CN102364406A - Machine-cabinet dynamic refrigeration heat dissipation control method - Google Patents
Machine-cabinet dynamic refrigeration heat dissipation control method Download PDFInfo
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- CN102364406A CN102364406A CN2011102767917A CN201110276791A CN102364406A CN 102364406 A CN102364406 A CN 102364406A CN 2011102767917 A CN2011102767917 A CN 2011102767917A CN 201110276791 A CN201110276791 A CN 201110276791A CN 102364406 A CN102364406 A CN 102364406A
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Abstract
The invention provides a machine-cabinet dynamic refrigeration heat dissipation control method. A cooling system related in the method comprises: a machine-cabinet liquid cooling unit, an electric-control dynamic regulating valve, a microprocessor, a cooling pipe and an outdoor water chiller. In the invention, a signal is transmitted to the microprocessor through a temperature sensor. The microprocessor determines a temperature value of a corresponding position and gives an instruction to the electric-control dynamic regulating valve. The electric-control dynamic regulating valve dynamically adjusts a flow of circulating water according to the transmitted instruction and dynamically adjusts a partial refrigerating capacity of the machine-cabinet liquid cooling unit so as to achieve a purpose of dynamically cooling the machine cabinet. Compared to the traditional design method, by using the method, many advantages can be obtained, such as energy saving, environmental protection, a good cooling effect and the like. Therefore, the method can be widely popularized.
Description
Technical field
The present invention relates to a kind of cooling machine cabinet technical field, specifically a kind of rack cooling control method that dynamically freezes.
Background technology
Widespread use along with high heat density blade server; High heat density cooling machine cabinet problem has proposed significant challenge to us; The previous 42U rack of order internal heat density has reached 30KW, adopts traditional air-cooled solution can't solve the heat dissipation problem of present electronic equipment.Many manufacturers have proposed corresponding solution to the high heat density problem of machine room, the high heat density problem that these manufacturers generally adopt the mode of water-cooled to solve to face at present, and obtained comparatively desirable achievement.There are many producers such as prestige figure, Ai Mosheng, APC in wherein outstanding manufacturer.But the water-cooling pattern of present main flow is all regarded rack as an integral body and is freezed, and great shortcoming of this refrigeration modes is exactly to solve the problem that hot localised points appears in rack inside.
Summary of the invention
The purpose of this invention is to provide a kind of rack cooling control method that dynamically freezes.
The objective of the invention is to realize by following mode; System comprises: rack liquid cooling unit, microprocessor, automatically controlled dynamic adjustments valve, cooling duct and outdoor handpiece Water Chilling Units, and controlled step is following: when the temperature value at a certain position, rack inside was higher or low, the temperature sensor of corresponding site sent temperature information to rack liquid cooling unit inner microprocessor; Microprocessor is according to the information of collecting; Analyze next step action behavior, and produce the automatically controlled dynamic adjustments valve that trigger pip triggers respective disc tube loop front end, the signal that automatically controlled dynamic adjustments valve sends according to microprocessor; Dynamically adjust the size of coil circuit discharge; Microprocessor comprises controller, determining device, signal trigger three parts, and controller is responsible for collecting the temperature information that the temperature sensor transmission comes, and with sending determining device to after this information compiling; Judge that according to the information after the via controller compiling temperature of the inner corresponding site of rack is high and low by determining device; And confirm next step action behavior that need take, and the information of this action behavior is passed to signal trigger, produce corresponding level triggers signal by signal trigger; And this signal passed to the automatically controlled dynamic adjustments valve of each coil pipe branch road of rack liquid cooling unit; In order to regulate the size of automatically controlled dynamic adjustments threshold switch, the discharge of coil pipe arm thereby adjusting is respectively intake is to reach the target of dynamic adjustments rack corresponding site temperature value.
Cooling duct comprises the one-level circulation system and the secondary circulation system; The one-level circulation system and the secondary circulation system are isolated through heat exchanger; The one-level circulation system comprises main water pipeline, main water return tube road, forcing pump; Main water pipeline is by means of carrying out the conveying of cold through softening building chilled water; For a whole set of cooling system provides the cold supply, the main water return tube road is responsible for that the softening water after heat exchanger heats is flowed to outdoor handpiece Water Chilling Units and is cooled off, and forcing pump is responsible for power resources to the one-level circulation system being provided; The secondary circulation system adopts R410A as refrigerant; The secondary circulation system will be carried out exchange heat with the one-level circulation system from the heat that rack absorbs in heat exchanger, and via the main water return tube road of the one-level circulation system heat will be sent to outdoor handpiece Water Chilling Units and cools off.
The secondary circulation system comprises some groups of loops; Every group of loop comprises a water inlet pipe and a rising pipe; This water inlet pipe and rising pipe are that single rack freezes as a unit; Secondary inlet channel place is designed with a liquid storage pool, and this liquid storage pool is placed the R410A of some, in order to ensure the fluid flow of secondary circulation system pipeline.
Every group of loop of the secondary circulation system is divided into N group coil pipe branch road again in rack rack liquid cooling unit inside; Every group of coil pipe branch road comprises a water inlet arm and a return branch; Each organizes the different parts that coil pipe is distributed in rack rack liquid cooling unit from top to bottom, is responsible for the rack corresponding site and freezes.
The I and II circulation system all adopts forcing pump that power resources are provided.
Through in N coil circuit of rack liquid cooling unit indoor design; Each coil circuit front end is connected to an automatically controlled dynamic adjustments valve; The discharge of each coil circuit of command signal dynamic adjustments that automatically controlled dynamic adjustments valve sends according to microprocessor, thus be reached for the inner dynamically purpose of refrigeration that realizes of rack.
N inner coil circuit of rack rack liquid cooling unit is distributed in rack rack liquid cooling unit corresponding site from top to bottom; Corresponding every position all is provided with a temperature sensor; In order to detecting the state of temperature of the inner corresponding site of rack, and transmit signals to the microprocessor of rack cooling system.
Exchange heat between rack and rack liquid cooling unit is carried out through common air cooling way, and the inner heat of rack passes to the rack liquid cooling unit through air cooling way, and by the water return pipeline of rack liquid cooling unit corresponding heat is taken away,
Excellent effect of the present invention is following:
Inhomogeneous in order to solve high heat density rack internal heat dissipating; The problem that has hot localised points is divided into a plurality of parts with the rack liquid cooling unit, and each part is all installed corresponding temperature sensor; Temperature sensor sends collected rack internal temperature information to microprocessor; Microprocessor is made after the judgement the automatically controlled dynamic adjustments valve that instruction is sent to the respective disc tube loop, regulates the discharge of respective disc tube loop, thereby reaches the purpose of dynamic adjustments rack relevant position temperature; The largest benefit of this mode is exactly effectively to eliminate the inner hot localised points of rack, makes rack inside reach best refrigerating efficiency.
The present invention is provided with automatically controlled dynamic adjustments valve through the front end in each coil circuit of rack liquid cooling unit; Through the discharge of automatically controlled dynamic adjustments valve according to each coil circuit of rack internal temperature state dynamic adjustments; Thereby reach the purpose of dynamic adjustments rack internal temperature; The present invention is convenient easy-to-use, efficient, energy-conservation.
The present invention has carried out further division through in N coil circuit of rack liquid cooling unit set inside rack rack liquid cooling unit internal water being circulated, thereby makes the rack liquid cooling unit reach more meticulous purpose to rack internal refrigeration storage effect.
The present invention installs automatically controlled dynamic adjustments valve at rack liquid cooling unit front end; After rack liquid cooling unit temperature inside sensor passes to microprocessor with the temperature signal that detects; After making discriminatory analysis by microprocessor, send trigger pip and give automatically controlled dynamic adjustments valve, control the size of automatically controlled dynamic adjustments threshold switch; Thereby the temperature value of dynamic adjustments rack corresponding site height guarantees that rack internal refrigeration storage effect is even.
Description of drawings:
Accompanying drawing 1 is the liquid cooling system fundamental diagram;
Accompanying drawing 2 is a rack liquid cooling unit temperature control system schematic diagram;
Accompanying drawing 3 is a rack liquid cooling unit temperature control system control flow chart.
Concrete implementation:
With reference to Figure of description method of the present invention is done following detailed explanation.
The cooling system that arrives involved in the present invention is made up of rack liquid cooling unit, automatically controlled dynamic adjustments valve, microprocessor, cooling duct and outdoor handpiece Water Chilling Units five parts.The present invention by means of rack liquid cooling unit temperature inside sensor as monitoring unit; In order to surveying rack temperature inside state, and this information is passed to the inner microprocessor of rack liquid cooling unit, by the state of temperature of the inner corresponding site of microprocessor judges rack; After carrying out analyzing and processing; Confirm next step action behavior, and will assign automatically controlled dynamic adjustments valve the behavior, in order to regulate the size of the automatically controlled dynamic adjustments threshold switch of dynamic adjustments to corresponding position; Thereby regulate the discharge of corresponding coil pipe branch road, reach the purpose of dynamic adjustments rack internal temperature state.
The cooling duct of this cooling system comprises the one-level circulation system and the secondary circulation system (like accompanying drawing 1); The one-level circulation system and the secondary circulation system are isolated through heat exchanger; The one-level circulation system comprises a main water pipeline and a main water return tube road, and wherein, main water pipeline is responsible for giving a whole set of liquid cooling system that low-temperature receiver is provided; The main water return tube road is responsible for chilled water through heat exchanger heats and is delivered to handpiece Water Chilling Units and cools off; The secondary circulation system comprises multiple groups of loop, and every group of loop comprises a water inlet pipe and a rising pipe, and water inlet pipe and rising pipe are that rack dispels the heat as a unit.
Every group of loop of the rack secondary circulation system is refined as a N tube loop (like accompanying drawing 1) again at rack liquid cooling unit end; Every group is propped up tube loop and comprises rising pipe of a water inlet pipe; Every water inlet pipe front end is provided with an automatically controlled dynamic adjustments valve; Automatically controlled dynamic adjustments valve is big or small according to the discharge of each coil circuit of command signal dynamic adjustments that microprocessor passes over, thereby is reached for the inner dynamically purpose of refrigeration that realizes of rack.
A N inner tube loop of rack liquid cooling unit is distributed in the different parts of rack liquid cooling unit from top to bottom; Corresponding every position all is provided with a temperature sensor; In order to surveying rack temperature inside state, and the signal that obtains is passed to the inner microprocessor of rack liquid cooling unit, carries out judgment processing by microprocessor; And trigger pip passed to the automatically controlled dynamic adjustments valve of arm front end; In order to regulating the size of automatically controlled dynamic adjustments threshold switch, thereby reach the size of dynamic adjustments corresponding site discharge, be reached for the purpose that rack dynamically freezes.(like accompanying drawing 2)
The inner microprocessor of rack liquid cooling unit comprises controller, determining device, signal trigger three parts; Controller is responsible for collecting the temperature information that the temperature sensor transmission comes; And, judge that according to the information after the via controller compiling rack temperature inside is high and low, and confirm next step action behavior that need take by determining device with passing to determining device after this information compiling; And the information of this action behavior passed to signal trigger; Produce corresponding level triggers signal by signal trigger, and this signal is passed to respectively the intake automatically controlled dynamic adjustments valve of coil pipe branch road front end of rack liquid cooling unit, in order to regulate the size of automatically controlled dynamic adjustments threshold switch; Thereby regulate the discharge of the coil pipe arm of respectively intaking, to reach the target (control flow of liquid cooling unit sees also accompanying drawing 3) of the inner corresponding site temperature value of dynamic adjustments rack.
Except that the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (8)
1. rack cooling control method that dynamically freezes is characterized in that, comprising: rack liquid cooling unit, microprocessor, automatically controlled dynamic adjustments valve, cooling duct and outdoor handpiece Water Chilling Units; Controlled step is following: when the temperature value at a certain position, rack inside is higher or low; The temperature sensor of corresponding site sends temperature information to rack liquid cooling unit inner microprocessor, and microprocessor is analyzed next step action behavior according to the information of collecting; And the generation trigger pip triggers the automatically controlled dynamic adjustments valve of respective disc tube loop front end; The signal that automatically controlled dynamic adjustments valve sends according to microprocessor is dynamically adjusted the size of coil circuit discharge, and microprocessor comprises controller, determining device, signal trigger three parts; Controller is responsible for collecting the temperature information that the temperature sensor transmission comes; And, judge that according to the information after the via controller compiling temperature of the inner corresponding site of rack is high and low by determining device, and confirm next step action behavior that need take sending determining device to after this information compiling; And the information of this action behavior passed to signal trigger; Produce corresponding level triggers signal by signal trigger, and this signal is passed to the automatically controlled dynamic adjustments valve of each coil pipe branch road of rack liquid cooling unit, in order to regulate the size of automatically controlled dynamic adjustments threshold switch; Thereby regulate the discharge of the coil pipe arm of respectively intaking, to reach the target of dynamic adjustments rack corresponding site temperature value.
2. according to claims 1 described method; It is characterized in that; Its cooling duct comprises the one-level circulation system and the secondary circulation system, and the one-level circulation system and the secondary circulation system are isolated through heat exchanger, and the one-level circulation system comprises main water pipeline, main water return tube road, forcing pump; Main water pipeline is by means of carrying out the conveying of cold through softening building chilled water; For a whole set of cooling system provides the cold supply, the main water return tube road is responsible for that the softening water after heat exchanger heats is flowed to outdoor handpiece Water Chilling Units and is cooled off, and forcing pump is responsible for power resources to the one-level circulation system being provided; The secondary circulation system adopts R410A as refrigerant; The secondary circulation system will be carried out exchange heat with the one-level circulation system from the heat that rack absorbs in heat exchanger, and via the main water return tube road of the one-level circulation system heat will be sent to outdoor handpiece Water Chilling Units and cools off.
3. according to claims 2 described methods; It is characterized in that its secondary circulation system comprises some groups of loops, every group of loop comprises a water inlet pipe and a rising pipe; This water inlet pipe and rising pipe are that single rack freezes as a unit; Secondary inlet channel place is designed with a liquid storage pool, and this liquid storage pool is placed the R410A of some, in order to ensure the fluid flow of secondary circulation system pipeline.
4. according to claims 2 described methods; It is characterized in that; Its every group of loop of secondary circulation system is divided into N group coil pipe branch road again in rack rack liquid cooling unit inside; Every group of coil pipe branch road comprises a water inlet arm and a return branch, and each organizes the different parts that coil pipe is distributed in rack rack liquid cooling unit from top to bottom, is responsible for the rack corresponding site and freezes.
5. according to claims 2 described methods, it is characterized in that its I and II circulation system all adopts forcing pump that power resources are provided.
6. according to claims 2 described methods; It is characterized in that; Through in N coil circuit of rack liquid cooling unit indoor design; Each coil circuit front end is connected to an automatically controlled dynamic adjustments valve, the discharge of each coil circuit of command signal dynamic adjustments that automatically controlled dynamic adjustments valve sends according to microprocessor, thus be reached for the inner dynamically purpose of refrigeration that realizes of rack.
7. according to claims 2 described methods; It is characterized in that; N inner coil circuit of rack rack liquid cooling unit is distributed in rack rack liquid cooling unit corresponding site from top to bottom; Corresponding every position all is provided with a temperature sensor, in order to detecting the state of temperature of the inner corresponding site of rack, and transmits signals to the microprocessor of rack cooling system.
8. according to claims 2 described methods; Its characteristic exists; Exchange heat between rack and rack liquid cooling unit is carried out through common air cooling way; The inner heat of rack passes to the rack liquid cooling unit through air cooling way, and by the water return pipeline of rack liquid cooling unit corresponding heat is taken away.
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| CN2011102767917A CN102364406A (en) | 2011-09-19 | 2011-09-19 | Machine-cabinet dynamic refrigeration heat dissipation control method |
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Cited By (16)
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| CN102929372A (en) * | 2012-11-06 | 2013-02-13 | 桑小飞 | Water-cooling circulating system inside server |
| CN103558878A (en) * | 2013-11-07 | 2014-02-05 | 曙光信息产业(北京)有限公司 | Method and device for adjusting temperature of server |
| CN103997879A (en) * | 2014-05-19 | 2014-08-20 | 上海理工大学 | Radiator |
| CN104252187A (en) * | 2014-09-19 | 2014-12-31 | 广东申菱空调设备有限公司 | Control method for heat dissipation system of secondary water loop server cabinet |
| CN104754924A (en) * | 2015-03-31 | 2015-07-01 | 广东申菱空调设备有限公司 | Server heat radiation system combining liquid cooling device and auxiliary heat radiating device |
| CN104797098A (en) * | 2015-05-12 | 2015-07-22 | 苏州携旅网络技术有限公司 | Water tank heat radiation type communication case |
| CN104808713A (en) * | 2015-03-31 | 2015-07-29 | 宁波杭州湾新区祥源动力供应有限公司 | Control system for conditioning internal temperature of electric cabinet box |
| CN107295779A (en) * | 2016-04-12 | 2017-10-24 | 华为技术有限公司 | A kind of liquid cooling heat radiation system, flow control methods and device |
| CN107396599A (en) * | 2017-07-14 | 2017-11-24 | 华南理工大学 | A kind of heat abstractor and thermal management algorithm of movable cabinet level server system |
| CN108012513A (en) * | 2017-12-29 | 2018-05-08 | 华南理工大学 | It is a kind of without the in the ranks data center of air-conditioning and its cooling system |
| CN110913656A (en) * | 2019-11-16 | 2020-03-24 | 珠海格力智能装备有限公司 | Heat dissipation system and heat dissipation method of robot electric cabinet |
| WO2020177010A1 (en) * | 2019-03-01 | 2020-09-10 | 深圳市建恒测控股份有限公司 | Heat-dissipation system and control method therefor, and electronic device |
| CN111854290A (en) * | 2020-07-16 | 2020-10-30 | 西安交通大学 | Liquid cooling working medium conveying system and design method thereof |
| CN112203481A (en) * | 2020-10-30 | 2021-01-08 | 上海德衡数据科技有限公司 | Container module prefabricated data center |
| CN113115563A (en) * | 2021-03-30 | 2021-07-13 | 山东英信计算机技术有限公司 | Liquid cooling plate pipeline flow distribution device and control method |
| CN115903945A (en) * | 2022-10-18 | 2023-04-04 | 中国人民解放军军事科学院军事科学信息研究中心 | Air conditioner control system, control method, control device and storage medium for machine room |
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| CN102929372A (en) * | 2012-11-06 | 2013-02-13 | 桑小飞 | Water-cooling circulating system inside server |
| CN103558878A (en) * | 2013-11-07 | 2014-02-05 | 曙光信息产业(北京)有限公司 | Method and device for adjusting temperature of server |
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| CN103997879B (en) * | 2014-05-19 | 2016-05-25 | 上海理工大学 | Radiator |
| CN104252187A (en) * | 2014-09-19 | 2014-12-31 | 广东申菱空调设备有限公司 | Control method for heat dissipation system of secondary water loop server cabinet |
| CN104754924A (en) * | 2015-03-31 | 2015-07-01 | 广东申菱空调设备有限公司 | Server heat radiation system combining liquid cooling device and auxiliary heat radiating device |
| CN104808713A (en) * | 2015-03-31 | 2015-07-29 | 宁波杭州湾新区祥源动力供应有限公司 | Control system for conditioning internal temperature of electric cabinet box |
| CN104797098A (en) * | 2015-05-12 | 2015-07-22 | 苏州携旅网络技术有限公司 | Water tank heat radiation type communication case |
| CN107295779A (en) * | 2016-04-12 | 2017-10-24 | 华为技术有限公司 | A kind of liquid cooling heat radiation system, flow control methods and device |
| CN107396599A (en) * | 2017-07-14 | 2017-11-24 | 华南理工大学 | A kind of heat abstractor and thermal management algorithm of movable cabinet level server system |
| CN108012513A (en) * | 2017-12-29 | 2018-05-08 | 华南理工大学 | It is a kind of without the in the ranks data center of air-conditioning and its cooling system |
| CN108012513B (en) * | 2017-12-29 | 2023-10-20 | 华南理工大学 | Data center without inter-row air conditioner and heat dissipation system thereof |
| WO2020177010A1 (en) * | 2019-03-01 | 2020-09-10 | 深圳市建恒测控股份有限公司 | Heat-dissipation system and control method therefor, and electronic device |
| CN110913656A (en) * | 2019-11-16 | 2020-03-24 | 珠海格力智能装备有限公司 | Heat dissipation system and heat dissipation method of robot electric cabinet |
| CN111854290A (en) * | 2020-07-16 | 2020-10-30 | 西安交通大学 | Liquid cooling working medium conveying system and design method thereof |
| CN112203481A (en) * | 2020-10-30 | 2021-01-08 | 上海德衡数据科技有限公司 | Container module prefabricated data center |
| CN113115563A (en) * | 2021-03-30 | 2021-07-13 | 山东英信计算机技术有限公司 | Liquid cooling plate pipeline flow distribution device and control method |
| CN115903945A (en) * | 2022-10-18 | 2023-04-04 | 中国人民解放军军事科学院军事科学信息研究中心 | Air conditioner control system, control method, control device and storage medium for machine room |
| CN115903945B (en) * | 2022-10-18 | 2023-12-01 | 中国人民解放军军事科学院军事科学信息研究中心 | Air conditioner control system, control method, control device and storage medium of machine room |
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Application publication date: 20120229 |