Method, and device for controlling the output of the air volume and memory medium

• US 10,274,970 B2
• Filed: 11/19/2014
• Issued: 04/30/2019
• Est. Priority Date: 11/21/2013
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Guo, Yulong, Zhu, Minbo, Jiang, Chengfu, Hu, Xiongxiong, Liu, Fan
• Primary Examiner(s): Nguyen, Tan T.
• Application Number:
  US15/037,786
• Publication Number:
  US 20160291605A1
• Time in Patent Office: 1,623 Days
• Field of Search: 700282, 700276, 700277, 700278
• CPC Class Codes: F24F 11/30 for purposes related to the operation of the system, e.g. for safety or monitoring
• CPC Class Codes: F24F 11/63 Electronic processing
• CPC Class Codes: F24F 11/74 for controlling air flow rate or air velocity
• CPC Class Codes: F24F 11/76 by means responsive to temperature, e.g. bimetal springs
• CPC Class Codes: F24F 11/83 by controlling the supply of heat-exchange fluids to heat-exchangers
• CPC Class Codes: F24F 11/84 using valves
• CPC Class Codes: F24F 2110/10 Temperature
• CPC Class Codes: G05B 11/42 for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
• CPC Class Codes: G05D 23/1919 characterised by the type of controller
• CPC Class Codes: G05D 7/0635 by action on throttling means G05D7/0688, G05D7/0694 take precedence
• CPC Class Codes: G11B 33/142 by air cooling

Abstract

Disclosed are a method, device for controlling the output of the air volume and a memory medium. The method includes: determining the temperature difference value according to the current temperature value and the preset temperature value of a cabinet; controlling the opening of an air valve of a variable air volume terminal according to the temperature difference value, so as to adjust the air volume needed by the cabinet. The temperature value needed to be adjusted is determined according to the difference value between the current temperature value and the preset temperature value. The opening of the air valve of the variable air volume terminal is correspondingly adjusted according to the temperature value needed to be adjusted, so as to adjust the air volume needed by the cabinet, and adjust the air volume according to the actual demand.

Claims

1. A method for controlling an output air volume used in a communication machine room with a plurality of cabinets, the method comprising:

determining a temperature difference according to a current temperature value of an air outlet of each cabinet in the communication machine room and a preset temperature value of the cabinet; and

controlling an opening degree of an air valve of a variable air volume terminal device of the cabinet according to the temperature difference, to regulate a magnitude of an air volume required by the cabinet;

wherein the method further comprising;

after controlling the opening degree of the air valve of the variable air volume terminal device of the cabinet according to the temperature difference,

detecting whether the temperature difference is within a preset threshold range according to a preset detection period, wherein the preset threshold range is a range by which the current temperature value is allowed to change;

adjusting the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is out of the preset threshold range;

or

maintaining a current opening degree of the air valve of the variable air volume terminal device of the cabinet unchanged for the current detection period if the temperature difference is within the range of the preset threshold range.

2. The method according to claim 1, wherein controlling the opening degree of the air valve of the variable air volume terminal device of the cabinet according to the temperature difference comprises:

controlling the opening degree of the air valve of the variable air volume terminal device of the cabinet by a variable universe adaptive fuzzy Proportion Integration Differentiation (PID) control method according to the temperature difference.

3. The method according to claim 2, further comprising:

before determining the temperature difference according to the current temperature value of the cabinet and the preset temperature value of the cabinet,

acquiring a current temperature of the cabinet by a temperature sensor according to a preset detection period;

or

acquiring the current temperature of the cabinet in real time by the temperature sensor.

4. The method according to claim 3, further comprising:

after controlling the opening degree of the air valve of the variable air volume terminal device of the cabinet according to the temperature difference,

acquiring opening degrees of the air valves of the variable air volume terminal devices of all cabinets being detected in a machine room; and

regulating a magnitude of a total air volume required by the machine room according to the opening degrees of the respective air valves of the variable air volume terminal devices.

5. The method according to claim 4, further comprising:

after regulating the magnitude of the total air volume required by the machine room according to the opening degrees of the respective air valves of the variable air volume terminal devices,

acquiring a maximum P_max of valve positions corresponding to the opening degrees of air valves of the respective variable air volume terminal devices;

increasing a rotating speed of a fan by a preset step length, if P_max>

a first threshold value and the rotating speed of the fan is lower than a maximum rotating speed;

reducing the rotating speed of the fan by to the preset step length, if P_max<

a second threshold value; and

maintaining a value of a current air volume, if the second threshold value≤

P_max≤

the first threshold value.

6. The method according to claim 1, further comprising:

before determining the temperature difference according to the current temperature value of the cabinet and the preset temperature value of the cabinet,

acquiring a current temperature of the cabinet by a temperature sensor according to a preset detection period;

or

acquiring the current temperature of the cabinet in real time by the temperature sensor.

7. The method according to claim 6, further comprising:

after controlling the opening degree of the air valve of the variable air volume terminal device of the cabinet according to the temperature difference,

acquiring opening degrees of the air valves of the variable air volume terminal devices of all cabinets being detected in a machine room; and

regulating a magnitude of a total air volume required by the machine room according to the opening degrees of the respective air valves of the variable air volume terminal devices.

8. The method according to claim 7, further comprising:

after regulating the magnitude of the total air volume required by the machine room according to the opening degrees of the respective air valves of the variable air volume terminal devices,

acquiring a maximum P_max of valve positions corresponding to the opening degrees of air valves of the respective variable air volume terminal devices;

increasing a rotating speed of a fan by a preset step length, if P_max>

a first threshold value and the rotating speed of the fan is lower than a maximum rotating speed;

reducing the rotating speed of the fan by to the preset step length, if P_max<

a second threshold value; and

maintaining a value of a current air volume, if the second threshold value≤

P_max≤

the first threshold value.

9. The method according to claim 1, further comprising:

after controlling the opening degree of the air valve of the variable air volume terminal device of the cabinet according to the temperature difference,

acquiring opening degrees of the air valves of the variable air volume terminal devices of all cabinets being detected in a machine room; and

regulating a magnitude of a total air volume required by the machine room according to the opening degrees of the respective air valves of the variable air volume terminal devices.

10. The method according to claim 9, further comprising:

after regulating the magnitude of the total air volume required by the machine room according to the opening degrees of the respective air valves of the variable air volume terminal devices,

acquiring a maximum P_max of valve positions corresponding to the opening degrees of air valves of the respective variable air volume terminal devices;

increasing a rotating speed of a fan by a preset step length, if P_max>

a first threshold value and the rotating speed of the fan is lower than a maximum rotating speed;

reducing the rotating speed of the fan by to the preset step length, if P_max<

a second threshold value; and

maintaining a value of a current air volume, if the second threshold value≤

P_max≤

the first threshold value.

11. The method according to claim 1, wherein adjusting the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is out of the preset threshold range comprises:

increasing the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is larger than an upper limit value of the range of the preset threshold range;

or

decreasing the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is smaller than a lower limit value of the preset threshold range.

12. A device for controlling output air volume used in a communication machine room with a plurality of cabinets, the device comprising:

a determination module configured to determine a temperature difference according to a current temperature value of an air outlet of each cabinet in the communication machine room and a preset temperature value of the cabinet; and

a control module coupled to the determination module and configured to control an opening degree of an air valve of a variable air volume terminal device of the cabinet according to the temperature difference to regulate a magnitude of an air volume required by the cabinet;

wherein the device further comprises;

a detection module configured to detect whether the temperature difference is within a preset threshold range according to a preset detection period, wherein the preset threshold range is a range by which the current temperature value is allowed to change; and

a regulation module coupled to the detection module and configured to adjust the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is out of the preset threshold range, or to maintain a current opening degree of the air valve of the variable air volume terminal device of the cabinet unchanged for the current detection period if the temperature difference is within the range of the preset threshold range.

13. The device according to claim 12, wherein the control module comprises:

a control unit configured to control the opening degree of the air valve of the variable air volume terminal device of the cabinet by a variable universe adaptive fuzzy Proportion Integration Differentiation (PID) control method according to the temperature difference.

14. The device according to claim 13 further comprising:

a wireless data transmission module configured to acquire a current temperature of the cabinet by a temperature sensor according to a preset detection period;

or to acquire the current temperature of the cabinet in real time by the temperature sensor.

15. The device according to claim 12 further comprising:

a wireless data transmission module configured to acquire a current temperature of the cabinet by a temperature sensor according to a preset detection period;

or to acquire the current temperature of the cabinet in real time by the temperature sensor.

16. The device according to claim 12, wherein the regulation module is further configured to increase the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is larger than an upper limit value of the preset threshold range, or to decrease the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate the magnitude of the value of the input air volume if the temperature difference is smaller than a lower limit value of the preset threshold range.

17. A non-transitory storage medium storing therein a computer program configured to execute the method for controlling the output air volume used in a communication machine room with a plurality of cabinets, the method comprising:

determining a temperature difference according to a current temperature value of an air outlet of each cabinet in the communication machine room and a preset temperature value of the cabinet; and

controlling an opening degree of an air valve of a variable air volume terminal device of the cabinet according to the temperature difference, to regulate a magnitude of an air volume required by the cabinet;

wherein the method further comprises;

after controlling the opening degree of the air valve of the variable air volume terminal device of the cabinet according to the temperature difference,

detecting whether the temperature difference is within a preset threshold range according to a preset detection period, wherein the preset threshold range is a range by which the current temperature value is allowed to change;

adjusting the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is out of the range of the preset threshold range;

or

maintaining a current opening degree of the air valve of the variable air volume terminal device of the cabinet unchanged for the current detection period if the temperature difference is within the range of the preset threshold range.

18. The method according to claim 17, wherein adjusting the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is out of the preset threshold range comprises:

increasing the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is larger than an upper limit value of the range of the preset threshold range;

or

decreasing the opening degree of the air valve of the variable air volume terminal device of the cabinet to regulate a magnitude of a value of an input air volume if the temperature difference is smaller than a lower limit value of the preset threshold range.