CN213178765U - Wind power balance adjustment system of central air conditioner - Google Patents
Wind power balance adjustment system of central air conditioner Download PDFInfo
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- CN213178765U CN213178765U CN202021578529.9U CN202021578529U CN213178765U CN 213178765 U CN213178765 U CN 213178765U CN 202021578529 U CN202021578529 U CN 202021578529U CN 213178765 U CN213178765 U CN 213178765U
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Abstract
The utility model discloses a wind power balance adjustment system of a centralized air conditioner, which comprises a wind meter, a regulating valve and a centralized controller; the air gauge is arranged at the air outlet of each branch of the wind power system of the central air conditioner and on a main air pipe connected with the fan; the regulating valve is arranged on a pipeline of each branch of the wind power system of the central air conditioner; the air gauge includes: the key module is used for inputting the design air volume of the pipeline; the processor receives an actual air speed signal of the pipeline, converts the actual air speed signal into actual air volume, calculates the ratio of the actual air volume to the designed air volume, and transmits the ratio to the centralized controller; and the display module is used for displaying the ratio of the actual air volume of the pipeline to the designed air volume. The air volume ratio of the branch pipeline is calculated through the air volume meters on the branch pipelines and is transmitted to the centralized controller, the centralized controller processes and analyzes, the regulating valves of the branch pipelines are controlled to regulate the air volume of the branch pipelines, the air volume ratio of the pipelines meets the requirement, and then the wind power of the centralized air-conditioning wind system is balanced.
Description
Technical Field
The utility model relates to an air conditioner adjusts the field, especially relates to a system is adjusted in central air conditioning wind-force balance.
Background
At present, a centralized air conditioning system is widely applied to various public buildings, the wind power of the centralized air conditioning system is unbalanced after the centralized air conditioning system is operated, the difference between the actual wind quantity of each pipeline and the designed wind quantity is large, the phenomena that the tail end of an air conditioner on the same floor is uneven in cold and heat and the temperature gradient of different floors is large are caused, and the conventional manual adjusting mode which is commonly used at present is time-consuming and labor-consuming to adjust.
Anemometers have been widely used in the fields of industrial production, energy metering, environmental protection, and the like. With the increasing attention of people to building energy conservation awareness and environmental comfort, the wind power balance of a wind system of a centralized air conditioner is also concerned more and more. The wind power balance adjustment is moderate, the air volume ratio of the pipeline is an important parameter for wind power balance adjustment, and an anemometer/air volume cover is commonly used for measurement.
In the field of buildings, parameters displayed by an anemometer/air volume cover on an air pipe of a centralized air-conditioning air system are generally current air speed/air volume, and no anemometer capable of displaying a real-time air volume ratio (actual air volume of a pipeline/designed air volume of the pipeline) exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a wind balance adjustment system for a central air conditioner, which can calculate the air volume ratio of a pipeline and adjust the adjusting valve of the pipeline, so as to balance the wind of the wind system of the central air conditioner.
In order to realize the above purpose, the utility model discloses a technical scheme:
a centralized air conditioner wind power balance adjustment system comprises a wind meter, a regulating valve and a centralized controller;
the air gauge is arranged at the air outlet of each branch of the wind power system of the central air conditioner and on a main air pipe connected with the fan; the regulating valve is arranged on a pipeline of each branch of the wind power system of the centralized air conditioner, and the air gauge and the regulating valve are connected with the centralized controller;
the air gauge includes:
the key module is used for inputting the design air volume of the pipeline;
the processor is connected with the key module, receives an actual wind speed signal of the pipeline, converts the actual wind speed signal into an actual wind volume, calculates the ratio of the actual wind volume to the designed wind volume, and transmits the ratio to the centralized controller;
and the display module is connected with the processor and displays the ratio of the actual air volume of the pipeline to the designed air volume.
Furthermore, the air gauge also comprises a power module, a data storage module, an alarm module, a wireless communication module and a signal conversion module which are respectively connected with the processor.
Furthermore, the air gauge comprises a host and a detection assembly which are arranged in a split mode, and the key module, the processor, the display module, the power supply module, the data storage module, the alarm module, the wireless communication module and the signal conversion module are all installed in the host.
Further, the detection assembly comprises a detection rod and a probe installed at the front end of the detection rod; and a heating rod and a thermocouple are arranged in the probe, and the heating rod and the thermocouple are connected with the host through lines.
Further, a wind direction indicator is arranged beside the probe.
Further, the probe cover is provided with an outer cover.
Further, the rear end of the detection rod is provided with a handheld shell, and the outer wall of the handheld shell is provided with a baffle along the circumferential direction.
Further, the regulating valve is an automatic integral regulating valve.
The utility model has the advantages that:
the utility model provides a balanced system of adjusting of central air conditioning wind-force calculates the amount of wind ratio of this branch road pipeline through the anemometer on each branch road to transmit to centralized control ware, centralized control ware processing analysis, the amount of wind of each branch road pipeline is adjusted to the governing valve of each branch road pipeline of control, makes the amount of wind ratio of pipeline reach the requirement, and then makes the balanced wind-force of central air conditioning wind system.
The utility model provides a wind meter can show and transmit the amount of wind ratio of air conditioner air system pipeline, has solved the problem that present air conditioner air system pipeline wind meter can not show the amount of wind ratio, for the balanced basic condition that adjusts of concentrated air conditioner air system wind-force, saves the loaded down with trivial details process that artifical field survey and calculation amount of wind ratio simultaneously.
The utility model provides a wind meter, the heating rod heats the probe, when being surveyed the circulation of air and passing through the probe, thermocouple test probe's temperature variation, and change signal transmission to signal conversion module conversion, convert the distinguishable signal of treater into, the amount of wind ratio of pipeline is calculated to the treater, and control display module shows the amount of wind ratio, treater control wireless communication module is with amount of wind ratio information transmission to centralized control ware, so that the amount of wind of centralized control ware control governing valve governing pipeline, and adapt the ratio of the actual amount of wind of personnel knowing the tuber pipe fast and the design amount of wind.
Drawings
Fig. 1 is a control schematic diagram of the present invention;
FIG. 2 is a schematic view of the wind meter and the regulating valve of the present invention installed in the pipeline of the wind power system of the central air conditioner;
FIG. 3 is a schematic view of the wind meter of the present invention;
fig. 4 is a schematic view of the air gauge main unit of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 3;
in the figure: 1. a wind meter; 10. a host; 101. a key module; 102. a processor; 103. a display module; 104. a power supply module; 105. a data storage module; 106. an alarm module; 107. a wireless communication module; 108. a signal conversion module; 11. a detection component; 111. a probe rod; 112. a probe; 113. a heating rod; 114. a thermocouple; 115. a wind direction indicator; 116. A housing; 117. a hand-held housing; 118. a baffle plate; 2. adjusting a valve; 3. and a centralized controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further explained with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A wind balance adjustment system of a centralized air conditioner is shown in figures 1-4 and comprises a wind meter 1, a regulating valve 2 and a centralized controller 3;
the air gauge 1 is arranged at an air outlet of each branch of the wind power system of the central air conditioner and on a main air pipe connected with a fan; the regulating valve 2 is arranged on a pipeline of each branch of the wind power system of the centralized air conditioner, and the anemometer 1 and the regulating valve 2 are both connected with the centralized controller 3;
the air gauge 1 includes: the key module 101 is used for inputting the design air volume of the pipeline; the processor 102 is connected with the key module 101, receives an actual air speed signal of a pipeline, converts the actual air speed signal into an actual air volume, calculates a ratio of the actual air volume to a designed air volume, and transmits the ratio to the centralized controller 3; and the display module 103 is connected with the processor 102 and displays the ratio of the actual air volume of the pipeline to the designed air volume.
In this embodiment, the air volume ratio of the branch pipeline is calculated through the air volume meter 1 on each branch pipeline and is transmitted to the centralized controller 3, the centralized controller 3 processes and analyzes, and the regulating valves 2 of each branch pipeline are controlled to regulate the air volume of each branch pipeline, so that the air volume ratio of the pipeline meets the requirement, and further the wind power of the centralized air-conditioning wind system is balanced.
The anemometer/air volume cover in the prior art cannot display the real-time air volume ratio, and needs to be obtained through manual subsequent calculation, so that the adjustment process is complicated for adjustment personnel of the centralized air-conditioning air system, the functions of real-time calculation and air volume ratio display are added, the complicated process of manual field measurement and air volume ratio calculation is omitted, and meanwhile, a basis is provided for the processing and analysis of the centralized controller 3.
The key module 101 is used for inputting relevant information, such as design air volume information of a pipeline, start and stop of an air gauge and the like; the processor 102 is a calculation control center of the air gauge, receives an actual air speed signal of a pipeline, converts the actual air speed signal into an actual air volume of the pipeline, and then calculates a ratio of the actual air volume to a designed air volume, namely an air volume ratio; the display module 103 is used for displaying relevant information of the air gauge, such as air volume ratio.
The processor 102 may be a conventional existing technology, such as a single chip microcomputer, and is embedded with a conventional calculation control program, and is innovatively embedded with a calculation program for calculating a ratio of an actual air volume to a designed air volume to obtain an air volume ratio. The integrated controller 3 is a control center of the system, receives the air volume ratio information uploaded by the air volume meter 1, performs comprehensive processing and analysis, controls the regulating valve 2 on the pipeline to regulate the air volume ratio to meet the requirement, can also be the prior art, implants a conventional calculation control program, and controls the operation of an adjustment system.
As an optimized solution of the present embodiment, as shown in fig. 4, the wind meter 1 further includes a power module 104, a data storage module 105, an alarm module 106, a wireless communication module 107, and a signal conversion module 108, which are respectively connected to the processor 102.
The power supply module 104 is used for supplying power to the air gauge; the data storage module 105 is used for storing data; the alarm module 106 is used for alarming when the air gauge is abnormal; the wireless communication module 107 is used for wireless communication of the air gauge; the signal conversion module 108 is configured to convert the received signal into a signal recognizable by the processor 102. The power module 104, the data storage module 105, the alarm module 106, the wireless communication module 107 and the signal conversion module 108 can be conventional options in the prior art, for example, a certain type of the components in the prior art are selected for assembly.
The signal conversion module 108 may include an amplifying circuit, a filtering circuit, and an analog-to-digital conversion circuit, and the amplifying circuit, the filtering circuit, and the analog-to-digital conversion circuit may sequentially amplify, filter, and perform analog-to-digital conversion on the sensing signal output by the thermocouple, so as to improve the accuracy and identifiability of the signal, facilitate improvement of the accuracy of the detection result, and improve the identification of the processor 102.
As an optimized solution of this embodiment, as shown in fig. 3 and 4, the air gauge 1 includes a main machine 10 and a detection assembly 11 which are separately arranged, and a key module 101, a processor 102, a display module 103, a power module 104, a data storage module 105, an alarm module 106, a wireless communication module 107 and a signal conversion module 108 are all installed in the main machine 10.
As a preferred embodiment, as shown in fig. 5, the detecting assembly 11 includes a detecting rod 111 and a probe 112 mounted at the front end of the detecting rod 111; the probe 112 is provided with a heating rod 113 and a thermocouple 114 inside, and the heating rod 113 and the thermocouple 114 are connected with the main machine 10 through lines.
The probe rod 111 is used for extending into the pipeline to measure the wind speed, the probe 112 is used for detecting the wind speed, the heating rod 113 is used for heating the probe 112, and the thermocouple 114 is used for detecting the temperature change of the probe. The principle of the above-mentioned components is similar to that of a thermal ball type electric anemometer, and when the air flow passes through the probe 112, the potential difference between the hot end and the cold end of the thermocouple 114 changes, and the wind speed of the pipeline can be determined by measuring the potential.
As an optimized solution of this embodiment, as shown in fig. 5, a wind direction indicator 115 is disposed beside the probe 112 for directly facing the wind direction during measurement, so as to reduce the measurement error and improve the measurement accuracy.
As a preferred embodiment of the present invention, as shown in fig. 5, the probe 112 is covered with a cover 116 to protect the front end of the probe rod 111 when not in use.
As an optimized solution of the present embodiment, as shown in fig. 3, a handheld housing 117 is disposed at the rear end of the detection rod 111, and a baffle 118 is disposed on an outer wall of the handheld housing 117 along a circumferential direction, so as to facilitate an adjustment person to take and place the detection assembly 11.
As an optimization of the present embodiment, the regulating valve 2 is an automatic integral regulating valve.
For better understanding, the utility model discloses, following is to the theory of operation of the utility model make a complete description:
in use, the detection assembly 11 is installed on a pipeline to be detected and connected with the host computer 10. The design air volume of the pipeline is input through the key module 101.
On a certain measured pipeline of the air-conditioning air system, the heating rod 113 heats the probe 112, when the air flow in the measured pipeline passes through the probe 112, the potential difference between the hot end and the cold end of the thermocouple 114 changes, and the signal with the changed potential difference is transmitted to the signal conversion module 108 through a line, the signal conversion module 108 performs amplification, filtering and analog-to-digital conversion processing on the signal, and then the signal is transmitted to the processor 102, the processor 102 converts the signal into an actual air speed signal and converts the actual air speed signal into the actual air volume of the pipeline, the ratio of the actual air volume to the designed air volume is calculated, and the processor 102 controls the display module 103 to display the ratio (namely the air volume ratio) of the actual air volume of the pipeline to.
Meanwhile, the processor 102 transmits the calculated air volume ratio information to the centralized controller 3 through the wireless communication module 107, the centralized controller 3 performs comprehensive processing and analysis to control the regulating valve 2 of the pipeline to regulate the air speed, the air volume ratio information is continuously transmitted through the air gauge 1, and finally the air volume ratio of the pipeline is regulated through the regulating valve 2 to meet the requirement.
The air volume ratio information of each pipeline air volume meter 1 is received through the integrated controller 3, and the regulating valve 2 of the pipeline is controlled to regulate, so that the air volume ratio of each pipeline meets the requirement, and further, the wind power of the centralized air-conditioning air system is balanced.
Example 2
An automatic wind balance adjustment method for a central air conditioning system is shown in fig. 2, and in the embodiment, the adjustment method is used for adjusting a three-stage pipeline mechanism.
The first-stage pipeline mechanism is a first pipeline directly connected with a fan of the air conditioning system, namely a main air pipe, and the main air pipe is provided with an adjusting valve 1 and an air gauge 1; the second-stage pipeline mechanism is three second pipelines branched from the first pipeline, and the three second pipelines are respectively provided with an adjusting valve 2, an adjusting valve 3 and an adjusting valve 4; the third-stage pipeline mechanism is three third pipelines branched by each second pipeline, and totally comprises nine pipelines, wherein the nine third pipelines are sequentially provided with an adjusting valve 21, an adjusting valve 22, an adjusting valve 23, an adjusting valve 31, an adjusting valve 32, an adjusting valve 33, an adjusting valve 41, an adjusting valve 42 and an adjusting valve 43, and air outlets at the tail ends of the nine third pipelines are sequentially provided with an air gauge 21, an air gauge 22, an air gauge 23, an air gauge 31, an air gauge 32, an air gauge 33, an air gauge 41, an air gauge 42 and an air gauge 43. The air gauge and the regulating valve are both connected with the integrated controller, and the integrated controller receives the uploaded information of the air gauge and controls the operation of the regulating valve.
In the three-stage pipeline mechanism of the air conditioning air system in fig. 2, the pipeline mechanisms are sequentially far from the fan from left to right and are sequentially far from the fan from top to bottom.
And (3) counting the real-time air volume ratio of all air volume meters in the air conditioning air system by the centralized controller, and starting adaptation when the actual air volume of 10% of the air volume meters exceeds +/-10% of the designed air volume. Meanwhile, the integrated controller sends a control command to the automatic integral regulating valve, and all valves of the regulating valve are fully opened for regulation, and the specific adjustment method comprises the following steps:
1. the centralized controller selects the pipeline which is farthest away from the fan, namely the pipeline where the regulating valve 43 is located;
2. in the branch duct mechanism where the duct is located (i.e. the three lower-level ducts of the duct where the regulating valve 4 is located), the air volume ratio of the three ducts is regulated as follows:
21. the centralized controller selects the pipeline with the air inlet with the minimum air volume ratio as a reference air inlet (assuming that the air volume ratio of the pipeline with the regulating valve 41 is minimum);
22. in the pipeline where the regulating valve 42 and the regulating valve 43 are located, the centralized controller controls the regulating valve of the pipeline to regulate the air volume of the two pipelines;
23. when the air volume ratio of the air volume meter 42 to the air volume meter 43 is equal to the air volume meter 41, stopping the adjustment;
3. in the three subordinate pipelines where the regulating valve 3 is located, the air volume ratio of the three pipelines is regulated as follows:
31. the centralized controller selects the pipeline with the air inlet with the minimum air volume ratio as a reference air inlet (assuming that the air volume ratio of the pipeline with the regulating valve 31 is minimum);
32. in the pipeline where the regulating valve 32 and the regulating valve 33 are located, the centralized controller controls the regulating valve of the pipeline to regulate the air volume of the two pipelines;
33. when the air volume ratio of the air volume meter 32 and the air volume meter 33 is equal to the air volume meter 31, the adjustment is stopped.
4. The air volume ratio of the three lower-level pipelines in which the regulating valve 2 is positioned is regulated by the same method as that of the lower-level pipelines of the regulating valves 3 and 4.
5. In the pipeline where the regulating valve 3 and the regulating valve 4 are located, the centralized controller controls the regulating valve 3 and the regulating valve 4 to enable the air volume ratio of the air volume meter 31 to the air volume meter 41 to be equal;
6. in the pipeline where the regulating valve 2 and the regulating valve 3 are located, the centralized controller controls the regulating valve 2 and the regulating valve 3 to enable the air volume ratio of the air volume meter 21 to the air volume meter 31 to be equal;
7. and the centralized controller selects the air flow meter 1 of the total air pipe and controls the regulating valve 1, and when the actual air flow of the air flow meter 1 is within +/-10% of the designed air flow, the adjustment is finished.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A wind power balance adjustment system of a centralized air conditioner is characterized by comprising a wind meter (1), a regulating valve (2) and a centralized controller (3);
the air gauge (1) is arranged at an air outlet of each branch of the wind power system of the central air conditioner and on a main air pipe connected with a fan; the regulating valve (2) is installed on a pipeline of each branch of the wind power system of the centralized air conditioner, and the anemometer (1) and the regulating valve (2) are both connected with the centralized controller (3);
the air gauge (1) comprises:
the key module (101) is used for inputting the design air volume of the pipeline;
the processor (102) is connected with the key module (101), receives an actual air speed signal of a pipeline, converts the actual air speed signal into an actual air volume, calculates a ratio of the actual air volume to a designed air volume, and transmits the ratio to the centralized controller (3);
and the display module (103) is connected with the processor (102) and displays the ratio of the actual air volume of the pipeline to the designed air volume.
2. The central air-conditioning wind balance adaptation system according to claim 1, wherein the wind meter (1) further comprises a power module (104), a data storage module (105), an alarm module (106), a wireless communication module (107) and a signal conversion module (108) respectively connected to the processor (102).
3. The centralized air conditioner wind power balance adapting system according to claim 2, wherein the wind meter (1) comprises a host (10) and a detection component (11) which are separately arranged, and the key module (101), the processor (102), the display module (103), the power module (104), the data storage module (105), the alarm module (106), the wireless communication module (107) and the signal conversion module (108) are all installed in the host (10).
4. The central air-conditioning wind balance adaptation system according to claim 3, wherein the detection assembly (11) comprises a probe rod (111) and a probe (112) mounted at a front end of the probe rod (111); a heating rod (113) and a thermocouple (114) are arranged in the probe (112), and the heating rod (113) and the thermocouple (114) are connected with the host (10) through lines.
5. The system for wind balance adaptation of central air conditioners according to claim 4, wherein a wind direction indicator (115) is provided beside the probe (112).
6. The system for wind balance adaptation of central air conditioners according to claim 4, wherein the probe (112) is housed with a housing (116).
7. The centralized air conditioner wind balance adaptation system according to claim 4, wherein the rear end of the detection rod (111) is provided with a handheld housing (117), and the outer wall of the handheld housing (117) is circumferentially provided with a baffle (118).
8. The central air-conditioning wind balance adaptation system according to claim 1, wherein the regulating valve (2) is an auto-integral regulating valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021578529.9U CN213178765U (en) | 2020-08-03 | 2020-08-03 | Wind power balance adjustment system of central air conditioner |
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| CN202021578529.9U CN213178765U (en) | 2020-08-03 | 2020-08-03 | Wind power balance adjustment system of central air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322229A (en) * | 2022-01-06 | 2022-04-12 | 杭州中联筑境建筑设计有限公司 | Supporting air conditioning system that uses of combined heat and power generation |
| CN115264716A (en) * | 2022-07-27 | 2022-11-01 | 成都格力新晖医疗装备有限公司 | Ventilation system and biosafety laboratory |
-
2020
- 2020-08-03 CN CN202021578529.9U patent/CN213178765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322229A (en) * | 2022-01-06 | 2022-04-12 | 杭州中联筑境建筑设计有限公司 | Supporting air conditioning system that uses of combined heat and power generation |
| CN115264716A (en) * | 2022-07-27 | 2022-11-01 | 成都格力新晖医疗装备有限公司 | Ventilation system and biosafety laboratory |
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