CN111988961A - Cabinet temperature control method and control system - Google Patents
Cabinet temperature control method and control system Download PDFInfo
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- 238000001816 cooling Methods 0.000 description 18
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- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
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Abstract
The invention discloses a cabinet temperature control method and a control system, wherein the method comprises the following steps: the monitoring system judges whether the temperature control system is normal or not; if the temperature control system is normal, the monitoring system judges whether the power supply system is normal; if the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system; the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment; the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system; and the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value. The cabinet temperature control system can track the real-time power change of the load equipment, and timely adjust the temperature control cold capacity, thereby avoiding local hot spots.
Description
Technical Field
The invention belongs to the technical field of heat dissipation of cabinets, and particularly relates to a cabinet temperature control method and a cabinet temperature control system.
Background
As equipment needing heat dissipation throughout the year, the internal temperature of the cabinet can change along with the rise and fall of internal load equipment.
Temperature control systems in the existing integrated intelligent cabinet are detected and fed back by temperature sensors, and are controlled according to real-time temperature, and the temperature sensors are arranged in the temperature control systems and cannot directly feed back the air inlet temperature and the air outlet temperature of load equipment; the temperature control system inside the existing integrated intelligent cabinet generally adjusts the refrigerating output of the temperature control system according to the internal temperature change of the integrated intelligent cabinet, the temperature value cannot suddenly change, and has serious hysteresis effect, and when the power fluctuation of load equipment is large, the temperature control system cannot timely react to cause local hot spots inside the cabinet.
Disclosure of Invention
The invention provides a cabinet temperature control method and a control system, which aim to solve the problems that the temperature control system in the existing integrated intelligent cabinet adjusts the refrigerating output of the temperature control system according to the internal temperature change, the temperature value cannot suddenly change, serious hysteresis effect exists, and when the power fluctuation of load equipment is large, the temperature control system cannot timely react to cause local hot spots in the cabinet.
A cabinet temperature control method comprises the following steps:
the monitoring system judges whether the temperature control system is normal or not;
if the temperature control system is normal, the monitoring system judges whether the power supply system is normal;
if the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system;
the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment;
the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system;
and the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
A temperature control system of a machine cabinet comprises a temperature control system, a monitoring system, a power supply system and load equipment;
the monitoring system is used for judging whether the temperature control system is normal or not; if the temperature control system is normal, judging whether the power supply system is normal; if the power supply system is normal, acquiring the power of load equipment and the rated refrigerating capacity of the temperature control system; calculating the refrigerating capacity required by the temperature control system according to the power of the load equipment; calculating to obtain a refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system;
the temperature control system is used for receiving the refrigeration output capacity value fed back by the monitoring system and controlling the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
According to the cabinet temperature control method and the cabinet temperature control system, the cabinet temperature control method comprises the steps that the monitoring system judges whether the temperature control system is normal or not; if the temperature control system is normal, the monitoring system judges whether the power supply system is normal; if the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system; the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment; the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system; and finally, the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value. The cabinet temperature control system can track the real-time power change of the load equipment, and timely adjust the temperature control cold capacity, thereby avoiding local hot spots.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a flow chart of a method for controlling the temperature of a cabinet according to an embodiment of the present invention;
FIG. 2 is another flow chart of a method for controlling the temperature of a cabinet according to an embodiment of the present invention;
FIG. 3 is a graph illustrating the operation of the cooling output capability of the temperature control system of the cabinet temperature control method according to an embodiment of the present invention;
FIG. 4 is a functional block diagram of a cabinet temperature control system in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of a computer device according to an embodiment of the invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one embodiment, as shown in fig. 1, a method for controlling a temperature of a cabinet is provided, which includes the following steps:
s10: the monitoring system judges whether the temperature control system is normal.
S20: and if the temperature control system is normal, the monitoring system judges whether the power supply system is normal.
Understandably, the monitoring system is started, and the monitoring system judges whether the communication of the temperature control system is normal or not; if the temperature control system is normal, the monitoring system judges whether the power supply system is normal; if the communication of the temperature control system is abnormal, the temperature control system detects the current return air temperature, wherein the current return air temperature is a real-time temperature value of the temperature control system at the current moment, if the current return air temperature exceeds a preset temperature, the temperature control system calculates a refrigeration output capacity value according to the current return air temperature and the preset temperature by using a PID algorithm, wherein the preset temperature refers to a preset temperature, for example, the preset temperature is 36 degrees, the current return air temperature is 37 degrees, if the current return air temperature is 37 degrees and exceeds the preset temperature of 36 degrees, the temperature control system calculates the refrigeration output capacity value according to the PID algorithm, and the temperature control system controls the output of the refrigeration equipment according to the refrigeration output capacity value.
Understandably, if the communication of the temperature control system is normal, the monitoring system judges whether the communication of the power supply system is normal; if the communication of the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system; if the communication of the power supply system is abnormal, the monitoring system judges whether the load equipment is normal, and if the load equipment is normal, the monitoring system obtains the refrigerating capacity required by the temperature control system by adopting the following refrigerating capacity formula; qt＝Q1＝kQ2(ii) a Wherein Q istRefrigerating capacity, Q, required for temperature control systems1For the power of the power supply system, k is a preset increasing coefficient, Q2Is the power of the load device; the monitoring system adopts the following air return temperature influence degree value formula to obtain an air return temperature influence degree value; m ═ T (T)2-T1) a/T; wherein m is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system, T1Is the first return air temperature, T2The second return air temperature is T, and the preset reference temperature is T; obtaining a refrigerating output capacity value of the temperature control system by adopting a refrigerating output capacity value formula; n ═ 1+ m) Qt/Qn(ii) a Wherein n is the refrigeration output capacity value of the temperature control system, 1 is the coefficient value of the temperature control system for full load operation, and QnThe rated refrigerating capacity of the temperature control system.
And if the communication of the power supply system is abnormal, the temperature control system calculates the refrigerating output capacity value according to the front return air temperature and the preset temperature by utilizing a PID algorithm.
S30: and if the power supply system is normal, the monitoring system acquires the power of the load equipment and the rated refrigerating capacity of the temperature control system.
Understandably, the monitoring system can collect the following data: the rated refrigeration output capacity of the temperature control system, the rated refrigeration capacity of the temperature control system, the refrigeration output percentage of the temperature control system, the total capacity of the power supply system, the power of the power supply system, the voltage of the power supply system, the current of the power supply system, the working voltage of the load equipment, the working current of the load equipment and the like. The power of the load device may be derived from the operating voltage of the load device and the operating current of the load device.
S40: and the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment.
In an embodiment, in step S40, that is, the monitoring system calculates the cooling capacity required by the temperature control system according to the power of the load device, the method specifically includes the following steps:
s41: the monitoring system collects power of the power supply system.
S42: the monitoring system presets an increase coefficient according to the power setting of extra power consumption equipment of the cabinet except for the load equipment.
S43: the monitoring system obtains the refrigerating capacity required by the temperature control system by adopting the following refrigerating capacity formula;
Qt＝Q1＝kQ2；
wherein Q istRefrigerating capacity, Q, required for temperature control systems1For the power of the power supply system, k is a preset increasing coefficient, Q2Is the power of the load device.
Understandably, the main sources of heat for the cabinet are: the equipment load, the cabinet environment heat radiation and the external load of the cabinet environment are loaded, the cabinet adopts a totally enclosed structural design, the side plates and the cabinet door of the cabinet use heat insulation treatment, and the cabinet environment heat radiation and the external load of the cabinet environment are not considered during calculation, so that the refrigerating capacity required by a temperature control system in the cabinet is the equipment load. However, the cabinet not only has only load devices, but also includes extra power consumption devices, and the extra power consumption devices can be auxiliary devices such as monitoring devices and lighting devices, so that the preset increase coefficient is 1.05-1.1.
In the embodiment, the refrigerating capacity required by the temperature control system is calculated according to the power of the load equipment and the preset increasing coefficient, the scheme considers extra power consumption equipment such as monitoring equipment and lighting equipment, the preset increasing coefficient is obtained according to the extra power consumption equipment, the real-time change of the power of the load equipment can be tracked in real time, the refrigerating capacity required by the temperature control system is calculated, and the accuracy of calculating the refrigerating capacity required by the temperature control system is improved.
S50: and the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system.
In an embodiment, in step S50, that is, the monitoring system calculates the cooling output capability value of the temperature control system according to the cooling capacity required by the temperature control system and the rated cooling capacity of the temperature control system, the method specifically includes the following steps:
s51: the monitoring system obtains the refrigeration output capacity value by adopting the following refrigeration output capacity value formula;
n＝Qt/Qn；
wherein n is the refrigerating output capacity value of the temperature control system, QnThe rated refrigerating capacity of the temperature control system.
Understandably, n is the refrigeration output capacity value of the temperature control system, the maximum is 1, and when n is 1, the refrigeration output capacity of the temperature control system is the maximum, namely, the temperature control system runs at full load; considering that the minimum operation speed n of the refrigeration equipment of the temperature control system is 0.2, when the calculated result n is less than 0.2, the rated refrigeration output is still 0.2 times.
In this embodiment, a refrigeration output capacity value formula is adopted to calculate the refrigeration output capacity value of the temperature control system according to the refrigeration capacity required by the temperature control system and the rated refrigeration capacity of the temperature control system, so that the calculated refrigeration output capacity value of the temperature control system is more accurate, and the refrigeration output of the refrigeration equipment is controlled according to the refrigeration output capacity value subsequently.
S60: and the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
Understandably, in the cabinet temperature control method of the invention, the cabinet temperature control method can be started only when the monitoring system detects that the communication of the temperature control system is normal and the communication of the power supply system is normal; the cabinet temperature control method can be started under the conditions that the communication of the temperature control system is normal, the communication of the power supply system is abnormal, but the communication of the load equipment is normal; if the monitoring system detects that the communication between the temperature control system and the monitoring system is abnormal, the temperature control system cannot receive the command sent by the monitoring system and cannot transmit the data of the temperature control system to the monitoring system. Therefore, when the monitoring system detects that the temperature control system and the monitoring system are abnormal, the temperature control system calculates a refrigeration output capacity value according to the front return air temperature and the preset temperature by using a PID algorithm, and then the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
Understandably, in the cabinet temperature control method of the present invention, when n is 0.2, the cooling output capability value fed back to the temperature control system by the monitoring system is 0.2, so that the temperature control system controls the cooling output of the cooling device according to the cooling output capability value 0.2; the refrigerating output capacity value is 0.2, namely 20% of the refrigerating equipment in the full-load operation state.
In the embodiment corresponding to fig. 1, the cabinet temperature control method includes the steps that the monitoring system determines whether the temperature control system is normal; if the temperature control system is normal, the monitoring system judges whether the power supply system is normal; if the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system; the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment; the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system; and the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value. The cabinet temperature control system can track the real-time power change of the load equipment, and timely adjust the temperature control cold capacity, thereby avoiding local hot spots.
In an embodiment, as shown in fig. 2, before step S50, that is, before the monitoring system calculates the cooling output capability value of the temperature control system according to the cooling capacity required by the temperature control system and the rated cooling capacity of the temperature control system, the method specifically includes the following steps:
s70: the monitoring system acquires a first return air temperature and a second return air temperature of the temperature control system, wherein the first return air temperature is a real-time temperature value at a certain moment, and the second return air temperature is a real-time temperature value after a preset time period passes at the moment.
S80: and the monitoring system calculates to obtain a return air temperature influence degree value according to the first return air temperature and the second return air temperature, wherein the return air temperature influence degree value is the influence degree value of the change of the return air temperature on the refrigerating capacity of the temperature control system.
In an embodiment, in the step S80, that is, the step of calculating the influence degree value of the return air temperature according to the first return air temperature and the second return air temperature includes the following steps:
s81: the monitoring system adopts the following air return temperature influence degree value formula to obtain an air return temperature influence degree value;
m＝(T2-T1)/T；
wherein m is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system, T1Is the first return air temperature, T2And T is the second return air temperature and is the preset reference temperature.
Understandably, T1The real-time temperature value of the temperature control system at a certain time, for example, 12: real time temperature of 00 is 26 °; t is2The real-time temperature value is the real-time temperature value after the preset time period at the moment, for example, the preset time period is 30 minutes, and the real-time temperature value after 30 minutes at 12:00 is 29 degrees; t is a preset reference temperature which is a preset referenceThe preset reference temperature may be 35-40 degrees with respect to the temperature value.
Understandably, when T2Greater than T1When it is, then T is indicated2-T1A positive number indicates an increase in temperature, and therefore the refrigeration output capacity of the temperature control system can be increased appropriately, whereas the refrigeration output capacity is decreased; when T is2Greater than T1When, T2-T1The larger the difference is, the larger the refrigeration output capacity of the temperature control system is increased, whereas the smaller the difference is, the smaller the refrigeration output capacity of the temperature control system is increased.
In this embodiment, a return air temperature influence degree value formula is adopted, and the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system is calculated according to the first return air temperature, the second return air temperature and the preset reference temperature, so that the calculated influence degree value is more accurate, and the refrigerating output capacity value of the temperature control system is calculated according to the influence degree value subsequently.
In step S60, the monitoring system calculates a refrigeration output capability value of the temperature control system according to the refrigeration capacity required by the temperature control system and the rated refrigeration capacity of the temperature control system, and the method specifically includes the following steps:
s90: and the monitoring system calculates the refrigeration output capacity value according to the refrigeration quantity required by the temperature control system, the return air temperature influence degree value and the rated refrigeration quantity.
In an embodiment, in step S90, that is, the monitoring system calculates the cooling output capability value according to the cooling capacity, the return air temperature influence degree value, and the rated cooling capacity required by the temperature control system, specifically includes the following steps:
the monitoring system adopts a refrigeration output capacity value formula to obtain the refrigeration output capacity value of the temperature control system;
n＝(1+m)Qt/Qn；
wherein n is the refrigeration output capacity value of the temperature control system, 1 is the coefficient value of the temperature control system for full load operation, and QnThe rated refrigerating capacity of the temperature control system.
As can be understood, referring to fig. 3, m is the degree of influence of the return air temperature change on the cooling capacity of the temperature control system, and the formula n ═ 1+ m) Q of the cooling output capacity value is adoptedt/QnConsidering the influence degree of the return air temperature change on the refrigerating capacity of the temperature control system, taking the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system as a reference factor of the refrigerating output capacity value of the temperature control system, and QtThe calculation mode of (a) is detailed in steps S41-S43, which are not described in a repeated manner, and the calculation mode of (m) is detailed in step S81, which is not described in a repeated manner; and finally, the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
In this embodiment, the monitoring system adopts a refrigeration output capacity value formula, and the monitoring system calculates the refrigeration output capacity value of the temperature control system according to the refrigeration capacity required by the temperature control system, the rated refrigeration capacity and the influence degree value of the temperature control system.
In the embodiment corresponding to fig. 2, the monitoring system calculates the return air temperature influence degree value according to the first return air temperature and the second return air temperature, in this scheme, the influence degree value of the return air temperature change on the refrigeration capacity of the temperature control system is considered, the return air temperature is used as an auxiliary judgment condition, the refrigeration capacity of the temperature control system is adjusted within a small range, and the refrigeration output capacity value is calculated according to the refrigerating capacity required by the temperature control system, the return air temperature influence degree value and the rated refrigerating capacity, so as to improve the accuracy of the refrigeration output capacity value of the temperature control system.
In an embodiment, the cabinet is deployed with the cabinet temperature control method, and the cabinet temperature control method is applied to a cabinet temperature control system, where the cabinet temperature control system includes a temperature control system, a monitoring system, a power supply system, and a load device;
the monitoring system is used for judging whether the temperature control system is normal or not; if the temperature control system is normal, judging whether the power supply system is normal; if the power supply system is normal, acquiring the power of load equipment and the rated refrigerating capacity of the temperature control system; calculating the refrigerating capacity required by the temperature control system according to the power of the load equipment; calculating to obtain a refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system;
the temperature control system is used for receiving the refrigeration output capacity value fed back by the monitoring system and controlling the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
Understandably, the cabinet temperature control system also comprises a power supply system, a standby power system and a bearing device; the power supply system can be divided into a UPS and a switch power supply according to input and output, is used for filtering and rectifying the input power supply, outputting a high-quality power supply without high-frequency harmonic waves, and simultaneously provides a charging and discharging interface for a standby power system.
The power supply system is a lead-acid battery, a lithium iron battery and the like, and can provide a backup power supply for equipment in the cabinet when the commercial power is cut off, so that the important equipment can be continuously operated within a period of time until the electric quantity is exhausted or the commercial power is recovered.
The bearing device can be a cabinet body, a tray, a guide rail and other structural members, is used for providing an installation environment for each system and equipment, forms a relatively closed space, and reduces the influence on the external environment.
The temperature control system can be a rack type air conditioner or a side-air-out inter-row air conditioner, and is used for cooling the environment in the cabinet, ensuring that each device is at a proper temperature during operation, and avoiding reduction of the working efficiency of the device and even downtime caused by overheating of the temperature.
The monitoring system can monitor and manage all systems and equipment, collect and analyze data in real time, upload the data to an upper end management platform, and integrate a temperature control system, a power supply system and load equipment through the monitoring system to form a system-level closed-loop temperature control logic.
In an embodiment, the monitoring system is further configured to acquire a first return air temperature and a second return air temperature of the temperature control system, where the first return air temperature is a real-time temperature value at a certain time, and the second return air temperature is a real-time temperature value after a preset time period elapses at the certain time;
the monitoring system is also used for calculating to obtain a return air temperature influence degree value according to the first return air temperature and the second return air temperature, wherein the return air temperature influence degree value is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system; and calculating to obtain the refrigeration output capacity value according to the refrigerating output required by the temperature control system, the return air temperature influence degree value and the rated refrigerating output.
In one embodiment, the monitoring system is further configured to collect power of a power supply system; setting a preset increasing coefficient according to the power of extra power consumption equipment of the cabinet except for load equipment;
obtaining the refrigerating capacity required by the temperature control system by adopting the following refrigerating capacity formula;
Qt＝Q1＝kQ2；
wherein Q istRefrigerating capacity, Q, required for temperature control systems1For the power of the power supply system, k is a preset increasing coefficient, Q2Is the power of the load device;
obtaining the refrigerating output capacity value by adopting the following refrigerating output capacity value formula;
n＝Qt/Qn；
wherein n is the refrigerating output capacity value of the temperature control system, QnThe rated refrigerating capacity of the temperature control system.
In one embodiment, the monitoring system is further configured to obtain a return air temperature influence degree value by using a return air temperature influence degree value formula;
m＝(T2-T1)/T
wherein m is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system, T1Is the first return air temperature, T2The second return air temperature is T, and the preset reference temperature is T;
obtaining a refrigerating output capacity value of the temperature control system by adopting a refrigerating output capacity value formula;
n＝(1+m)Qt/Qn；
wherein n is the refrigeration output capacity value of the temperature control system, 1 is the coefficient value of the temperature control system for full load operation, and QnThe rated refrigerating capacity of the temperature control system.
It should be understood that, the sequence numbers of the steps in the above embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the present invention.
In an embodiment, a cabinet temperature control system is provided, and the cabinet temperature control system corresponds to the cabinet temperature control methods in the embodiments one to one. As shown in fig. 4, the cabinet temperature control system includes a first determining module 10, a second determining module 20, a collecting module 30, a first calculating module 40, a second calculating module 50, and a feedback module 60. The functional modules are explained in detail as follows:
the first judging module 10 is used for judging whether the temperature control system is normal or not by the monitoring system;
the second judging module 20 is configured to, if the temperature control system is normal, judge whether the power supply system is normal by the monitoring system;
the acquisition module 30 is configured to, if the power supply system is normal, acquire the power of the load device and the rated refrigerating capacity of the temperature control system by the monitoring system;
the first calculating module 40 is used for calculating the refrigerating capacity required by the temperature control system by the monitoring system according to the power of the load equipment;
the second calculating module 50 is used for calculating the refrigerating output capacity value of the temperature control system by the monitoring system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system;
a feedback module 60, configured to feedback the refrigeration output capability value to the temperature control system by the monitoring system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capability value.
For specific definition of the cabinet temperature control system, reference may be made to the above definition of the cabinet temperature control method, and details are not described here. The modules in the cabinet temperature control system can be implemented in whole or in part by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, as shown in fig. 5, there is provided a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
the monitoring system judges whether the temperature control system is normal or not;
if the temperature control system is normal, the monitoring system judges whether the power supply system is normal;
if the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system;
calculating the refrigerating capacity required by the temperature control system according to the power of the monitoring system load equipment;
calculating to obtain a refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system of the monitoring system and the rated refrigerating capacity of the temperature control system;
and the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
the monitoring system judges whether the temperature control system is normal or not;
if the temperature control system is normal, the monitoring system judges whether the power supply system is normal;
if the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system;
the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment;
the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system;
and the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the system is divided into different functional units or modules to perform all or part of the above-mentioned functions.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A method for controlling the temperature of a machine cabinet is characterized in that,
the monitoring system judges whether the temperature control system is normal or not;
if the temperature control system is normal, the monitoring system judges whether the power supply system is normal;
if the power supply system is normal, the monitoring system collects the power of the load equipment and the rated refrigerating capacity of the temperature control system;
the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment;
the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system;
and the monitoring system feeds back the refrigeration output capacity value to the temperature control system, so that the temperature control system controls the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
2. The cabinet temperature control method of claim 1, wherein: before the monitoring system calculates the refrigeration output capacity value of the temperature control system according to the refrigeration capacity required by the temperature control system and the rated refrigeration capacity of the temperature control system, the method further comprises the following steps:
the monitoring system acquires a first return air temperature and a second return air temperature of the temperature control system, wherein the first return air temperature is a real-time temperature value at a certain moment, and the second return air temperature is a real-time temperature value after a preset time period at the moment;
the monitoring system calculates to obtain a return air temperature influence degree value according to the first return air temperature and the second return air temperature, wherein the return air temperature influence degree value is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system;
the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system, and the method comprises the following steps:
and the monitoring system calculates the refrigeration output capacity value according to the refrigeration quantity required by the temperature control system, the return air temperature influence degree value and the rated refrigeration quantity.
3. The cabinet temperature control method of claim 1, wherein: the monitoring system calculates the refrigerating capacity required by the temperature control system according to the power of the load equipment, and the method comprises the following steps:
the monitoring system acquires the power of a power supply system;
the monitoring system sets a preset increasing coefficient according to the power of extra power consumption equipment of the cabinet except for load equipment;
the monitoring system obtains the refrigerating capacity required by the temperature control system by adopting the following refrigerating capacity formula;
Qt＝Q1＝kQ2；
wherein Q istRefrigerating capacity, Q, required for temperature control systems1For the power of the power supply system, k is a preset increasing coefficient, Q2Is the power of the load device.
4. The cabinet temperature control method of claim 1, wherein: the monitoring system calculates the refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system, and the method comprises the following steps:
the monitoring system obtains the refrigeration output capacity value by adopting the following refrigeration output capacity value formula;
n＝Qt/Qn；
wherein n is the refrigerating output capacity value of the temperature control system, QnThe rated refrigerating capacity of the temperature control system.
5. The cabinet temperature control method of claim 2, wherein: the monitored control system calculates according to first return air temperature and second return air temperature and obtains return air temperature degree of influence value, includes:
the monitoring system adopts the following air return temperature influence degree value formula to obtain an air return temperature influence degree value;
m＝(T2-T1)/T；
wherein m is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system, T1Is the first return air temperature, T2And T is the second return air temperature and is the preset reference temperature.
6. The cabinet temperature control method of claim 5, wherein: the monitoring system calculates the refrigeration output capacity value according to the refrigeration quantity required by the temperature control system, the return air temperature influence degree value and the rated refrigeration quantity, and comprises the following steps:
the monitoring system adopts a refrigeration output capacity value formula to obtain the refrigeration output capacity value of the temperature control system;
n＝(1+m)Qt/Qn；
wherein n is the refrigeration output capacity value of the temperature control system, 1 is the coefficient value of the temperature control system for full load operation, and QnThe rated refrigerating capacity of the temperature control system.
7. The utility model provides a rack temperature control system which characterized in that: the cabinet temperature control system comprises a temperature control system, a monitoring system, a power supply system and load equipment;
the monitoring system is used for judging whether the temperature control system is normal or not; if the temperature control system is normal, judging whether the power supply system is normal; if the power supply system is normal, acquiring the power of load equipment and the rated refrigerating capacity of the temperature control system; calculating the refrigerating capacity required by the temperature control system according to the power of the load equipment; calculating to obtain a refrigerating output capacity value of the temperature control system according to the refrigerating capacity required by the temperature control system and the rated refrigerating capacity of the temperature control system;
the temperature control system is used for receiving the refrigeration output capacity value fed back by the monitoring system and controlling the refrigeration output of the refrigeration equipment according to the refrigeration output capacity value.
8. The cabinet temperature control system of claim 7, wherein:
the monitoring system is also used for acquiring a first return air temperature and a second return air temperature of the temperature control system, wherein the first return air temperature is a real-time temperature value at a certain moment, and the second return air temperature is a real-time temperature value after a preset time period passes at the moment;
the monitoring system is also used for calculating to obtain a return air temperature influence degree value according to the first return air temperature and the second return air temperature, wherein the return air temperature influence degree value is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system; and calculating to obtain the refrigeration output capacity value according to the refrigerating output required by the temperature control system, the return air temperature influence degree value and the rated refrigerating output.
9. The cabinet temperature control system of claim 7, wherein:
the monitoring system is also used for acquiring the power of the power supply system; setting a preset increasing coefficient according to the power of extra power consumption equipment of the cabinet except for load equipment;
obtaining the refrigerating capacity required by the temperature control system by adopting the following refrigerating capacity formula;
Qt＝Q1＝kQ2；
wherein Q istRefrigerating capacity, Q, required for temperature control systems1For the power of the power supply system, k is a preset increasing coefficient, Q2Is the power of the load device;
obtaining the refrigerating output capacity value by adopting the following refrigerating output capacity value formula;
n＝Qt/Qn；
wherein n is the refrigerating output capacity value of the temperature control system, QnThe rated refrigerating capacity of the temperature control system.
10. The cabinet temperature control system of claim 8, wherein:
the monitoring system is also used for obtaining a return air temperature influence degree value by adopting the following return air temperature influence degree value formula;
m＝(T2-T1)/T；
wherein m is the influence degree value of the return air temperature change on the refrigerating capacity of the temperature control system, T1Is the first return air temperature, T2The second return air temperature is T, and the preset reference temperature is T;
obtaining a refrigerating output capacity value of the temperature control system by adopting a refrigerating output capacity value formula;
n＝(1+m)Qt/Qn；
wherein n is the refrigeration output capacity value of the temperature control system, 1 is the coefficient value of the temperature control system for full load operation, and QnThe rated refrigerating capacity of the temperature control system.
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| CN202010819138.XA CN111988961B (en) | 2020-08-14 | 2020-08-14 | Cabinet temperature control method and control system |
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| CN202010819138.XA CN111988961B (en) | 2020-08-14 | 2020-08-14 | Cabinet temperature control method and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113433989A (en) * | 2021-06-21 | 2021-09-24 | 深圳市科信通信技术股份有限公司 | Heat load system of communication equipment and control method thereof |
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