CN208937755U - Optical transmission device - Google Patents
Optical transmission device Download PDFInfo
- Publication number
- CN208937755U CN208937755U CN201821678335.9U CN201821678335U CN208937755U CN 208937755 U CN208937755 U CN 208937755U CN 201821678335 U CN201821678335 U CN 201821678335U CN 208937755 U CN208937755 U CN 208937755U
- Authority
- CN
- China
- Prior art keywords
- optical module
- optical
- transmission device
- cage
- optical transmission
- 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
Landscapes
- Optical Communication System (AREA)
Abstract
The optical transmission device of the application, comprising: at least one optical module cage unit is fixed on service circuit plate；The optical module cage unit includes: one or more first optical module cages set on upper layer and one or more second optical module cages set on lower layer；Wherein, each first optical module cage is for placing one or more first optical modules, and each second optical module cage is for placing one second optical module；First optical module is connected for business side optic communication, and the second optical module is connected for customer side optic communication；It mutually staggers and does not interfere between the leg of the first optical module cage and the second optical module cage；By stacking and do not interfere with each other the optical module cage of business side and sending side, spare space can be so provided in more equipment to configure more optical modules, to promote interface density, and is radiated convenient for the first optical module to the higher business side of power consumption.
Description
Technical field
This application involves optical transport network technical field more particularly to optical transmission devices.
Background technique
The optical transmission device of support CFP2 common at present, there is the blade card insert type and standard 1U case type of big cabinet.
The blade card insert type of big cabinet: whole set equipment is big, multiple functional, although different service communication function can be supported
Can, but the disadvantage is that this equipment is all height all more than 12U (540mm), the power supply power consumption of outfit is at 2000 watts or more.It is this
Equipment is adapted for use with whole heavy construction prediction scheme, needs entire engineering to cabinet space, has to compare with electric energy consumption and fill
The planning of foot, and in the demand of general single business, it will cause necessary increased costs.In addition it can not solve to transport very well
Seek the quick arrangement of quotient, the demand quickly to activate the service.
1U case type: 1U equipment volume is small, easy for installation.But power consumption is highest in CFP2 module all types to reach
18w.Thus simple superposition interface density can welcome the huge challenge of heat dissipation, so the 1U equipment in market or be interface density
It is lesser or be the CFP2 module of high power consumption (cannot use) conditional to CFP2 module type.
Therefore, market needs the equipment of the compatible universal class type CFP2 optical transport platform of high density high-speed.
Summary of the invention
In view of the foregoing deficiencies of prior art, the application is designed to provide optical transmission device, solves existing skill
The problem of art.
To realize that above-mentioned target and other related objectives, the application provide a kind of optical transmission device, comprising: at least one light
Module cage unit, is fixed on service circuit plate；The optical module cage unit include: set on upper layer one or more
One optical module cage and one or more second optical module cages set on lower layer；Wherein, each first optical module cage is used
In placing one or more first optical modules, each second optical module cage is for placing one second optical module；Described first
Optical module is connected for business side optic communication, and the second optical module is connected for customer side optic communication.
In the embodiment of the application, the leg of the first optical module cage and the second optical module cage passes through crimping
Technique is made and/or the service circuit plate thickness meets preset requirement, to enable the first optical module cage and the second optical mode
It mutually staggers and does not interfere between the leg of block cage.
In the embodiment of the application, the optical module cage unit has multiple, mutual positions to be arranged to: each
One optical module cage is located at same upper layer, and each second optical module cage is located at same lower layer.
In the embodiment of the application, each optical module cage unit include: 1 × N structure the first optical module cage,
And M the second optical module cages, M are the integral multiple of N；The network capacity of each first optical module is equal to M/N the second optical modules
Network capacity and.
In the embodiment of the application, the first optical module cage and the second optical module cage front end are equipped with for insertion
Multiple sockets of optical module, each socket expose the front end for being set to the optical transmission device.
In the embodiment of the application, have hollow out to expose each first optical mode at the top of the first optical module cage
Block；The optical transmission device further include: radiating module, for being set to the first optical module cage from each hollow part with each
The first optical module contact in son, to be radiated.
In the embodiment of the application, the radiating module includes: multiple heat-conducting substrates, for respectively with each first optical mode
The first optical module contact in block cage；Multiple heat conducting pipes are fixedly connected with the heat-conducting substrate；One or more radiators, it is fixed
Connect each heat conducting pipe.
In the embodiment of the application, the heat-conducting substrate supplies the position contacted with the first optical module to be equipped with heat conduction with phase change
Material.
In the embodiment of the application, the phase-change heat conductive material is attached to a metal foil and is installed in together described
Heat-conducting substrate supplies the position contacted with the first optical module.
In the embodiment of the application, it is located by connecting between each heat-conducting substrate by Spring screws.
In the embodiment of the application, the optical transmission device, comprising: one or more groups of fan moulds of energy hot plug
Block, the rear end setting of Yu Suoshu optical transmission device, radiates for the radiating module.
In the embodiment of the application, the optical transmission device, comprising: power management wiring board is set to the industry
It is engaged in below wiring board, and is electrically connected with the service circuit plate and power module.
In the embodiment of the application, the optical transmission device, comprising: one or more power supply moulds of energy hot plug
Block, the rear end setting of Yu Suoshu optical transmission device, for optical transmission device power supply.
In the embodiment of the application, the optical transmission device is 1U type equipment.
As described above, the optical transmission device of the application, comprising: at least one optical module cage unit is fixed at business
On wiring board；The optical module cage unit includes: set on one or more first optical module cages on upper layer and set on lower layer
One or more second optical module cages；Wherein, each first optical module cage is used to place one or more first optical modules,
Each second optical module cage is for placing one second optical module；First optical module connects for business side optic communication
It connects, the second optical module is connected for customer side optic communication；Between the leg of the first optical module cage and the second optical module cage
It mutually staggers and does not interfere；By stacking and not interfereing with each other the optical module cage of business side and sending side, can so provide
Spare space configures more optical modules in more equipment, to promote interface density, and convenient for the higher business of power consumption
First optical module of side radiates.
Detailed description of the invention
Fig. 1 is shown as the combining structure schematic diagram at the front end visual angle of optical transmission device in the embodiment of the present application.
Fig. 2 is shown as the decomposition texture schematic diagram of optical transmission device in the embodiment of the present application.
Fig. 3 is shown as the structural schematic diagram at the rear end visual angle of optical transmission device in Fig. 1.
Fig. 4 is shown as the structural schematic diagram of radiating module in the embodiment of the present application.
Fig. 5 is shown as the structural schematic diagram of radiating module and the first optical module mutual alignment relation in the embodiment of the present application.
Specific embodiment
Illustrate presently filed embodiment below by way of specific specific example, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the application easily.The application can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit herein.It should be noted that in the absence of conflict, the embodiment in the application
And the feature in embodiment can be combined with each other.
The application is the design about optical transmission device, and more particularly, to multi-service optical transport platform equipment, such light is passed
Defeated platform device can plug multiple optical modules and realize multiple business, optical module divide by its encapsulated type have GBIC, SFP,
SFP+, XFP, SFF, CFP etc..
As shown in Figure 1, showing the structural schematic diagram at 100 front end visual angle of optical transmission device described in embodiment.
In the present embodiment, the optical transmission device 100 is 1U equipment, and so-called 1U equipment, that is, width is 19 inches, height
For 1U (unit), 1U=1.75 inches=1.75*25.4mm=44.45mm.
In Fig. 1, the optical transmission device includes the first optical module cage 101 and the second optical module cage 102 stacked,
The two exposes socket in the front end of the optical transmission device 100 respectively, wherein and upper layer socket is used to plug the first optical module, under
Layer socket is for plugging the second optical module.First optical module is used for the communication of business side, and second optical module is for visitor
The communication of family side, in one embodiment, first optical module can be, for example, the CFP2 module of 200G, can allow 2
The QSFP28 module of 100G is as the second optical module, so that the communication of business side and customer side be enabled to be attained by the requirement of 200G.
Shown in referring to Figure 2 together, the decomposition texture schematic diagram of the optical transmission device is shown.
In the present embodiment, the optical transmission device includes: that upper cover 103, lower cover 104, front panel 105 and rear plug are matched
Part, to be assembled into cabinet；Wherein, the rear plug accessory may include one or more groups of blower modules 106 and/or power supply mould
Block 107 etc., i.e., as shown in Figure 3.
In the example shown, the one first optical module cage 101 set on upper layer and multiple second optical module cages set on lower layer
102 constitute one group of optical module cage unit.
Specifically, in the present embodiment, each optical module cage unit by one 1 × 2 the first optical module cage 101,
And 2 the second optical module cages 102 are constituted, that is to say, that each first optical module cage can be 101 to place 2 the first light
Module, each second optical module cage 102 can place 1 the second optical module；Certainly, the optical module cage list in the present embodiment
The composition of member is only a kind of mode, in other embodiments, the first optical module cage 101 and the second optical module cage 102
Quantitative proportion can according to actual needs and the size of used optical module, network capacity etc. are changed.
If meeting business side and customer side all is 200G communicating requirement, the first optical module can be network capacity
200G, then the second optical module can be network capacity 100G, that is to say, that corresponding two the second optical modes of each first optical module
Block, and in an optical module cage unit, corresponding 4 the second optical module cages 102 of each first optical module cage 101.
Further, in the present embodiment, it is arranged after 4 groups of optical module cage units, if sticking with above-mentioned network capacity
The first optical module and the second optical module, may be implemented 1U optical transmission equipment light transmission total traffic reach 1600G.
Certainly, the network capacity and quantity, the quantity of optical module cage of each optical module in above-described embodiment are only illustrated,
It can be changed completely in a practical situation, such as be analogized according to above-mentioned, if equipment includes the first light of 1 × N structure
Module cage 101 and M the second optical module cages 102, M and N are natural number, and M is the integral multiple of N, then each first optical module
Network capacity be equal to identical second optical module of M/N network capacity network capacity with；In other embodiments, each second
The network capacity of optical module can be mutually different, and the network capacity of each first optical module can also be mutually different, not with above-mentioned
Citing is limited.
Meanwhile although illustrating 4 groups of optical module cage units in the present embodiment, its group counts up to entirely can be according to demand
Changed, is not limited thereto.
It further include service circuit plate 108 in the optical transmission device 100, each optical module cage unit is fixed at industry
It is engaged on wiring board 108, the fixed form may be, for example, welding, grafting or grafting and welding cooperation etc..
The structure of the first optical module cage 101 and the second optical module cage 102 can be set between respective leg mutually
It is staggered and does not interfere.It optionally, can be by the way that the leg of the first optical module cage 101 and the second optical module cage 102 be passed through
The thickness that compression joint technique was made and/or made the service circuit plate 108 meets preset requirement, thus mutually wrong between realizing leg
It opens and does not interfere.
In this way, the upper and lower space of service circuit plate 108 can be used well, i.e., as shown in Fig. 2, it can be in 19 English
Optical module cage unit described in putting down 4 groups in the 1U equipment of very little width, the mutual position of each optical module cage unit
Be arranged to: each first optical module cage 101 is located at same upper layer, and each second optical module cage 102 is located at same lower layer；It can put
The combination of 8 groups of 1 first optical module and 2 the second optical modules is set, this is the highest interface density of 1U equipment, highdensity 1IU
Equipment, small in size, easy for installation, convenient for planning, and volume of business height is more laid out operator masterlyly.
Herein in the case where high interface density, existing radiator will be unable to meet radiating requirements, therefore, as shown in Fig. 2,
The radiating module 109 for improving structure can also be provided in the optical transmission device of the application, for carrying out to each first optical module
Thermally conductive and heat dissipation.
Specifically, as shown in Fig. 2, the top of the first optical module cage 101 has hollow out for exposing each first light
Module, and it is shown referring to Figure 4 together, radiating module 109 passes through each first light in the hollow out and the first optical module cage 101
The contact of module 110 is to thermally conductive and heat dissipation.
The radiating module 109 includes: multiple heat-conducting substrates 111, multiple heat conducting pipes 112 and one or more radiators 113.
The multiple heat-conducting substrate 111, for being contacted respectively with the first optical module 110 in each first optical module cage 101.
In the present embodiment, the first optical module cage 101 is 1 × 2 structure, and two the first optical modules 110 can be set, and every
Block heat-conducting substrate 111 corresponds to a first optical module cage 101, i.e., contacts in a first optical module cage 101 simultaneously
Two the first optical modules 110, it is thermally conductive to be subject to.
Each heat conducting pipe 112 is fixedly connected with a heat-conducting substrate 111, and is fixedly connected on radiator 113, the fixation
Connection type, which can be, to be welded and fixed, and it is preferable that the heat-conducting substrate 111, heat conducting pipe 112 and heat carrier 113 can be thermal conductivity
Metal material, such as copper, aluminium etc., can also be with ceramic material.
In the present embodiment, there are two the radiators 113, quantity is a kind of embodiment, in other embodiments
In, the radiator 113 can all may be used with only one or greater than two.Preferably, 113 surface of radiator can also be
Teeth structure is to increase heat dissipation area.The radiator 113 can be made of metal block (such as copper, aluminium) through teeth technique,
Material, density and the height of specific teeth metal block can be obtained via analysis software.
On the air duct for the blower module 106 that the radiator 113 can be located at postposition above-mentioned, in the present embodiment, institute
State the front that radiating module 109 is located at the blower module 106.
As shown in Figures 2 and 3, in the present embodiment, the optical transmission device 100 is front end air inlet, by radiating module
109 and through blower module 106 from the rear end of optical transmission device 100 be discharged, to radiate.
To guarantee coming into full contact with for each first optical module 110 and heat-conducting substrate 111, between the two preferably using being interference fitted
Mode.It can refer to shown in Fig. 5, Fig. 5 illustrates the first optical module 110 and radiating module for being packed into the first optical module cage 101
The section at position 116 is interference fitted between 109 heat-conducting substrate 111.
In addition preferred, the screw 115 of spring 114 is cased with by each 111 phase of heat-conducting substrate as shown in figure 4, can be used
It is mutually located by connecting, makes interference design can elasticity plug.
And be prevent heat-conducting substrate 111 excessive and caused by plug need 11 gravity of heat-conducting substrate that overcomes to also become larger, will
Each one-to-one correspondence of heat-conducting substrate 11 is divided into 4 groups in each 1 × 2 the first optical module cage 101, and every group of structure is consistent, side
Just it processes and manages.
The above-mentioned radiating module of the application can solve in the case where the high interface density of the present embodiment, to high power consumption
The heat dissipation problem of first optical module makes equipment reach maximum to the first optical module compatibility.
In the above-described embodiments, the first optical module cage due to each 1 × 2 can install 2 piece of first optical module, so only
It is corresponding with one piece of heat-conducting substrate, has a bad phenomenon when using the first optical module cage in this way: when in the first optical module
The first optical module is inserted in one of in a space in cage, and if another space keeps idle, because interference is matched
The relationship of conjunction, it may occur that heat-conducting substrate is tilted to free space side, and leads to the first optical module being inserted into and heat-conducting substrate
Between poor contact, thus greatly reduce radiating efficiency, solution, which can be, to be equipped with the suitable model of size again and insert
Enter in free space, to substitute the first optical module, to reach the both sides high balance of heat-conducting substrate.
But in practical applications, client Chang Yin experience is insufficient, and solid model value is not high, is easy to be lost, or forget
Note insertion.
For this purpose, the application is improved, the position contacted with the first optical module is supplied to lead equipped with phase transformation in the heat-conducting substrate
Hot material, because phase-change heat conductive material is because high temperature (45 degrees Celsius) undergo phase transition the paste to form high plasticity, to be filled with
Gap caused by heat-conducting substrate tilts；Preferably, phase-change heat conductive material can be attached on aluminium foil and constitutes phase transformation and leads
Hot aluminium foil is set between heat-conducting substrate and the first optical module, on the one hand protects the optical module directly straight with the heat-conducting substrate of metal
It connects and scratches risk caused by friction, also avoid the unfavorable condition of optical module attachment heat-conducting cream when plug.
Optionally, the phase-change heat conductive material can be to synthesize paraffin as substrate, and filling high-performance conductive particle is made.
After phase-change heat conductive material to be affixed on to corresponding heat dissipation position, which can occur phase when being higher than 45 degrees Celsius
Become, becomes the similar the same paste object (liquid) of heat-conducting cream, there is high plasticity, atomic small gap can be filled,
It is used herein as that radiating efficiency can be effectively improved, in the case where high efficiency and heat radiation, optical transmission device can integrate the first of universal class type
Optical module is illustrated with CFP2 module, and it is 18W that power is highest in all types, the radiating module of the improvement of the application can
Well to solve this problem.
As shown in Figures 2 and 3, the blower module 106 has multiple groups, and preferably hot-swappable, Yu Suoshu optical transport
The rear end of equipment 1 is arranged；And by the still postposition together by power module 107 in this present embodiment, in this way, having been stayed enough for front
Spatial distribution business interface is also convenient for changing, safeguards, upgrades.
Preferably, the power module 107 also supports hot plug, and can have two groups as shown in Figure 3, and two groups can be direct current
Power supply or AC power source, and then support two dc power supply backup, double cross galvanic electricity Source backups and DC power supply, and/or AC power source
Mutually backup.
As shown in Fig. 2, in the present embodiment, the optical transmission device further includes power management wiring board 117 and layout line
Road plate 118.
In order to further using space in equipment to reach aforementioned promotion interface density requirement, the power management route
Plate 117 is preferably set to 108 lower section of the service circuit plate and utilizes space below, with the service circuit plate 108 with
And power module 107 is electrically connected, to power to the service circuit plate 108.
In embodiments herein, in order to promote interface density, which is separately provided and passes through wire jumper
It is electrically connected the service circuit plate 108.
In conclusion the optical transmission device of the application, comprising: at least one optical module cage unit is fixed at business
On wiring board；The optical module cage unit includes: set on one or more first optical module cages on upper layer and set on lower layer
One or more second optical module cages；Wherein, each first optical module cage is used to place one or more first optical modules,
Each second optical module cage is for placing one second optical module；First optical module connects for business side optic communication
It connects, the second optical module is connected for customer side optic communication；Between the leg of the first optical module cage and the second optical module cage
It mutually staggers and does not interfere；By stacking and not interfereing with each other the optical module cage of business side and sending side, can so provide
Spare space configures more optical modules in more equipment, to promote interface density, and convenient for the higher business of power consumption
First optical module of side radiates.
The principles and effects of the application are only illustrated in above-described embodiment, not for limitation the application.It is any ripe
Know the personage of this technology all can without prejudice to spirit herein and under the scope of, carry out modifications and changes to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from spirit disclosed herein and institute under technical idea such as
At all equivalent modifications or change, should be covered by claims hereof.
Claims (15)
1. a kind of optical transmission device characterized by comprising
At least one optical module cage unit, is fixed on service circuit plate；The optical module cage unit includes: set on upper
One or more first optical module cages and one or more second optical module cages set on lower layer of layer；Wherein, each described
One optical module cage is for placing one or more first optical modules, and each second optical module cage is for placing one second light
Module；First optical module is connected for business side optic communication, and the second optical module is connected for customer side optic communication.
2. optical transmission device according to claim 1, which is characterized in that the first optical module cage and the second optical module
The leg of cage is made up of compression joint technique and/or the service circuit plate thickness meets preset requirement, to enable first light
It mutually staggers and does not interfere between the leg of module cage and the second optical module cage.
3. optical transmission device according to claim 1, which is characterized in that the optical module cage unit have it is multiple, mutually
Between position be arranged to: each first optical module cage is located at same upper layer, and each second optical module cage is located at same lower layer.
4. optical transmission device according to claim 1, which is characterized in that each optical module cage unit includes: 1 × N knot
The first optical module cage and M the second optical module cage of structure, M are the integral multiple of N；The network capacity of each first optical module
The network capacity of identical second optical module of equal to M/N network capacity and.
5. optical transmission device according to claim 1, which is characterized in that the first optical module cage and the second optical module
Cage front end is equipped with multiple sockets for being inserted into optical module, and each socket exposes the front end for being set to the optical transmission device.
6. optical transmission device according to claim 1, which is characterized in that have hollow out at the top of the first optical module cage
To expose each first optical module；
The optical transmission device further include:
Radiating module, for being connect from each hollow part and each the first optical module in the first optical module cage
Touching, to be radiated.
7. optical transmission device according to claim 6, which is characterized in that the radiating module includes:
Multiple heat-conducting substrates, for being contacted respectively with the first optical module in each first optical module cage；
Multiple heat conducting pipes are fixedly connected with the heat-conducting substrate；
One or more radiators are fixedly connected with each heat conducting pipe.
8. optical transmission device according to claim 7, which is characterized in that the heat-conducting substrate with the first optical module for contacting
Position be equipped with phase-change heat conductive material.
9. optical transmission device according to claim 8, which is characterized in that the phase-change heat conductive material is attached to a metal foil
Piece and be installed in the heat-conducting substrate together and supply the position that contacts with the first optical module.
10. optical transmission device according to claim 7, which is characterized in that pass through spring spiral shell between each heat-conducting substrate
Silk is located by connecting.
11. optical transmission device according to claim 1 characterized by comprising one or more groups of fan moulds of energy hot plug
Block, the rear end setting of Yu Suoshu optical transmission device.
12. optical transmission device according to claim 1 characterized by comprising power management wiring board is set to described
Below service circuit plate, and it is electrically connected with the service circuit plate and power module.
13. according to claim 1 or optical transmission device described in 12 characterized by comprising can hot plug one or more electricity
Source module, the rear end setting of Yu Suoshu optical transmission device, for optical transmission device power supply.
14. optical transmission device according to claim 1 characterized by comprising configure the line plate, with the service line
Road plate is electrically connected.
15. optical transmission device according to claim 1, which is characterized in that the optical transmission device is 1U type equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678335.9U CN208937755U (en) | 2018-10-16 | 2018-10-16 | Optical transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678335.9U CN208937755U (en) | 2018-10-16 | 2018-10-16 | Optical transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208937755U true CN208937755U (en) | 2019-06-04 |
Family
ID=66724826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821678335.9U Active CN208937755U (en) | 2018-10-16 | 2018-10-16 | Optical transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208937755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020554A1 (en) * | 2021-08-18 | 2023-02-23 | 锐捷网络股份有限公司 | Double-layer optical module apparatus and communication network device board |
-
2018
- 2018-10-16 CN CN201821678335.9U patent/CN208937755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020554A1 (en) * | 2021-08-18 | 2023-02-23 | 锐捷网络股份有限公司 | Double-layer optical module apparatus and communication network device board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208805597U (en) | Optical transmission device with radiator structure | |
| CN111919420B (en) | Interface module for combined delivery of power, data, and cooling at a network device | |
| CN111061018A (en) | Optical transmission apparatus | |
| US10156873B2 (en) | Information handling system having fluid manifold with embedded heat exchanger system | |
| CN101052268B (en) | Thermal management of electronic devices | |
| CN104881101B (en) | Electronic device | |
| US20100246118A1 (en) | Case and rack system for liquid submersion cooling of electronic devices connected in an array | |
| CN105900260A (en) | Battery, casing structure of battery, battery core protection method, mobile device and kit thereof | |
| CN106714525B (en) | Radiator and electronic equipment | |
| CN208937755U (en) | Optical transmission device | |
| CN107113998B (en) | Electron speed regulator and moveable platform | |
| CN104503556A (en) | Redundancy backup server heat dissipation system based on combination of air cooling and liquid cooling | |
| CN207201211U (en) | Homogeneous temperature type air-cooled radiator and photovoltaic DC-to-AC converter | |
| US20110143580A1 (en) | Socket terminal heat-dissipating mechanism | |
| CN104597973A (en) | Cloud server system | |
| CN106231780A (en) | Pcb board and there is its mobile terminal | |
| CN209402925U (en) | A kind of two-side radiation device of pcb board | |
| CN104218142B (en) | A kind of direct insertion LED lamp bead encapsulating structure | |
| CN108808601A (en) | A kind of heat dissipation bus duct | |
| WO2017067418A1 (en) | Heat dissipation structure and method for cooling veneer in extending way | |
| CN210183285U (en) | Junction box, photovoltaic module and curtain wall | |
| CN210093414U (en) | Industrial Ethernet switch | |
| CN209057443U (en) | A kind of radiator and electronic equipment | |
| CN206411591U (en) | Micro embedded industrial control computer | |
| CN210868191U (en) | Novel extensible PTC heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |