CN107155287A - The air quantity adjusting method in air channel in a kind of server and server - Google Patents
The air quantity adjusting method in air channel in a kind of server and server Download PDFInfo
- Publication number
- CN107155287A CN107155287A CN201710606787.XA CN201710606787A CN107155287A CN 107155287 A CN107155287 A CN 107155287A CN 201710606787 A CN201710606787 A CN 201710606787A CN 107155287 A CN107155287 A CN 107155287A
- Authority
- CN
- China
- Prior art keywords
- fan
- air quantity
- air
- adjusting apparatus
- volume adjusting
- 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
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/2019—Fan safe systems, e.g. mechanical devices for non stop cooling
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention provides a kind of air quantity adjusting method in air channel in server and server.Server includes：Fan；Multiple air channels, positioned at one side of fan；Multiple air quantity demand detection units, correspond and are arranged in multiple air channels, to detect the air quantity demand in each air channel；Volume adjusting apparatus, between fan and multiple air channels, fan is used to the air quantity that predetermined value is blown into volume adjusting apparatus, and volume adjusting apparatus is used to the air quantity entered according to the air quantity demand regulation in each air channel in each air channel；And control unit, electrically connect, be distributed with Air Volume Optimization, it is ensured that server stable operation with fan, multiple air quantity demand detection units and volume adjusting apparatus, avoid simultaneously by the way of lifting rotation speed of the fan, prevent the problem of fan produces power wastage and high-decibel noise etc..
Description
Technical field
The application is related to communication equipment field, the air quantity regulation side in air channel in espespecially a kind of server and a kind of server
Method.
Background technology
The fault rate part occurred frequently of server includes fan, hard disk and internal memory.3 years fault rates of wherein fan are even more high
Up to 15%, so the reliability of fan, can directly affect the stability of server.It is higher for server core application requirement
Running environment under, usual user select server when, can all select fan N+N full redundancy patterns, it is front and rear corresponding
Two ventilating fans, even wherein a ventilating fan breaks down, a row still ensures that system is normally run in addition.Two ventilating fans are normal,
The single air channel is cooled by the way of the rotating speed of all fans is lifted during the air quantity demand increase in single air channel, this
The noise that the mode of kind is produced is big and power dissipation is serious.When one of fan is abnormal (i.e.：Break down) after, in order to avoid system
Delay machine, then will be by outband management system, allowing CPU, low speed is run all the time, it is to avoid the heat that CPU high-speed cruisings are brought can not
Discharge；Either, when one of fan is abnormal (i.e.：Break down) after, to ensure that server can do as usual stable operation, then will
Allow other all normal fan runnings most at a high speed, so can bring about the noise of great power wastage and high-decibel.
More finish changing after fan, server can return to normal condition.
The content of the invention
In order to solve the above-mentioned technical problem, this application provides a kind of server, it can avoid producing power consumption wave during fan row
Take and the problem of high-decibel noise etc..
In order to reach the application purpose, this application provides a kind of server, including：Fan；Multiple air channels, positioned at described
One side of fan；Multiple air quantity demand detection units, correspond and are arranged in multiple air channels, to detect described in each
Air quantity demand in air channel；Volume adjusting apparatus, between the fan and multiple air channels, the fan is used to institute
The air quantity that predetermined value is blown into volume adjusting apparatus is stated, the volume adjusting apparatus is used to according to the air quantity in each described air channel
The air quantity that demand regulation is entered in each described air channel；And control unit, detected with the fan, multiple air quantity demands
Unit and volume adjusting apparatus electrical connection.
Alternatively, the fan includes multiple, and multiple fans correspond with multiple air channels and set.
Alternatively, the server also includes：Fan adjustment unit, is electrically connected with described control unit, to exist
The rotating speed of normal fan is lifted during the fan of exception, the air quantity for making to be blown into the volume adjusting apparatus is preset value.
Alternatively, the rotating speed of normal fan is lifted when there is abnormal fan, making to be blown into the volume adjusting apparatus
Air quantity be the step of be preset value：
When there is abnormal fan, the rotating speed of the whole normal fans of fan adjustment unit lifting makes to be blown into institute
The air quantity for stating volume adjusting apparatus is preset value；Or
When there is abnormal fan, the fan adjustment unit lifts the fan of the neighbouring positive production of the abnormal fan
Rotating speed, the air quantity for making to be blown into the volume adjusting apparatus is preset value.
Alternatively, the volume adjusting apparatus is the pendulum leaf and motor fitted together.
Alternatively, the pendulum leaf and the motor include multigroup correspondingly with multiple air channels.
Alternatively, multiple air quantity demand detection units are temperature sensor.
Present invention also offers a kind of air quantity adjusting method in air channel in server, fan is blown into volume adjusting apparatus
The air quantity of predetermined value, air quantity demand detection unit detects the air quantity demand in each air channel, and volume adjusting apparatus is according to each institute
State the air quantity that the regulation of the air quantity demand in air channel is entered in each air channel.
Alternatively, when there is abnormal fan, fan adjustment unit lifts the rotating speed of normal fan, makes to be blown into described
The air quantity of volume adjusting apparatus is preset value.
Alternatively, the rotating speed of normal fan is lifted when there is abnormal fan, making to be blown into the volume adjusting apparatus
Air quantity be the step of be preset value：
When there is abnormal fan, the rotating speed of the whole normal fans of fan adjustment unit lifting makes to be blown into institute
The air quantity for stating volume adjusting apparatus is preset value；Or
When there is abnormal fan, the fan adjustment unit lifts the fan of the neighbouring positive production of the abnormal fan
Rotating speed, the air quantity for making to be blown into the volume adjusting apparatus is preset value.
Compared with prior art, the server that the present invention is provided, the fan is blown into predetermined value into volume adjusting apparatus
Air quantity, volume adjusting apparatus is according to the air quantity that enters in each air channel of air quantity demand regulation in each air channel, to optimize
Air volume adjustment, it is ensured that server stable operation, while avoiding by the way of lifting rotation speed of the fan, prevents fan from producing power consumption wave
Take and the problem of high-decibel noise etc..
Other features and advantage will be illustrated in the following description, also, partly be become from specification
Obtain it is clear that or being understood by implementing the application.The purpose of the application and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical scheme, and constitutes a part for specification, with this
The embodiment of application is used for the technical scheme for explaining the application together, does not constitute the limitation to technical scheme.
Fig. 1 is the structural representation of the use state of server one described in one embodiment of the invention；
Fig. 2 is the structural representation of another use state of server described in one embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 and Fig. 2 between reference and component names is：
1 fan, 2 air channels, 3 volume adjusting apparatus.
Embodiment
For the purpose, technical scheme and advantage of the application are more clearly understood, below in conjunction with accompanying drawing to the application
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Many details are elaborated in the following description in order to fully understand the application, and still, the application may be used also
Implemented with being different from mode described here using other, therefore, the protection domain of the application is not by following public tool
The limitation of body embodiment.
The air quantity adjusting method in air channel in the server and server of the application some embodiments is described below in conjunction with the accompanying drawings.
The server that the application is provided, as depicted in figs. 1 and 2, including：Fan 1；Multiple air channels 2, positioned at the fan 1
One side；Multiple air quantity demand detection units, correspond and are arranged in multiple air channels 2, to detect each wind
Air quantity demand in road 2；Volume adjusting apparatus 3, between the fan 1 and multiple air channels 2, the fan 1 is used to
The air quantity of predetermined value is blown into the volume adjusting apparatus 3, the volume adjusting apparatus 3 is used to according to each air channel 2
The air quantity that interior air quantity demand regulation is entered in each described air channel 2；And control unit, with the fan 1, multiple wind
Amount demand detection unit and the volume adjusting apparatus 3 are electrically connected.
The server that the present invention is provided, the fan 1 is blown into the air quantity of predetermined value into volume adjusting apparatus 3, and air quantity is adjusted
The air quantity that regulating device 3 is entered in each air channel 2 according to the air quantity demand regulation in each air channel 2, is distributed, really with Air Volume Optimization
Server stable operation is protected, while avoiding by the way of the lifting rotating speed of fan 1, prevents fan 1 from producing power wastage and high score
The problem of shellfish noise etc..
Wherein, the fan 1 includes multiple, and multiple fans 1 correspond with multiple air channels 2 and set,
Preferably to be cooled to each air channel 2, while being also beneficial to volume adjusting apparatus 3 distributes air quantity.
Furthermore, the server also includes：Fan adjustment unit, is electrically connected with described control unit, to exist it is different
The rotating speed of normal fan 1 is lifted during normal fan 1, the air quantity for making to be blown into the volume adjusting apparatus 3 is preset value, it is ensured that wind
Fan consistent before air quantity and failure that volume adjusting apparatus 3 is entered after 1 failure.
Wherein, when there is abnormal fan 1, the intake in air channel 2 mainly corresponding to abnormal fan 1 is not enough,
There is a situation where that cooling is not in place.
Specifically, the rotating speed of normal fan 1 is lifted when there is abnormal fan 1, making to be blown into the air quantity regulation dress
The step of air quantity for putting 3 is preset value be：
When there is abnormal fan 1, the rotating speed of the whole normal fans 1 of fan adjustment unit lifting makes to be blown into
The air quantity of the volume adjusting apparatus 3 is preset value, and such fan 1 will not produce asking for power wastage and high-decibel noise etc.
Topic；Or
When there is abnormal fan 1, the fan adjustment unit lifts the fan of the neighbouring positive production of the abnormal fan 1
1 rotating speed, the air quantity for making to be blown into the volume adjusting apparatus 3 is preset value, and such air quantity is more conducive to volume adjusting apparatus 3 to different
It is allocated in air channel 2 corresponding to normal fan 1.
Wherein, the quantity of abnormal fan is less than the quantity of total fan.
In one embodiment of the present of invention, the volume adjusting apparatus 3 is the pendulum leaf and motor that fit together, and described
Leaf and the motor are put including one-to-one multigroup with multiple air channels 2；Multiple air quantity demand detection units are temperature
Spend sensor.
Wherein, multiple can be two, three, four, five etc., will not be repeated here.
Arrow in Fig. 1 and Fig. 2 represents that the air quantity demand in two air channels in wind direction and air quantity, Fig. 1 is identical, lower section in Fig. 2
The air quantity demand in air channel is more than the air quantity demand in the air channel of top.
The air quantity adjusting method (not shown) in air channel in the server that the present invention is provided, fan is to volume adjusting apparatus
Inside be blown into the air quantity of predetermined value, air quantity demand detection unit detects the air quantity demand in each air channel, volume adjusting apparatus according to
The air quantity that air quantity demand regulation in each described air channel is entered in each air channel, is distributed, it is ensured that server with Air Volume Optimization
Stable operation, while avoiding by the way of lifting rotation speed of the fan, prevents fan from producing power wastage and high-decibel noise etc.
Problem.
Wherein, when there is abnormal fan, fan adjustment unit lifts the rotating speed of normal fan, makes to be blown into the wind
The air quantity of quantity regulating device is preset value, it is ensured that entered after fan failure before the air quantity and failure of volume adjusting apparatus unanimously,
Volume adjusting apparatus is allocated to the air quantity of its inside, may be such that the air quantity in each air channel is satisfied by its air quantity demand,
Can preferably it cool down.
Alternatively, the rotating speed of normal fan is lifted when there is abnormal fan, making to be blown into the volume adjusting apparatus
Air quantity be the step of be preset value：
When there is abnormal fan, the rotating speed of the whole normal fans of fan adjustment unit lifting is (without to most
High rotating speed), the air quantity for making to be blown into the volume adjusting apparatus is preset value, and such fan will not produce power wastage and high-decibel
The problem of noise etc.；Or
When there is abnormal fan, the fan adjustment unit lifts the fan of the neighbouring positive production of the abnormal fan
Rotating speed, the air quantity for making to be blown into the volume adjusting apparatus is preset value, and such air quantity is more conducive to volume adjusting apparatus to exception
It is allocated in air channel corresponding to fan.
In summary, the server that the present invention is provided, the fan is blown into the air quantity of predetermined value into volume adjusting apparatus,
The air quantity that volume adjusting apparatus is entered in each air channel according to the air quantity demand regulation in each air channel, with Air Volume Optimization point
Cloth, it is ensured that server stable operation, while avoiding by the way of lifting rotation speed of the fan, prevents fan from producing power wastage and height
The problem of decibel noise etc..
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. all should be interpreted broadly, example
Such as, " connection " can be fixedly connected or be detachably connected, or be integrally connected；Can be joined directly together, can also
It is indirectly connected to by intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that specific features, structure, material or feature with reference to the embodiment or example description are contained at least one reality of the application
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode is combined.
Although the embodiment disclosed by the application is as above, described content is only to readily appreciate the application and use
Embodiment, is not limited to the application.Technical staff in any the application art, is taken off not departing from the application
On the premise of the spirit and scope of dew, any modification and change, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of server, it is characterised in that including：
Fan；
Multiple air channels, positioned at one side of the fan；
Multiple air quantity demand detection units, correspond and are arranged in multiple air channels, to detect in each described air channel
Air quantity demand；
Volume adjusting apparatus, between the fan and multiple air channels, the fan, which is used to adjust to the air quantity, to be filled
The air quantity of predetermined value is blown into putting, the volume adjusting apparatus is used to adjust according to the air quantity demand in each described air channel and entered
To the air quantity each described in air channel；With
Control unit, is electrically connected with the fan, multiple air quantity demand detection units and the volume adjusting apparatus.
2. server according to claim 1, it is characterised in that the fan includes multiple, and multiple fans
Correspond and set with multiple air channels.
3. server according to claim 2, it is characterised in that also include：
Fan adjustment unit, is electrically connected with described control unit, to lift normal fan when there is abnormal fan
Rotating speed, the air quantity for making to be blown into the volume adjusting apparatus is preset value.
4. server according to claim 3, it is characterised in that lift normal fan when there is abnormal fan
Rotating speed, the step of air quantity for making to be blown into the volume adjusting apparatus is preset value be：
When there is abnormal fan, the rotating speed of the whole normal fans of fan adjustment unit lifting makes to be blown into the wind
The air quantity of quantity regulating device is preset value；Or
When there is abnormal fan, the fan adjustment unit lifts turning for the fan of the neighbouring positive production of the abnormal fan
Speed, the air quantity for making to be blown into the volume adjusting apparatus is preset value.
5. server according to any one of claim 1 to 4, it is characterised in that the volume adjusting apparatus is assembling
Pendulum leaf and motor together.
6. server according to claim 5, it is characterised in that the pendulum leaf and the motor include and multiple wind
Road is multigroup correspondingly.
7. server according to any one of claim 1 to 4, it is characterised in that multiple air quantity demand detections are single
Member is temperature sensor.
8. the air quantity adjusting method in air channel in a kind of server, it is characterised in that fan is blown into predetermined into volume adjusting apparatus
The air quantity of value, air quantity demand detection unit detects the air quantity demand in each air channel, and volume adjusting apparatus is according to each wind
The air quantity that air quantity demand regulation in road is entered in each air channel.
9. the air quantity adjusting method in air channel in server according to claim 8, it is characterised in that there is abnormal wind
During fan, fan adjustment unit lifts the rotating speed of normal fan, and the air quantity for making to be blown into the volume adjusting apparatus is preset value.
10. the air quantity adjusting method in air channel in server according to claim 9, it is characterised in that there is exception
The rotating speed of normal fan is lifted during fan, the step of air quantity for making to be blown into the volume adjusting apparatus is preset value is：
When there is abnormal fan, the rotating speed of the whole normal fans of fan adjustment unit lifting makes to be blown into the wind
The air quantity of quantity regulating device is preset value；Or
When there is abnormal fan, the fan adjustment unit lifts turning for the fan of the neighbouring positive production of the abnormal fan
Speed, the air quantity for making to be blown into the volume adjusting apparatus is preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606787.XA CN107155287A (en) | 2017-07-24 | 2017-07-24 | The air quantity adjusting method in air channel in a kind of server and server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606787.XA CN107155287A (en) | 2017-07-24 | 2017-07-24 | The air quantity adjusting method in air channel in a kind of server and server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107155287A true CN107155287A (en) | 2017-09-12 |
Family
ID=59796963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606787.XA Pending CN107155287A (en) | 2017-07-24 | 2017-07-24 | The air quantity adjusting method in air channel in a kind of server and server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107155287A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109271005A (en) * | 2018-10-08 | 2019-01-25 | 郑州云海信息技术有限公司 | Server |
| CN113099676A (en) * | 2021-03-30 | 2021-07-09 | 联想(北京)信息技术有限公司 | Electronic equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103140116A (en) * | 2011-11-30 | 2013-06-05 | 华为技术有限公司 | Temperature control method of rack system and air supply system of rack system |
| CN104390274A (en) * | 2014-12-17 | 2015-03-04 | 山东格瑞德集团有限公司 | Ventilation and air conditioning system for base station room |
| CN104460880A (en) * | 2014-11-12 | 2015-03-25 | 杭州华为数字技术有限公司 | Cabinet server and control method thereof |
| CN204513577U (en) * | 2015-01-08 | 2015-07-29 | 北京创和世纪通讯技术股份有限公司 | Air-conditioner tail end equipment capable between cabinet-type row |
| US20150373877A1 (en) * | 2014-06-20 | 2015-12-24 | Dell Products, Lp | System and Method for Improving Fan Life in an Information Handling System |
| CN105240930A (en) * | 2015-09-11 | 2016-01-13 | 珠海格力电器股份有限公司 | Air regulation device and method, and cabinet air conditioner |
| CN205584695U (en) * | 2016-04-01 | 2016-09-14 | 天津七所精密机电技术有限公司 | High power rack with design of novel wind path |
| CN206165077U (en) * | 2016-10-31 | 2017-05-10 | 常州太平通讯科技有限公司 | Hot blast blowpipe apparatus for rack |
| CN206273040U (en) * | 2016-12-13 | 2017-06-20 | 深圳市诚业通信技术有限公司 | A kind of IDC wind-cooling heat dissipatings rack |
-
2017
- 2017-07-24 CN CN201710606787.XA patent/CN107155287A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103140116A (en) * | 2011-11-30 | 2013-06-05 | 华为技术有限公司 | Temperature control method of rack system and air supply system of rack system |
| US20150373877A1 (en) * | 2014-06-20 | 2015-12-24 | Dell Products, Lp | System and Method for Improving Fan Life in an Information Handling System |
| CN104460880A (en) * | 2014-11-12 | 2015-03-25 | 杭州华为数字技术有限公司 | Cabinet server and control method thereof |
| CN104390274A (en) * | 2014-12-17 | 2015-03-04 | 山东格瑞德集团有限公司 | Ventilation and air conditioning system for base station room |
| CN204513577U (en) * | 2015-01-08 | 2015-07-29 | 北京创和世纪通讯技术股份有限公司 | Air-conditioner tail end equipment capable between cabinet-type row |
| CN105240930A (en) * | 2015-09-11 | 2016-01-13 | 珠海格力电器股份有限公司 | Air regulation device and method, and cabinet air conditioner |
| CN205584695U (en) * | 2016-04-01 | 2016-09-14 | 天津七所精密机电技术有限公司 | High power rack with design of novel wind path |
| CN206165077U (en) * | 2016-10-31 | 2017-05-10 | 常州太平通讯科技有限公司 | Hot blast blowpipe apparatus for rack |
| CN206273040U (en) * | 2016-12-13 | 2017-06-20 | 深圳市诚业通信技术有限公司 | A kind of IDC wind-cooling heat dissipatings rack |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109271005A (en) * | 2018-10-08 | 2019-01-25 | 郑州云海信息技术有限公司 | Server |
| CN113099676A (en) * | 2021-03-30 | 2021-07-09 | 联想(北京)信息技术有限公司 | Electronic equipment |
| CN113099676B (en) * | 2021-03-30 | 2023-02-24 | 联想(北京)信息技术有限公司 | Electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104808719B (en) | A kind of temperature control system and method | |
| CN105020847B (en) | Air conditioner and its wind speed control method | |
| CN206585239U (en) | A kind of dust-proof radiating type power distribution cabinet | |
| CN107155287A (en) | The air quantity adjusting method in air channel in a kind of server and server | |
| CN104713203B (en) | A kind of air conditioner wind speed control method and system | |
| CN101858635A (en) | Air conditioner control method | |
| CN107295785A (en) | A kind of multiple cases regulator cubicle natural cooling air channel structure based on parallel air duct | |
| CN103029715B (en) | Indoor temperature control method of subway vehicle | |
| CN209097667U (en) | A kind of sun formula wiring board board cooler | |
| CN205156217U (en) | Water -curtain -type air -cooler and computer lab temperature control system | |
| CN206906558U (en) | A kind of high voltage shore power power module aging equipment | |
| CN110594945B (en) | Intelligent group control method for water chilling unit of subway station | |
| CN209929843U (en) | Safety auxiliary device of transformer substation | |
| CN108418125A (en) | A kind of energy-saving power distribution cabinet conditioner and method | |
| CN106642572A (en) | Air conditioner control method, controller and air conditioner | |
| CN205452884U (en) | Switch board cooling system of injection molding machine | |
| CN206269453U (en) | A kind of heat abstractor for being applied to petroleum machinery | |
| CN205190293U (en) | Projecting apparatus radiator fan control system | |
| CN107975925A (en) | Wind turbine gear adjusting method and device | |
| CN107640684A (en) | A kind of protection type elevator control gear system with cushioning airbag | |
| CN201722284U (en) | Cooling device for glass fiber drawing machine | |
| CN113760004A (en) | Tower type optical FOD detector temperature control device | |
| CN204014387U (en) | Rack circulated air temperature-control adjustment device | |
| CN106247750A (en) | Heat abstractor and refrigerator | |
| CN108195044A (en) | A kind of optimal control method of heat-exchange fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170912 |