CN205430870U - Data center refrigerating station team control control system - Google Patents
Data center refrigerating station team control control system Download PDFInfo
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- CN205430870U CN205430870U CN201620219988.5U CN201620219988U CN205430870U CN 205430870 U CN205430870 U CN 205430870U CN 201620219988 U CN201620219988 U CN 201620219988U CN 205430870 U CN205430870 U CN 205430870U
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Abstract
The utility model discloses a data center refrigerating station team control control system, include the team control controller of being connected with the switch, a plurality of freezing unit and the freezing cell controller that connects of freezing unit one -to -one, freezing cell controller equallys divide and bie is connected with team control controller, switch, the team control controller is connected with team control temperature sensor and team control flow sensor respectively to monitor freezing cell controller, realize stopping control, trouble state feedback and polling operation to opening of freezing unit, freezing cell controller monitors the operation conditions of team control controller through detecting the real -time heartbeat signal of received. The utility model discloses a freezing cell controller of team control controller and each is at network aspect complete independence, and any one controller breaks down does not all influence the normal work of other controllers, can make refrigerating station system redundancy set up can really realize, the single -point fault that avoids arousing because of the power supply and the single -point fault who arouses because of sensor failure.
Description
Technical field
This utility model relates to a kind of control system, particularly relates to refrigeration station of a kind of data center team control control system.
Background technology
At present, along with day by day highlighting of social informatization importance, various data centers have become as the economic infrastructure as traffic, the energy, and the physical infrastructure of data center is information technology and communication network the is rely basis existed.Wherein, refrigeration station of data center is the major refrigeration of data center module, and therefore, the importance of refrigeration station of data center automatic control system is self-evident.
The data center of present domestic automatic control system mostly uses a controller to control whole cold station equipments or the system architecture according to cold station equipment classification configurations controller.Each sensor values that traditional data center's control of freezing station system is arranged on refrigeration station pipeline by collection, draws relevant control strategy, is controlled the relevant device in cold station.But there is numerous disadvantage in this traditional control of freezing station system:
Due to all of automation equipment or a kind equipment in a controller control refrigeration plant, this system architecture makes controller become system and runs successfully key, any fault of this controller all cannot be properly functioning by the kind equipment causing this whole control system or control system, and properly functioning to data center threatens.
Secondly, traditional control of freezing station system middle controller is powered only with single supply.When there is loss of power, controller is by power down, and in causing refrigeration station, relevant device cannot normally work, thus the temperature departure setting value in causing data center machine room, results even in data center and delay machine time serious.
Additionally, the sensor that traditional control of freezing station system is used does not carries out redundancy setting mostly, the system of single sensor is arranged, cause sensor values cannot be verified and comparison, the accuracy making numerical value reduces, impact is controlled the correct execution of logic by the most single sensor fault, makes the reliability decrease of system；Even if or carried out redundancy setting, but owing to traditional use of data center is longitudinally grouped the system architecture controlled more, i.e. same category of device packet controls or confusion distribution completely, and controller arbitrarily configures.These system architectures all can cause the redundancy of refrigeration station equipment arrange framework be corrupted such that refrigeration station system redundancy arrange cannot be achieved.
Utility model content
In order to solve the weak point existing for above-mentioned technology, this utility model provides refrigeration station of a kind of data center team control control system.
In order to solve above technical problem, the technical solution adopted in the utility model is: refrigeration station of a kind of data center team control control system, including switch, team control controller, freezing unit controller and freezing unit；Freezing unit controller and freezing unit are multiple, and freezing unit controller matches with the quantity of freezing unit, and each freezing unit controller is connected with a freezing unit respectively；Freezing unit controller is connected with team control controller, switch respectively；Team control controller is connected with switch；Team control controller is all connected with ups power with freezing unit controller；
Team control controller, by the heart beating sending module being provided at its inner portion, sends heartbeat signal to the heart beating receiver module of freezing unit controller；Team control controller is connected with the team control temperature sensor being arranged on chilled water main line and team control flow transducer respectively；
Freezing unit is made up of cold, Leng Ta, water pump, auxiliary equipment；Cold, Leng Ta, water pump, auxiliary equipment are arranged in chilled water branch pipeline；Auxiliary equipment is made up of switch valve, regulation valve, unit temperature sensor, unit of flow sensor；Switch valve, regulation valve, unit temperature sensor, unit of flow sensor are both connected on freezing unit controller.
Ups power is divided into the primary ups power of different low-pressure system and standby ups power.
Freezing unit controller is connected with team control controller by hardwire.Team control temperature sensor, team control flow transducer are multiple.
The beneficial effects of the utility model are:
(1) this refrigeration station team control control system is that each freezing unit is provided with freezing unit controller, team control controller and each freezing unit controller and is completely independent at network level, and any one controller breaks down does not affects the normal work of other controllers.
(2) freezing unit controller is by detecting the heartbeat signal of team control controller, determines the effectiveness of the control command that team control controller sends, avoids the execution of Wrong control order with this；By the feedback signal of detection freezing unit controller, team control controller guarantees that control command effectively performs, guarantee that the redundancy of control system is arranged with this and arrange consistent with equipment redundancy in refrigeration station, make refrigeration station system redundancy arrange and really realized.
(3) all controllers are powered by the ups power from the two different low-pressure systems of set, it is to avoid the Single Point of Faliure caused because of power supply.
(4) each sensor being connected directly to team control controller all carries out redundancy setting, it is to avoid parameter error that the wrong collection information caused because of sensor fault calculates for control strategy and the Single Point of Faliure caused because of sensor fault.
Accompanying drawing explanation
Fig. 1 is the control system block diagram of existing conventional data centers refrigeration station.
Fig. 2 is the structured flowchart of this utility model team control control system.
Fig. 3 is the waveform diagram of this utility model heartbeat signal.
Fig. 4 be this utility model team control controller with freezing unit controller be specifically connected block diagram.
Fig. 5 is the connection block diagram of this utility model freezing unit controller and freezing unit.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
As in figure 2 it is shown, this utility model includes switch, team control controller, freezing unit controller and freezing unit；Freezing unit controller and freezing unit are multiple, and freezing unit controller matches with the quantity of freezing unit, and each freezing unit controller is connected with a freezing unit respectively；Freezing unit controller is connected with team control controller, switch respectively；Team control controller is connected with switch, and team control controller and freezing unit controller carry out data exchange and synchronization by hardwire；Team control controller is all uninterrupted from the primary UPS(of different low-pressure systems with freezing unit controller) power supply and standby ups power be connected, it is ensured that and wherein during a road power failure, controller can be properly functioning, reduces the Single Point of Faliure caused because of power supply.
Team control controller is connected with the team control temperature sensor being arranged on chilled water main line and team control flow transducer respectively, and freezing unit controller is monitored by the information collected according to team control temperature sensor and team control flow transducer, it is achieved on off control, malfunction feedback and the poll of freezing unit is run；
Team control controller sends heartbeat signal to freezing unit controller in running, and the operation conditions of team control controller is monitored by the real-time heart beat signal that freezing unit controller is received by detection.
Freezing unit is made up of cold, Leng Ta, water pump, auxiliary equipment；Cold, Leng Ta, water pump, auxiliary equipment are arranged in chilled water branch pipeline；Auxiliary equipment is made up of switch valve, regulation valve, unit temperature sensor, unit of flow sensor；Switch valve, regulation valve, unit temperature sensor, unit of flow sensor are both connected on freezing unit controller.
Team control temperature sensor, team control flow transducer are multiple, use redundancy to arrange, the Single Point of Faliure caused because of sensor fault with minimizing.When the scope having any sensor exceedes the range of verification, team control controller is by using standby sensor values to calculate, when active and standby sensor all breaks down, and the system then fixing running status run before failure.
This utility model is that each freezing unit arranges a freezing unit controller, this freezing unit controller and the freezing unit one_to_one corresponding of setting in refrigeration station, both corresponding a set of freezing units of freezing unit controller.The Main Function of this freezing unit controller includes the start and stop controlling corresponding freezing unit, has both controlled the linkage start and stop of freezing unit internal cold, water pump, switch valve etc.；When freezing unit successful operation, freezing unit controller should send operating state signal to team control controller；When breaking down when freezing unit runs, freezing unit controller should send malfunction feedback to team control controller.
The controller of said system is independent of one another, controls program also independent of one another, is only the collaborative work relation of physical layer between team control controller and freezing unit controller.Each freezing unit controller is connected with team control controller by hardwire, and each freezing unit controller, team control controller carry out data exchange and synchronization further through switch.The program that team control management controls operates in team control controller, and the control program of freezing unit controller operates in freezing unit controller, and the control program of each controller all can be independent of between operation program with independent operating mutually.When a set of freezing unit controller breaks down, other freezing unit controller can continue to remain on.
Use the control method of this utility model team control control system, comprise the following steps:
(1) system energization is in automatic control state, first passes through team control controller and starts a freezing unit, allows whole system bring into operation；
The mode of one freezing unit of concrete startup is:
A () team control controller sends heartbeat signal to freezing unit controller；
B () team control controller sends enabling signal to freezing unit controller；
C () freezing unit controller starts to examine whether the heart beating of team control controller exists after receiving the enabling signal of team control controller, when heart beating is normal, freezing unit controller starts the freezing unit of its correspondence and brings into operation；
D (), when freezing unit controller successfully starts up freezing unit, freezing unit controller is issued to the successful feedback that team control controller state runs；
E () fails startup freezing unit or time freezing unit breaks down in running when freezing unit controller, freezing unit controller will report fault-signal to team control controller；Team control controller will open the freezing unit controller of another freezing unit；
(2) team control controller is arranged on the numeric data of the temperature sensor on chilled water main line and effusion meter by collection, and computing draws system end load；
End carry calculation formula is: end load=1.163* (cold water main pipe road return water temperature-cold water main pipe road supply water temperature) * chilled-water flow；Team control controller need to gather one group of data at interval of certain time, the meansigma methods of Value Data of peeking after continuous acquisition a period of time；
Such as when system just starts, cold water main pipe road supply water temperature is 12 degree, and return water temperature is 18 degree, flow be 600 cubic metres per hour, then the carry calculation value of end is 4186.8KW；Team control controller need to gather one group of data at interval of 1 minute, continuous acquisition was averaged after 5 minutes: if system now end carry calculation value is 4186.8KW, before 1 minute, end load is 4200KW, before 2 minutes, end load is 4100KW, before 3 minutes, end load is 4150KW, before 4 minutes, end load is 4300KW, and the end load of system the most now should be (4186.8+4200+4100+4150+4300)/5 i.e. 4187.36KW；
(3) the off-load setting value of the loading setting value of operation cold nominal capacity initially set to the end load drawn according to consecutive mean and user, operation cold nominal capacity is compared by team control controller, by team control controller, each freezing unit controller is sent order and adds Control of decreasing load；
(4) team control controller will carry out fault replacement according to each freezing unit ruuning situation detected to operating freezing unit when system is properly functioning；
When certain freezing unit breaks down, system will be according to fault poll, and team control controller is abandoned fault freezing unit and additionally started a standby freezing unit；Only when the startup success of the new freezing unit opened, and after state is confirmed, just permission closing fault freezing unit；
(5) short for the long operational time according to each freezing unit being polled is run by team control controller when system is properly functioning；
When freezing unit the longest between when running reaches setting value after running time length ratio with freezing unit out of service, team control controller will open time the most out of service the longest freezing unit, after the freezing unit that the time out of service is the longest is successfully opened operation, team control controller will cut out the time of operation the longest freezing unit, thus ensures that each freezing unit all keeps the rational time to run.
The concrete mode that this utility model team control controller adds Control of decreasing load to each freezing unit controller is:
When the end load loading cold value more than the nominal capacity of freezing unit recording chilled water, and when the persistent period exceedes the setting time, if the end load passing through to calculate is 4187.36KW, 1 cold is run, and the nominal capacity of every cold operation is 4044KW, and loading setting value is 80%, then according to computing formula 4044*80% < 4187.36, when this state continues 5 minutes, then meeting loading environment, system will load a freezing unit being in resting state；Now, team control controller sends freezing unit enabling signal to this standby freezing unit controller, and its freezing unit controlled opened by freezing unit controller after receiving this enabling signal；The status signal of this freezing unit is fed back to team control controller after successfully starting up its freezing unit controlled by freezing unit controller；
After loading successfully, the refrigerating capacity of system will increase, but when the refrigerating capacity of all freezing units having turned on is still less than end load, and end load reaches loading refrigeration value now, and when the persistent period exceedes the setting time, the freezing unit controller standby to the next one is sent freezing unit enabling signal by team control controller, carries out the most successively until the refrigerating capacity of freezing unit keeps balance with end load.
When the end load off-load cold value less than the nominal capacity of freezing unit recording chilled water, and when the persistent period exceedes the setting time, if the end load passing through to calculate is 3000KW, 2 cold are run, the nominal capacity of every cold operation is 4044KW, off-load setting value is 30%, then according to computing formula 4044*2*30% < 3000, when this state continues 5 minutes, then meet off-load condition, system is by one freezing unit being in running status of off-load, now, a team control controller operation freezing unit controller wherein sends freezing unit and stops signal, freezing unit controller stops its freezing unit controlled after receiving signal；The status signal of this freezing unit is fed back to team control controller after successfully stopping its freezing unit controlled by freezing unit controller；
After off-load success, the refrigerating capacity of system will reduce, but work as the refrigerating capacity of the freezing unit of all unlatchings still greater than end load, and now end load reaches off-load refrigeration value now, and when the persistent period exceedes the setting time, the freezing unit controller run to the next one is sent freezing unit and stops signal by team control controller, carries out successively until off-load reaches the minima of procedure stipulation to the freezing unit number run.
The operation conditions of this utility model team control controller is monitored by freezing unit controller, as shown in Figure 3, team control controller needs to send the analog quantity heartbeat signal being similar to sine wave to freezing unit controller in running, freezing cell controller is supplied to judge that team control controller is the most properly functioning, the form of the real-time heart beat signal that freezing unit controller is received by detection, judges that the operation of team control controller is the most normal.When the heartbeat signal numerical value of real-time reception is different from the numerical value of a upper reception, team control controller operational excellence this moment then thought by freezing unit controller, and it will perform the control command that team control controller sends this moment.When the heartbeat signal numerical value of real-time reception is identical with the numerical value of a upper reception, team control controller operation troubles this moment then thought by freezing unit controller, it will not perform the control command that team control controller sends this moment, and continues executing with the control command that moment team control controller sends.Hereafter, freezing unit controller monitors, by continuing, the heartbeat signal that team control controller sends, until heartbeat signal recovers normal, unit controls just to start to perform the control command that newly received team control controller sends.When the enforcement of heartbeat signal is mainly used in avoiding team control controller failure, freezing unit controller has received the bad command of team control controller, thus affects the properly functioning of whole system.
The transmission mode of heartbeat signal is: team control controller is by the heart beating sending module being provided at its inner portion, the voltage of transmission 5～10V is as heartbeat signal, the signal of 5V is used time initial, then 0.1V is increased every 1 second voltage, it is stepped up 10V, the most reversely reduced 0.1V every 1 second, gradually reduce 5V, finally repeat corresponding process；Freezing unit controller accepts, by the heart beating receiver module being provided at its inner portion, the heartbeat signal that team control controller sends simultaneously, when detecting that the heartbeat signal received changes 0.1V according to the voltage signal of 5～10V each second, it is believed that team control controller normally works；When detecting that the heartbeat signal received is not within the voltage signal range of 5～10V or when not being changed according to the signal rule of 0.1V per second, it is believed that team control controller failure, now fault message is sent to front end monitor supervision platform and reports to the police by switch, and notice operation maintenance personnel carries out associated maintenance.
This utility model is provided with a team control controller for being managed each freezing unit controller.The Main Function of team control controller mainly includes following three points: a) data collected according to team control temperature sensor, team control flow transducer carry out calculating and determine to start several freezing unit；B) in running when the equipment fault that freezing unit controller controls, the replacement of fault is responsible for by team control controller；C), in running, control each freezing unit by team control controller, thus realize the poll in refrigeration station running.
As shown in Figure 4, the signal that team control controller sends to freezing unit controller mainly has: the start stop signal of team control controller management freezing unit, team control controller are sent to the heart beating of freezing unit controller；The signal accepted mainly has: the fault-signal that state run signal that freezing unit controller feeds back to team control controller, freezing unit controller feed back to team control controller.
Above-mentioned embodiment is not to restriction of the present utility model; this utility model is also not limited to the example above; change that those skilled in the art are made in the range of the technical solution of the utility model, retrofit, add or replace, also belong to protection domain of the present utility model.
Claims (4)
1. refrigeration station of a data center team control control system, including switch, it is characterised in that: it also includes team control controller, freezing unit controller and freezing unit；Described freezing unit controller and freezing unit are multiple, and freezing unit controller matches with the quantity of freezing unit, and each freezing unit controller is connected with a freezing unit respectively；Described freezing unit controller is connected with team control controller, switch respectively；Described team control controller is connected with switch；Described team control controller is all connected with ups power with freezing unit controller；
Described team control controller, by the heart beating sending module being provided at its inner portion, sends heartbeat signal to the heart beating receiver module of freezing unit controller；Described team control controller is connected with the team control temperature sensor being arranged on chilled water main line and team control flow transducer respectively；
Described freezing unit is made up of cold, Leng Ta, water pump, auxiliary equipment；Described cold, Leng Ta, water pump, auxiliary equipment are arranged in chilled water branch pipeline；Described auxiliary equipment is made up of switch valve, regulation valve, unit temperature sensor, unit of flow sensor；Described switch valve, regulation valve, unit temperature sensor, unit of flow sensor are both connected on freezing unit controller.
Refrigeration station of data center the most according to claim 1 team control control system, it is characterised in that: described ups power is divided into the primary ups power of different low-pressure system and standby ups power.
Refrigeration station of data center the most according to claim 1 team control control system, it is characterised in that: described freezing unit controller is connected with team control controller by hardwire.
Refrigeration station of data center the most according to claim 1 team control control system, it is characterised in that: described team control temperature sensor, team control flow transducer are multiple.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620219988.5U CN205430870U (en) | 2016-03-22 | 2016-03-22 | Data center refrigerating station team control control system |
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| CN201620219988.5U CN205430870U (en) | 2016-03-22 | 2016-03-22 | Data center refrigerating station team control control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092227A (en) * | 2017-06-27 | 2017-08-25 | 南京长江都市建筑设计股份有限公司 | A kind of district cooling station operation management system based on WEB technologies |
| CN111089372A (en) * | 2019-12-13 | 2020-05-01 | 南京卓恒科技有限公司 | Data center cold source station control system and control method thereof |
| CN112305906A (en) * | 2020-12-31 | 2021-02-02 | 南京壹格软件技术有限公司 | Data center modular air conditioner group control energy-saving system and method |
-
2016
- 2016-03-22 CN CN201620219988.5U patent/CN205430870U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092227A (en) * | 2017-06-27 | 2017-08-25 | 南京长江都市建筑设计股份有限公司 | A kind of district cooling station operation management system based on WEB technologies |
| CN111089372A (en) * | 2019-12-13 | 2020-05-01 | 南京卓恒科技有限公司 | Data center cold source station control system and control method thereof |
| CN112305906A (en) * | 2020-12-31 | 2021-02-02 | 南京壹格软件技术有限公司 | Data center modular air conditioner group control energy-saving system and method |
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Address after: 300457, room 1, building 19, No. 1201 West Ring Road, Tianjin Development Zone, Tianjin Patentee after: Violet Huashan science and Technology Service Co., Ltd. Address before: 1201 room 1, building 19, No. 300457 West Ring Road, Tianjin Development Zone, Binhai New Area, Tianjin Patentee before: TIANJIN HP DATA CENTER DESIGN ENGINEERING CO., LTD. |