CN207051848U - A kind of auto temperature controlled system of VPX frameworks blade server - Google Patents
A kind of auto temperature controlled system of VPX frameworks blade server Download PDFInfo
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- CN207051848U CN207051848U CN201721091874.8U CN201721091874U CN207051848U CN 207051848 U CN207051848 U CN 207051848U CN 201721091874 U CN201721091874 U CN 201721091874U CN 207051848 U CN207051848 U CN 207051848U
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Abstract
The utility model discloses a kind of auto temperature controlled system of VPX frameworks blade server, including the pluggable fan disk being connected in communication backplane, multiple temperature sensors respectively；The fan disk includes a fan control board being connected with communication backplane and at least one fan being connected with fan control board；The heating module includes CPU, internal memory, south bridge, north bridge, and CPU corresponds to CPU temperature conditioning units, internal memory corresponds to internal memory temperature conditioning unit, south bridge corresponds to south bridge temperature conditioning unit, north bridge corresponds to north bridge temperature conditioning unit, CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel are mutually not completely independent in each temperature conditioning unit.The utility model passes through the optimization to auto temperature controlled system inside VPX frameworks blade server so that server internal emphasis heating module obtains emphasis monitoring and control, so as to which effective guarantee server long-time stable works.
Description
Technical field
It the utility model is related to blade server temperature control system field, more particularly to a kind of VPX frameworks blade server
Auto temperature controlled system.
Background technology
High density server deployment is the certainty of Constructing data center development, and the important component of data center be unable to do without
Server.Blade server is a kind of server computer of detachable, and its modularized design can subtract to greatest extent by optimization
Few use to physical space and the energy.
For blade server as the optimal configuration of data center, advantage is to reduce to greatest extent to physical space and energy
The use in source, and with green energy conservation, easily high computational intensity, the characteristic such as deployment, good management.However, blade server but one
Directly perplexed by high power consumption, non-easy heat radiation, thus can not be generalizable.
The radiating of multiple research institutions or research department to blade server is analyzed, studied, it is desirable to makes blade service
Puzzlement of the device in terms of radiating can have been alleviated.
Existing VPX frameworks blade server includes cabinet and the multiple cassette server units being inserted into cabinet；Card
Formula server unit includes mainboard and onboard hard disk, CPU, South Bridge chip（Abbreviation south bridge）, north bridge chips（Abbreviation north bridge）, it is interior
Deposit, the element such as power module；Wherein, heating is obvious when hard disk, CPU, south bridge, north bridge, internal memory, power module work and temperature pair
Its service behaviour has a great influence.
Utility model content
The purpose of this utility model is to provide a kind of auto temperature controlled system of VPX frameworks blade server, passes through temperature
Sensor carries out key monitorings to CPU, internal memory, south bridge, north bridge this few class heating module, while to CPU, internal memory, south bridge, north bridge
This few class heating module establishes special temperature conditioning unit and carries out emphasis temperature control, and so as to ensure VPX frameworks blade server, it is stable
Service behaviour.
The utility model is accomplished by the following way：A kind of auto temperature controlled system of VPX frameworks blade server, is arranged on
It is provided with the cabinet of air vent, by cabinet interior power module for power supply；Installation is more in its cabinet of the VPX frameworks blade server
Individual heating module；The auto temperature controlled system includes the pluggable fan disk being connected in communication backplane, multiple temperature respectively and passed
Sensor；The fan disk includes fan control board being connected with communication backplane and at least one is connected with fan control board
Fan；
The heating module includes CPU, internal memory, south bridge, north bridge；
The fan disk is arranged in VPX framework blade servers close to front panel one end；
The fan includes cpu fan, internal memory fan, south bridge fan, north bridge fan；
The temperature sensor includes cpu temperature sensor, internal memory temperature sensor, south bridge temperature sensor, north bridge temperature
Spend sensor；
CPU air channels are formed between the cpu fan and CPU, the position of cpu temperature sensor is corresponding with CPU centers,
And the cpu temperature sensor for connecing the cpu fan of communication backplane by fan control board and directly connecing communication backplane forms CPU temperature controls
Unit；
Internal memory air channel, position and the internal memory center of internal memory temperature sensor are formed between the internal memory fan and internal memory
It is corresponding, and the internal memory temperature sensor for connecing the internal memory fan of communication backplane by fan control board and directly connecing communication backplane is formed
Internal memory temperature conditioning unit；
South bridge air channel, position and the south bridge center of south bridge temperature sensor are formed between the south bridge fan and south bridge
It is corresponding, and the south bridge temperature sensor for connecing the south bridge fan of communication backplane by fan control board and directly connecing communication backplane is formed
South bridge temperature conditioning unit；
South bridge air channel, position and the north bridge center of north bridge temperature sensor are formed between the north bridge fan and north bridge
It is corresponding, and the north bridge temperature sensor for connecing the north bridge fan of communication backplane by fan control board and directly connecing communication backplane is formed
North bridge temperature conditioning unit；
The CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel are mutually not completely independent.
First, heating module not only CPU, internal memory, south bridge, the north bridge in VPX frameworks blade server, also battery mould
Block, hard disk etc..But CPU, internal memory, south bridge, north bridge are to need the heating module to its operating temperature key monitoring.This practicality
In new, first have to carry out temperature monitoring to CPU, internal memory, south bridge, this kind of emphasis heating module of north bridge, and it is related by adjusting
The working condition of fan carries out emphasis temperature control to this kind of emphasis heating module.So the utility model to CPU, internal memory, south bridge,
North bridge sets temperature conditioning unit respectively, realizes man-to-man temperature control management.Specifically refer to, CPU has specially CPU is monitored
CPU temperature conditioning units；Inside have and specially internally deposit the internal memory temperature conditioning unit being monitored；South bridge has specially hard disk is monitored
South bridge temperature conditioning unit；North bridge has the north bridge temperature conditioning unit being specially monitored to hard disk.
Secondly, the installation site for the temperature sensor that monitors heating module its operating temperature and monitored heating mould
The center of block is corresponding, so as to catch the higher limit of this heating module real time temperature well, and feeds back to communication backplane.Again
The real time temperature of this heating module and the relation of normal working temperature threshold value are analyzed by communication backplane, and is called according to analysis result
Corresponding regulation scheme.
Furthermore CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel are mutually not completely independent, when cpu fan, internal memory
When any one fan failure is without working in fan, south bridge fan, north bridge fan, other fans can run through raising work(
Rate and supplement work is carried out to its corresponding air channel, so as to ensureing the steady of whole VPX frameworks blade server to a certain extent
Fixed service behaviour.That is, backuped each other between each fan.
In order to preferably realize the utility model, further, it is provided with the fan disk for entering to each fan
The separately installed installation lattice of row are additionally provided with the wind deflector that emphasis guiding is carried out to the wind that each fan is formed；The wind deflector with
It is vertical that CPU mainboard is installed, and wind deflector is located at fan lattice side.
The wind deflector is arranged on fan disk towards the side of each heating module, and the air-flow that each fan is formed more has
The guiding in direction is to its corresponding heating module.Led positioned at being formed at the solid framework of fan lattice the bottom of the wind deflector
Aerofoil and fan lattice inner wall smooth transition.Of length no more than 3 times of the fan disc thickness that the wind deflector stretches out.
In order to preferably realize the utility model, further, the wind deflector projects into plane where mainboard
The profile line length of small lower big trapezium structure, i.e. wind deflector close to fan one end is more than profile of the wind deflector away from fan one end
Line length.
During being guided by wind deflector to wind direction in corresponding air channel, also neighbouring air channel is entered by wind deflector
Row fluid radiation.
In order to preferably realize the utility model, further, the CPU temperature conditioning units also include with CPU it is supporting, set
Put the wind scooper of anti-return baffle plate.
In order to preferably realize the utility model, further, the cpu fan, internal memory fan, south bridge fan, north bridge
Fan is hot swap type and controls keying or regulation wind speed by fan control board.
In order to preferably realize the utility model, further, the fan also includes carrying out temperature control to power module
Power supply fan；The power supply fan is arranged on cabinet side board, and the air outside cabinet is sent into cabinet inside and to power module
Blown.
In order to preferably realize the utility model, further, the auto temperature controlled system is also included for CPU configurations
The north and south bridge radiator of cpu heat, the aluminum configured for south bridge/north bridge；The cpu heat is using heat pipe with copper as base
Material simultaneously configures copper fin.
In order to preferably realize the utility model, further, fan control board and communication backplane are straight on the fan disk
Connected the communication of RS-485 serial port protocols.
The beneficial effects of the utility model are as follows：
（1）Weight is carried out to CPU, internal memory, south bridge, north bridge this few class heating module by temperature sensor in the utility model
Point monitoring, while special temperature conditioning unit is established to CPU, internal memory, south bridge, north bridge this few class heating module and carries out emphasis temperature control,
So as to ensure its stable service behaviour of VPX frameworks blade server；
（2）The utility model also by optimized heat radiation structure, improves heat dispersion.
Brief description of the drawings
Fig. 1 is CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel structure schematic diagram described in the utility model.
Fig. 2 is fan, fan disk connector, the connection relationship diagram of fan disk control panel on fan board.
Fig. 3 is the structural representation of wind deflector.
Wind path signal when Fig. 4 is the first cpu fan in embodiment 7, the second cpu fan, internal memory fan equal normal work
Figure.
Fig. 5 is wind path when first cpu fan, internal memory fan normal work and the second cpu fan failure do not turn in embodiment 7
Schematic diagram.
Wherein：1st, fan disk；2nd, fan；3rd, fan control board；4th, fan disk connector；5th, wind deflector.
Specific embodiment
Embodiment 1：
A kind of auto temperature controlled system of VPX frameworks blade server, installed in being provided with the cabinet of air vent, by cabinet
Interior power module for power supply；The multiple heating modules of installation in its cabinet of the VPX frameworks blade server；The auto temperature controlled system
Including the pluggable fan disk 1 being connected in communication backplane, multiple temperature sensors respectively；The fan disk 1 include one with
The fan control board 3 and at least one fan 2 being connected with fan control board 3 of communication backplane connection.
The heating module includes CPU, internal memory, south bridge, north bridge；
The fan disk 1 is arranged in VPX framework blade servers close to front panel one end；
The fan 2 includes cpu fan, internal memory fan, south bridge fan, north bridge fan；
The temperature sensor includes cpu temperature sensor, internal memory temperature sensor, south bridge temperature sensor, north bridge temperature
Spend sensor；
CPU air channels are formed between the cpu fan and CPU, the position of cpu temperature sensor is corresponding with CPU centers,
And the cpu temperature sensor for connecing the cpu fan of communication backplane by fan control board 3 and directly connecing communication backplane forms CPU temperature
Control unit；
Internal memory air channel, position and the internal memory center of internal memory temperature sensor are formed between the internal memory fan and internal memory
It is corresponding, and the internal memory fan of communication backplane is connect by fan control board 3 and directly connects the internal memory temperature sensor structure of communication backplane
Into internal memory temperature conditioning unit；
South bridge air channel, position and the south bridge center of south bridge temperature sensor are formed between the south bridge fan and south bridge
It is corresponding, and the south bridge fan of communication backplane is connect by fan control board 3 and directly connects the south bridge temperature sensor structure of communication backplane
Into south bridge temperature conditioning unit；
South bridge air channel, position and the north bridge center of north bridge temperature sensor are formed between the north bridge fan and north bridge
It is corresponding, and the north bridge fan of communication backplane is connect by fan control board 3 and directly connects the north bridge temperature sensor structure of communication backplane
Into north bridge temperature conditioning unit；
The CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel are mutually not completely independent.
The CPU temperature conditioning units carry out key monitoring for CPU；The internal memory temperature conditioning unit carries out emphasis prison for internal memory
Control；The south bridge temperature conditioning unit carries out key monitoring for south bridge；The north bridge temperature conditioning unit carries out emphasis for north bridge
Monitoring.Pass through key monitoring, the efficient steady operation for ensureing server.
As shown in figure 1, the CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel are mutually not completely independent, work as CPU
When any one failure of fan 2 is without working in fan, internal memory fan, south bridge fan, north bridge fan, other fans 2 can be with fast
Speed carries out supplement work by improving power to its corresponding air channel, so as to ensure whole VPX frameworks knife to a certain extent
The service behaviour of the stabilization of piece server.That is, between cpu fan, internal memory fan, south bridge fan, north bridge fan each other
Backup.
Pass through FLOTHERM system simulation full blasts road（CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel have）, portion
Divide air channel（CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel have but not all had）, without air channel in the case of, taken
Business device heating module temperature corresponding to each structure of synchronization under identical working condition：The obvious overall work of full air channel structure
Temperature is all low, and the longer full blast road structural advantage of server continuous working period is more obvious.
As shown in Fig. 2 the fan disk 1 includes a fan control being connected by fan disk connector 4 with communication backplane
Making sheet 3 and at least one fan 2 being connected with fan control board 3.
Embodiment 2：
The present embodiment further optimizes on the basis of embodiment 1, is used for as shown in figure 3, being provided with the fan disk 1
Separately installed installation lattice are carried out to each fan 2 and are additionally provided with the wind-guiding that emphasis guiding is carried out to the wind that each fan 2 is formed
Plate 5；The wind deflector 5 is vertical with the mainboard for installing CPU, and wind deflector 5 is located at the lattice side of fan 2.
The wind deflector 5 is arranged on fan disk 1 towards the side of each heating module, the air-flow that each fan 2 is formed
It is more directive to guide to its corresponding heating module.The bottom of the wind deflector 5 is located at the solid framework for forming the lattice of fan 2
Place, i.e. wind deflector 5 and the lattice inner wall smooth transition of fan 2.Of length no more than 3 times of the fan disk 1 that the wind deflector 5 stretches out is thick
Degree.
In order to preferably realize the utility model, further, the wind deflector 5 projects into plane where mainboard
The profile line length of small lower big trapezium structure, i.e. wind deflector 5 close to the one end of fan 2 is more than wind deflector 5 away from the one end of fan 2
Profile line length.
During being guided by wind deflector 5 to wind direction in corresponding air channel, also by wind deflector 5 to neighbouring air channel
Carry out fluid radiation.
The other parts of the present embodiment are same as Example 1, therefore repeat no more.
Embodiment 3：
The present embodiment further optimizes on the basis of embodiment 1 or 2, and the CPU temperature conditioning units also include supporting with CPU
, set anti-return baffle plate wind scooper.The wind scooper is arranged on its corresponding CPU both sides along wind direction, so that wind path
That more concentrates is directed to corresponding CPU.Wind scooper sets the anti-return baffle plate of anti-backflow simultaneously so that wind path is clear, stream
Freely to reduce the interference that different wind directions form sinuous flows.
The other parts of the present embodiment are identical with embodiment 1 or 2, therefore repeat no more.
Embodiment 4：
The present embodiment further optimizes on the basis of embodiment any one of 1-3, and the auto temperature controlled system is also including being
The cpu heat of CPU configurations, the north and south bridge radiator for south bridge/north bridge configuration.Its base material of the cpu heat uses heat pipe
With copper, its fin is copper.The north and south bridge radiator is aluminum.
It is prior art to set cpu heat for CPU, and the base material of heat pipe+copper and copper fin are only selected in the present embodiment
The radiator of structure, CPU is improved from radiating effect.Meanwhile in the present embodiment for south bridge, north bridge install respectively corresponding to aluminum dissipate
Hot device, south bridge, north bridge are improved from radiating effect.So as to mitigate the live load of fan 2.
The other parts of the present embodiment are identical with any one of embodiment 1-3, therefore repeat no more.
Embodiment 5：
The present embodiment further optimizes on the basis of embodiment any one of 1-4, the cpu fan, internal memory fan, south bridge
Fan, north bridge fan are hot swap type and control keying or regulation wind speed by fan control board 3.The windward of fan disk 1
Fan control panel 3 is directly communicated with communication backplane by RS-485 serial port protocols.
The other parts of the present embodiment are identical with any one of embodiment 1-4, therefore repeat no more.
Embodiment 6：
The present embodiment further optimizes on the basis of embodiment any one of 1-5, and the fan 2 also includes to power module
Carry out the power supply fan 2 of temperature control；The power supply fan 2 is arranged on cabinet side board, and the air outside cabinet is sent into cabinet inside
And power module is blown.
The other parts of the present embodiment are identical with any one of embodiment 1-5, therefore repeat no more.
Embodiment 7：
A kind of auto temperature controlled system of VPX frameworks blade server, installed in being provided with the cabinet of air vent, by cabinet
Interior power module for power supply；The multiple heating modules of installation in its cabinet of the VPX frameworks blade server；The auto temperature controlled system
Including the pluggable fan disk 1 being connected in communication backplane, multiple temperature sensors respectively；The fan disk 1 include one with
The fan control board 3 and at least one fan 2 being connected with fan control board 3 of communication backplane connection；It is characterized in that：
The heating module includes the first CPU, the 2nd CPU, internal memory；First CPU and the 2nd CPU front-back staggereds are set
Put；
The fan disk 1 is arranged in VPX framework blade servers close to front panel one end；
The fan 2 includes the first cpu fan, the second cpu fan, internal memory fan；
The temperature sensor includes the first cpu temperature sensor, the second cpu temperature sensor, internal memory temperature sensor；
Between first cpu fan and the first CPU formed the first CPU air channels, the position of the first cpu temperature sensor with
First CPU centers are corresponding, and connect the first cpu fan of communication backplane by fan control board 3 and directly connect communication backplane
The first cpu temperature sensor form the first CPU temperature conditioning units；
Between second cpu fan and the 2nd CPU formed the 2nd CPU air channels, the position of the second cpu temperature sensor with
2nd CPU centers are corresponding, and connect the second cpu fan of communication backplane by fan control board 3 and directly connect communication backplane
The second cpu temperature sensor form the 2nd CPU temperature conditioning units；
Internal memory air channel, position and the internal memory center of internal memory temperature sensor are formed between the internal memory fan and internal memory
It is corresponding, and the internal memory fan of communication backplane is connect by fan control board 3 and directly connects the internal memory temperature sensor structure of communication backplane
Into internal memory temperature conditioning unit；
The first CPU air channels, the 2nd CPU air channels, internal memory air channel are mutually not completely independent.
The first CPU temperature conditioning units carry out key monitoring for the first CPU；The 2nd CPU temperature conditioning units are for the
Two CPU carry out key monitoring；The internal memory temperature conditioning unit carries out key monitoring for internal memory.By key monitoring, efficient
Ensure the steady operation of server.
Internal memory can share same internal memory temperature control list with more than one if the compact grafting of multiple memory bars in the present embodiment
Member；Independent multiple internal memory temperature conditioning units are considered as if multiple memory bars disperse grafting.At present, main flow VPX frameworks
Two root memory bars are configured in blade server, share an internal memory temperature conditioning unit.
The first CPU air channels, the 2nd CPU air channels, internal memory air channel are mutually not completely independent.As shown in figure 4, normal work
When, the first cpu fan, the second cpu fan, the equal normal work of internal memory fan and the temperature adjustment for being responsible for respective heating module.Such as
Shown in Fig. 5, the second cpu fan failure now needs to control the first cpu fan and/or interior by fan control board 3 without rotating
Deposit fan and improve power, the 2nd CPU air channels are covered by wind-force radiation mode and temperature adjustment is carried out to the 2nd CPU.Now,
One cpu fan and/or internal memory fan turn into the standby of the second cpu fan.
The first CPU air channels, the 2nd CPU air channels, internal memory air channel are mutually not completely independent, and this structure can be a certain
In the case of the failure of fan 2, other practical existing fans 2 carry out emergent auxiliary, without configuring extra spare fans 2,
Space is saved, effectively reduces the overall volume of server.
Embodiment 8：
The present embodiment further optimizes on the basis of embodiment 7, and the first CPU configures the first wind scooper, and described the
Two CPU configure the second wind scooper.
The other parts of the present embodiment are same as Example 7, therefore repeat no more.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (8)
- A kind of 1. auto temperature controlled system of VPX frameworks blade server, installed in being provided with the cabinet of air vent, by cabinet Power module is powered；The multiple heating modules of installation in its cabinet of the VPX frameworks blade server；The auto temperature controlled system bag Include the pluggable fan disk being connected in communication backplane, multiple temperature sensors respectively；The fan disk includes one with communicating The fan control board and at least one fan being connected with fan control board of backboard connection；It is characterized in that：The heating module includes CPU, internal memory, south bridge, north bridge；The fan disk is arranged in VPX framework blade servers close to front panel one end；The fan includes cpu fan, internal memory fan, south bridge fan, north bridge fan；The temperature sensor includes cpu temperature sensor, internal memory temperature sensor, south bridge temperature sensor, north bridge temperature and passed Sensor；CPU air channels are formed between the cpu fan and CPU, the position of cpu temperature sensor is corresponding with CPU centers, and logical Passing through fan control panel connects the cpu fan of communication backplane and directly connects the cpu temperature sensor composition CPU temperature control lists of communication backplane Member；Internal memory air channel, position and the internal memory center pair of internal memory temperature sensor are formed between the internal memory fan and internal memory Should, and the internal memory fan of communication backplane is connect by fan control board and directly connect in the internal memory temperature sensor composition of communication backplane Deposit temperature conditioning unit；South bridge air channel, position and the south bridge center pair of south bridge temperature sensor are formed between the south bridge fan and south bridge Should, and the south bridge temperature sensor for connecing the south bridge fan of communication backplane by fan control board and directly connecing communication backplane forms south Bridge temperature conditioning unit；South bridge air channel, position and the north bridge center pair of north bridge temperature sensor are formed between the north bridge fan and north bridge Should, and the north bridge temperature sensor for connecing the north bridge fan of communication backplane by fan control board and directly connecing communication backplane forms north Bridge temperature conditioning unit；The CPU air channels, internal memory air channel, south bridge air channel, north bridge air channel are mutually not completely independent.
- A kind of 2. auto temperature controlled system of VPX frameworks blade server according to claim 1, it is characterised in that：It is described It is provided with fan disk and is additionally provided with to enter the wind of each fan formation for carrying out each fan separately installed installation lattice The wind deflector that row emphasis is oriented to；The wind deflector is vertical with the mainboard for installing CPU, and wind deflector is located at fan lattice side.
- A kind of 3. auto temperature controlled system of VPX frameworks blade server according to claim 2, it is characterised in that：It is described Wind deflector plane where mainboard projects into up-small and down-big trapezium structure, i.e. profile line length of the wind deflector close to fan one end Degree is more than profile line length of the wind deflector away from fan one end.
- A kind of 4. auto temperature controlled system of VPX frameworks blade server according to claim 1, it is characterised in that：It is described CPU temperature conditioning units also include with CPU it is supporting, set anti-return baffle plate wind scooper.
- A kind of 5. auto temperature controlled system of VPX frameworks blade server according to claim 1, it is characterised in that：It is described Cpu fan, internal memory fan, south bridge fan, north bridge fan are hot swap type and control keying or regulation by fan control board Wind speed.
- 6. a kind of auto temperature controlled system of VPX frameworks blade server according to claim any one of 1-5, its feature exist In：The fan also includes the power supply fan that temperature control is carried out to power module；The power supply fan is arranged on cabinet side board, by machine Air outside case is sent into cabinet inside and power module is blown.
- 7. a kind of auto temperature controlled system of VPX frameworks blade server according to claim any one of 1-5, its feature exist In：The north and south bridge for the aluminum that it be the cpu heat of CPU configurations that the auto temperature controlled system, which also includes, is south bridge/north bridge configures dissipates Hot device；The cpu heat as base material and configures copper fin using heat pipe with copper.
- 8. a kind of auto temperature controlled system of VPX frameworks blade server according to claim any one of 1-5, its feature exist In：Fan control board is directly communicated with communication backplane by RS-485 serial port protocols on the fan disk.
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| CN201721091874.8U CN207051848U (en) | 2017-08-29 | 2017-08-29 | A kind of auto temperature controlled system of VPX frameworks blade server |
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| CN201721091874.8U CN207051848U (en) | 2017-08-29 | 2017-08-29 | A kind of auto temperature controlled system of VPX frameworks blade server |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109684163A (en) * | 2018-11-14 | 2019-04-26 | 合肥市航嘉电子技术有限公司 | A kind of computer hardware thermal overload from alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109684163A (en) * | 2018-11-14 | 2019-04-26 | 合肥市航嘉电子技术有限公司 | A kind of computer hardware thermal overload from alarm system |
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Granted publication date: 20180227 Termination date: 20200829 |