1, it is characterized in that, the anti-dust filter mesh is set In the left side of the air inlet, the fan one is located at air inlet, positioned at the right side of anti-dust filter mesh;The shutter is located at The right side of the exhaust outlet, the fan two is at exhaust outlet, positioned at the left side of shutter.
6. a kind of fiber cable cross connection box with cooling device according to claim 1, it is characterized in that, the periphery of the chamber door is set There is seal groove one, rubber weather strip one, the rubber weather strip one and box sealing are provided with the seal groove one.
7. a kind of fiber cable cross connection box with cooling device according to claim 1, it is characterized in that, it is additionally provided with the chamber door It is provided with seal groove two, seal groove three, the seal groove two in rubber weather strip two, seal groove three and is provided with rubber weather strip three, The anterior end surface of two pair of first dividing plate of rubber weather strip is sealed, front side of the rubber weather strip three to second partition End face is sealed.
8. a kind of fiber cable cross connection box with cooling device according to claim 1, it is characterized in that, the air inlet of the casing Bucker is respectively equipped with above top and exhaust outlet.
9. a kind of fiber cable cross connection box with cooling device according to claim 1, it is characterized in that, on the outside of the casing Thermal insulation layer is respectively equipped with the outside of right side wall and chamber door on the outside of left side wall, casing.
10. a kind of fiber cable cross connection box with cooling device according to claim 1, it is characterized in that, the casing and chamber door It is made of metal material, and provided with corrosion-inhibiting coating.
CN201710643496.8A 2017-07-31 2017-07-31 A kind of fiber cable cross connection box with cooling device Pending CN107272129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710643496.8A CN107272129A (en) 2017-07-31 2017-07-31 A kind of fiber cable cross connection box with cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710643496.8A CN107272129A (en) 2017-07-31 2017-07-31 A kind of fiber cable cross connection box with cooling device

Publications (1)

Publication Number Publication Date
CN107272129A true CN107272129A (en) 2017-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710643496.8A Pending CN107272129A (en) 2017-07-31 2017-07-31 A kind of fiber cable cross connection box with cooling device

Country Status (1)

Country Link
CN (1) CN107272129A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108761685A (en) * 2018-06-14 2018-11-06 马鞍山方融信息科技有限公司 A kind of communication engineering optical fiber commuting case
CN109856748A (en) * 2019-04-03 2019-06-07 杭州道盈信息科技有限公司 A kind of fiber cable cross connection box with dedusting heat sinking function
CN110824638A (en) * 2019-11-20 2020-02-21 杭州昱华科技有限公司 Novel sealed optical cable divides fine equipment
CN112732043A (en) * 2021-02-01 2021-04-30 范衍琴 Computer system integrated equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204068126U (en) * 2014-10-12 2014-12-31 富阳思博工业设计有限公司 Photoelectric integral cross-connecting box
CN206074861U (en) * 2016-08-02 2017-04-05 杭州东联光电设备有限公司 A kind of fiber cable cross connection box equipped with solar panel and battery
CN206975300U (en) * 2017-07-31 2018-02-06 国网山东省电力公司经济技术研究院 A kind of fiber cable cross connection box

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204068126U (en) * 2014-10-12 2014-12-31 富阳思博工业设计有限公司 Photoelectric integral cross-connecting box
CN206074861U (en) * 2016-08-02 2017-04-05 杭州东联光电设备有限公司 A kind of fiber cable cross connection box equipped with solar panel and battery
CN206975300U (en) * 2017-07-31 2018-02-06 国网山东省电力公司经济技术研究院 A kind of fiber cable cross connection box

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108761685A (en) * 2018-06-14 2018-11-06 马鞍山方融信息科技有限公司 A kind of communication engineering optical fiber commuting case
CN109856748A (en) * 2019-04-03 2019-06-07 杭州道盈信息科技有限公司 A kind of fiber cable cross connection box with dedusting heat sinking function
CN109856748B (en) * 2019-04-03 2020-07-28 杭州中凯通信设备有限公司 Optical cable distributing box with dust removal heat dissipation function
CN110824638A (en) * 2019-11-20 2020-02-21 杭州昱华科技有限公司 Novel sealed optical cable divides fine equipment
CN110824638B (en) * 2019-11-20 2023-10-17 杭州昱华科技有限公司 Novel sealed optical cable divides fine equipment
CN112732043A (en) * 2021-02-01 2021-04-30 范衍琴 Computer system integrated equipment

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Application publication date: 20171020